{"dataVersion":"44272244696ae387","mode":"crossref","family":"resistor","candidates":[{"mpn":"1-1623746-5","manufacturer":"TE Connectivity","_key":"TE Connectivity␟1-1623746-5","direction":"equivalent","footprint":"unknown","grade":"minor_review","_height_fit":"unknown","notes":["resistor technology differs: metalOxide -> wirewound — a different construction class, with different TCR, noise, long-term stability and pulse behaviour; not a drop-in where the original's construction was chosen for them","power rating not comparable at the original's rating temperature: the original is rated 3 W at 70 degC, and the substitute's record states neither the temperature its rating applies at nor a derating curve — confirm the substitute's derating from its datasheet","the original states a TCR of +/-200 ppm/K; the substitute's record states none — its drift over temperature is unknown; confirm it from the datasheet","the original's maximum working voltage is 300 V; the substitute's record states none — confirm it from the datasheet","the original states its operating range to -55 degC; the substitute's record states no minimum operating temperature — confirm it from the datasheet","the original states its operating range to +250 degC; the substitute's record states no maximum operating temperature — confirm it from the datasheet","mechanical dimensions unavailable for the substitute — footprint fit could not be verified; confirm it fits the original's land pattern","the substitute's record states no height (the original is 25 mm tall), so vertical clearance could not be verified; confirm it from the datasheet"],"params":[{"name":"value","verdict":"pass"},{"name":"technology","verdict":"warn"},{"name":"power_rating","verdict":"unverified"},{"name":"tolerance_pct","verdict":"pass"},{"name":"tcr","verdict":"unverified"},{"name":"temp_min_C","verdict":"unverified"},{"name":"temp_max_C","verdict":"unverified"},{"name":"max_voltage_V","verdict":"unverified"},{"name":"footprint","verdict":"unverified"},{"name":"height","verdict":"unverified"}],"penalty":3,"status":"partial","row":{"caseCode":"Axial","current_sense":false,"derating_amplitude":null,"derating_temperature":null,"family":"CGS","heightM":null,"internal_connection":"","is_production":true,"lengthM":null,"lineno":155170,"manufacturer":"TE Connectivity","max_voltage":null,"mpn":"1-1623746-5","number_of_elements":null,"power_rating":3,"power_rating_temperature":null,"pulse_withstanding":false,"resistance":1.5,"srcLength":823,"srcOffset":227929378,"tcr":null,"technology":"wirewound","temp_max_c":null,"temp_min_c":null,"tolerance":0.05,"widthM":null},"specs":{"mpn":"1-1623746-5","length_m":null,"width_m":null,"height_m":null,"case_code":"Axial","mount":"","lead_pitch_m":null,"is_production":true,"provenance_retracted":false,"retracted_fields":[],"retraction_reason":"","box_axes_ambiguous":false,"value_si":1.5,"power_rating":3,"tolerance_pct":5,"family":"CGS","power_rating_temperature":null,"derating_temperature":null,"derating_amplitude":null,"technology":"wirewound","tcr":null,"temp_min_C":null,"temp_max_C":null,"current_sense":false,"pulse_withstanding":false,"max_voltage_V":null,"number_of_elements":null,"internal_connection":null},"permalink":"https://kelvin.openconverters.com/part/resistor/1-1623746-5?manufacturer=TE%20Connectivity","_dataVersion":"44272244696ae387"},{"mpn":"1-1623771-6","manufacturer":"TE Connectivity","_key":"TE Connectivity␟1-1623771-6","direction":"equivalent","footprint":"unknown","grade":"minor_review","_height_fit":"unknown","notes":["resistor technology differs: metalOxide -> wirewound — a different construction class, with different TCR, noise, long-term stability and pulse behaviour; not a drop-in where the original's construction was chosen for them","power rating not comparable at the original's rating temperature: the original is rated 3 W at 70 degC, and the substitute's record states neither the temperature its rating applies at nor a derating curve — confirm the substitute's derating from its datasheet","the original's maximum working voltage is 300 V; the substitute's record states none — confirm it from the datasheet","the original states its operating range to -55 degC; the substitute's record states no minimum operating temperature — confirm it from the datasheet","the original states its operating range to +250 degC; the substitute's record states no maximum operating temperature — confirm it from the datasheet","mechanical dimensions unavailable for the substitute — footprint fit could not be verified; confirm it fits the original's land pattern","the substitute's record states no height (the original is 25 mm tall), so vertical clearance could not be verified; confirm it from the datasheet"],"params":[{"name":"value","verdict":"pass"},{"name":"technology","verdict":"warn"},{"name":"power_rating","verdict":"unverified"},{"name":"tolerance_pct","verdict":"pass"},{"name":"tcr","verdict":"pass"},{"name":"temp_min_C","verdict":"unverified"},{"name":"temp_max_C","verdict":"unverified"},{"name":"max_voltage_V","verdict":"unverified"},{"name":"footprint","verdict":"unverified"},{"name":"height","verdict":"unverified"}],"penalty":3,"status":"partial","row":{"caseCode":"Axial","current_sense":false,"derating_amplitude":null,"derating_temperature":null,"family":"CGS","heightM":null,"internal_connection":"","is_production":true,"lengthM":null,"lineno":155351,"manufacturer":"TE Connectivity","max_voltage":null,"mpn":"1-1623771-6","number_of_elements":null,"power_rating":3,"power_rating_temperature":null,"pulse_withstanding":false,"resistance":1.5,"srcLength":893,"srcOffset":228082603,"tcr":200,"technology":"wirewound","temp_max_c":null,"temp_min_c":null,"tolerance":0.05,"widthM":null},"specs":{"mpn":"1-1623771-6","length_m":null,"width_m":null,"height_m":null,"case_code":"Axial","mount":"","lead_pitch_m":null,"is_production":true,"provenance_retracted":false,"retracted_fields":[],"retraction_reason":"","box_axes_ambiguous":false,"value_si":1.5,"power_rating":3,"tolerance_pct":5,"family":"CGS","power_rating_temperature":null,"derating_temperature":null,"derating_amplitude":null,"technology":"wirewound","tcr":200,"temp_min_C":null,"temp_max_C":null,"current_sense":false,"pulse_withstanding":false,"max_voltage_V":null,"number_of_elements":null,"internal_connection":null},"permalink":"https://kelvin.openconverters.com/part/resistor/1-1623771-6?manufacturer=TE%20Connectivity","_dataVersion":"44272244696ae387"},{"mpn":"8-1623772-2","manufacturer":"TE Connectivity","_key":"TE Connectivity␟8-1623772-2","direction":"equivalent","footprint":"unknown","grade":"minor_review","_height_fit":"unknown","notes":["resistor technology differs: metalOxide -> wirewound — a different construction class, with different TCR, noise, long-term stability and pulse behaviour; not a drop-in where the original's construction was chosen for them","power rating not comparable at the original's rating temperature: the original is rated 3 W at 70 degC, and the substitute's record states neither the temperature its rating applies at nor a derating curve — confirm the substitute's derating from its datasheet","the original's maximum working voltage is 300 V; the substitute's record states none — confirm it from the datasheet","the original states its operating range to -55 degC; the substitute's record states no minimum operating temperature — confirm it from the datasheet","the original states its operating range to +250 degC; the substitute's record states no maximum operating temperature — confirm it from the datasheet","mechanical dimensions unavailable for the substitute — footprint fit could not be verified; confirm it fits the original's land pattern","the substitute's record states no height (the original is 25 mm tall), so vertical clearance could not be verified; confirm it from the datasheet"],"params":[{"name":"value","verdict":"pass"},{"name":"technology","verdict":"warn"},{"name":"power_rating","verdict":"unverified"},{"name":"tolerance_pct","verdict":"pass"},{"name":"tcr","verdict":"pass"},{"name":"temp_min_C","verdict":"unverified"},{"name":"temp_max_C","verdict":"unverified"},{"name":"max_voltage_V","verdict":"unverified"},{"name":"footprint","verdict":"unverified"},{"name":"height","verdict":"unverified"}],"penalty":3,"status":"partial","row":{"caseCode":"Axial","current_sense":false,"derating_amplitude":null,"derating_temperature":null,"family":"CGS","heightM":null,"internal_connection":"","is_production":true,"lengthM":null,"lineno":160795,"manufacturer":"TE Connectivity","max_voltage":null,"mpn":"8-1623772-2","number_of_elements":null,"power_rating":7,"power_rating_temperature":null,"pulse_withstanding":false,"resistance":1.5,"srcLength":893,"srcOffset":232308765,"tcr":200,"technology":"wirewound","temp_max_c":null,"temp_min_c":null,"tolerance":0.05,"widthM":null},"specs":{"mpn":"8-1623772-2","length_m":null,"width_m":null,"height_m":null,"case_code":"Axial","mount":"","lead_pitch_m":null,"is_production":true,"provenance_retracted":false,"retracted_fields":[],"retraction_reason":"","box_axes_ambiguous":false,"value_si":1.5,"power_rating":7,"tolerance_pct":5,"family":"CGS","power_rating_temperature":null,"derating_temperature":null,"derating_amplitude":null,"technology":"wirewound","tcr":200,"temp_min_C":null,"temp_max_C":null,"current_sense":false,"pulse_withstanding":false,"max_voltage_V":null,"number_of_elements":null,"internal_connection":null},"permalink":"https://kelvin.openconverters.com/part/resistor/8-1623772-2?manufacturer=TE%20Connectivity","_dataVersion":"44272244696ae387"},{"mpn":"1-1623773-4","manufacturer":"TE Connectivity","_key":"TE Connectivity␟1-1623773-4","direction":"upgrade","footprint":"unknown","grade":"minor_review","_height_fit":"unknown","notes":["resistor technology differs: metalOxide -> wirewound — a different construction class, with different TCR, noise, long-term stability and pulse behaviour; not a drop-in where the original's construction was chosen for them","power rating not comparable at the original's rating temperature: the original is rated 3 W at 70 degC, and the substitute's record states neither the temperature its rating applies at nor a derating curve — confirm the substitute's derating from its datasheet","the original's maximum working voltage is 300 V; the substitute's record states none — confirm it from the datasheet","the original states its operating range to -55 degC; the substitute's record states no minimum operating temperature — confirm it from the datasheet","the original states its operating range to +250 degC; the substitute's record states no maximum operating temperature — confirm it from the datasheet","mechanical dimensions unavailable for the substitute — footprint fit could not be verified; confirm it fits the original's land pattern","the substitute's record states no height (the original is 25 mm tall), so vertical clearance could not be verified; confirm it from the datasheet"],"params":[{"name":"value","verdict":"pass"},{"name":"technology","verdict":"warn"},{"name":"power_rating","verdict":"unverified"},{"name":"tolerance_pct","verdict":"pass"},{"name":"tcr","verdict":"pass"},{"name":"temp_min_C","verdict":"unverified"},{"name":"temp_max_C","verdict":"unverified"},{"name":"max_voltage_V","verdict":"unverified"},{"name":"footprint","verdict":"unverified"},{"name":"height","verdict":"unverified"}],"penalty":3.0536155547055515,"status":"partial","row":{"caseCode":"Axial","current_sense":false,"derating_amplitude":null,"derating_temperature":null,"family":"CGS","heightM":null,"internal_connection":"","is_production":true,"lengthM":null,"lineno":155230,"manufacturer":"TE Connectivity","max_voltage":null,"mpn":"1-1623773-4","number_of_elements":null,"power_rating":10,"power_rating_temperature":null,"pulse_withstanding":false,"resistance":1.5,"srcLength":893,"srcOffset":227981119,"tcr":90,"technology":"wirewound","temp_max_c":null,"temp_min_c":null,"tolerance":0.05,"widthM":null},"specs":{"mpn":"1-1623773-4","length_m":null,"width_m":null,"height_m":null,"case_code":"Axial","mount":"","lead_pitch_m":null,"is_production":true,"provenance_retracted":false,"retracted_fields":[],"retraction_reason":"","box_axes_ambiguous":false,"value_si":1.5,"power_rating":10,"tolerance_pct":5,"family":"CGS","power_rating_temperature":null,"derating_temperature":null,"derating_amplitude":null,"technology":"wirewound","tcr":90,"temp_min_C":null,"temp_max_C":null,"current_sense":false,"pulse_withstanding":false,"max_voltage_V":null,"number_of_elements":null,"internal_connection":null},"permalink":"https://kelvin.openconverters.com/part/resistor/1-1623773-4?manufacturer=TE%20Connectivity","_dataVersion":"44272244696ae387"},{"mpn":"2-1623774-3","manufacturer":"TE Connectivity","_key":"TE Connectivity␟2-1623774-3","direction":"upgrade","footprint":"unknown","grade":"minor_review","_height_fit":"unknown","notes":["resistor technology differs: metalOxide -> wirewound — a different construction class, with different TCR, noise, long-term stability and pulse behaviour; not a drop-in where the original's construction was chosen for them","power rating not comparable at the original's rating temperature: the original is rated 3 W at 70 degC, and the substitute's record states neither the temperature its rating applies at nor a derating curve — confirm the substitute's derating from its datasheet","the original's maximum working voltage is 300 V; the substitute's record states none — confirm it from the datasheet","the original states its operating range to -55 degC; the substitute's record states no minimum operating temperature — confirm it from the datasheet","the original states its operating range to +250 degC; the substitute's record states no maximum operating temperature — confirm it from the datasheet","mechanical dimensions unavailable for the substitute — footprint fit could not be verified; confirm it fits the original's land pattern","the substitute's record states no height (the original is 25 mm tall), so vertical clearance could not be verified; confirm it from the datasheet"],"params":[{"name":"value","verdict":"pass"},{"name":"technology","verdict":"warn"},{"name":"power_rating","verdict":"unverified"},{"name":"tolerance_pct","verdict":"pass"},{"name":"tcr","verdict":"pass"},{"name":"temp_min_C","verdict":"unverified"},{"name":"temp_max_C","verdict":"unverified"},{"name":"max_voltage_V","verdict":"unverified"},{"name":"footprint","verdict":"unverified"},{"name":"height","verdict":"unverified"}],"penalty":3.0536155547055515,"status":"partial","row":{"caseCode":"Axial","current_sense":false,"derating_amplitude":null,"derating_temperature":null,"family":"CGS","heightM":null,"internal_connection":"","is_production":true,"lengthM":null,"lineno":160806,"manufacturer":"TE Connectivity","max_voltage":null,"mpn":"2-1623774-3","number_of_elements":null,"power_rating":14,"power_rating_temperature":null,"pulse_withstanding":false,"resistance":1.5,"srcLength":893,"srcOffset":232318603,"tcr":90,"technology":"wirewound","temp_max_c":null,"temp_min_c":null,"tolerance":0.05,"widthM":null},"specs":{"mpn":"2-1623774-3","length_m":null,"width_m":null,"height_m":null,"case_code":"Axial","mount":"","lead_pitch_m":null,"is_production":true,"provenance_retracted":false,"retracted_fields":[],"retraction_reason":"","box_axes_ambiguous":false,"value_si":1.5,"power_rating":14,"tolerance_pct":5,"family":"CGS","power_rating_temperature":null,"derating_temperature":null,"derating_amplitude":null,"technology":"wirewound","tcr":90,"temp_min_C":null,"temp_max_C":null,"current_sense":false,"pulse_withstanding":false,"max_voltage_V":null,"number_of_elements":null,"internal_connection":null},"permalink":"https://kelvin.openconverters.com/part/resistor/2-1623774-3?manufacturer=TE%20Connectivity","_dataVersion":"44272244696ae387"},{"mpn":"MFR3WSFTF73-1R5","manufacturer":"YAGEO","_key":"YAGEO␟MFR3WSFTF73-1R5","direction":"upgrade","footprint":"unknown","grade":"minor_review","_height_fit":"unknown","notes":["resistor technology differs: metalOxide -> thinFilm — a different construction class, with different TCR, noise, long-term stability and pulse behaviour; not a drop-in where the original's construction was chosen for them","the original states a TCR of +/-200 ppm/K; the substitute's record states none — its drift over temperature is unknown; confirm it from the datasheet","the original's maximum working voltage is 300 V; the substitute's record states none — confirm it from the datasheet","the original states its operating range to -55 degC; the substitute's record states no minimum operating temperature — confirm it from the datasheet","the original states its operating range to +250 degC; the substitute's record states no maximum operating temperature — confirm it from the datasheet","mount type not established (original: leaded, substitute: not stated) — confirm SMD vs through-hole from the datasheets","mechanical dimensions unavailable for the substitute — footprint fit could not be verified; confirm it fits the original's land pattern","the substitute's record states no height (the original is 25 mm tall), so vertical clearance could not be verified; confirm it from the datasheet","the substitute's record states no physical data at all (no case or package, no dimensions; its board attach is noted separately) — its size is unknown, so it ranks after parts of a known size; confirm the package from its datasheet before this swap"],"params":[{"name":"value","verdict":"pass"},{"name":"technology","verdict":"warn"},{"name":"power_rating","verdict":"pass"},{"name":"tolerance_pct","verdict":"pass"},{"name":"tcr","verdict":"unverified"},{"name":"temp_min_C","verdict":"unverified"},{"name":"temp_max_C","verdict":"unverified"},{"name":"max_voltage_V","verdict":"unverified"},{"name":"mounting","verdict":"unverified"},{"name":"footprint","verdict":"unverified"},{"name":"height","verdict":"unverified"}],"penalty":3.3261181744707713,"status":"partial","row":{"current_sense":false,"derating_amplitude":[1,1,0],"derating_temperature":[-55,70,155],"family":"MFR","heightM":null,"internal_connection":"","is_production":true,"lengthM":null,"lineno":12453,"manufacturer":"YAGEO","max_voltage":null,"mpn":"MFR3WSFTF73-1R5","number_of_elements":null,"power_rating":3,"power_rating_temperature":null,"pulse_withstanding":false,"resistance":1.5,"srcLength":1021,"srcOffset":17269360,"tcr":null,"technology":"thinFilm","temp_max_c":null,"temp_min_c":null,"tolerance":0.01,"widthM":null},"specs":{"mpn":"MFR3WSFTF73-1R5","length_m":null,"width_m":null,"height_m":null,"case_code":"","mount":"","lead_pitch_m":null,"is_production":true,"provenance_retracted":false,"retracted_fields":[],"retraction_reason":"","box_axes_ambiguous":false,"value_si":1.5,"power_rating":3,"tolerance_pct":1,"family":"MFR","power_rating_temperature":null,"derating_temperature":[-55,70,155],"derating_amplitude":[1,1,0],"technology":"thinFilm","tcr":null,"temp_min_C":null,"temp_max_C":null,"current_sense":false,"pulse_withstanding":false,"max_voltage_V":null,"number_of_elements":null,"internal_connection":null},"permalink":"https://kelvin.openconverters.com/part/resistor/MFR3WSFTF73-1R5?manufacturer=YAGEO","_dataVersion":"44272244696ae387"},{"mpn":"RWR74N1R50FMB12","manufacturer":"Vishay","_key":"Vishay␟RWR74N1R50FMB12","direction":"upgrade","footprint":"smaller","grade":"minor_review","_height_fit":"fits","notes":["resistor technology differs: metalOxide -> wirewound — a different construction class, with different TCR, noise, long-term stability and pulse behaviour; not a drop-in where the original's construction was chosen for them","power compared at the original's rating temperature (70 degC): the substitute's 5 W rating delivers 4 W there (from the substitute's derating curve) against the original's 3 W","the original's maximum working voltage is 300 V; the substitute's record states none — confirm it from the datasheet","mount type not established (original: leaded, substitute: not stated) — confirm SMD vs through-hole from the datasheets","smaller body than the original (22.23 x 7.92 mm vs 12.5 mm wide, length not stated) — the land pattern differs, so this is not a drop-in; it needs a new land pattern, verify the pads before substituting","substitute is not marked production status"],"params":[{"name":"value","verdict":"pass"},{"name":"technology","verdict":"warn"},{"name":"power_rating","verdict":"pass"},{"name":"tolerance_pct","verdict":"pass"},{"name":"tcr","verdict":"pass"},{"name":"temp_min_C","verdict":"pass"},{"name":"temp_max_C","verdict":"pass"},{"name":"max_voltage_V","verdict":"unverified"},{"name":"mounting","verdict":"unverified"},{"name":"footprint","verdict":"warn"},{"name":"height","verdict":"pass"},{"name":"lifecycle","verdict":"warn"}],"penalty":3.6789443770998584,"status":"partial","row":{"current_sense":false,"derating_amplitude":[1,1,0],"derating_temperature":[-60,25,250],"family":"RWR74","heightM":0.00792,"internal_connection":"","is_production":false,"lengthM":0.02223,"lineno":289444,"manufacturer":"Vishay","max_voltage":null,"mpn":"RWR74N1R50FMB12","number_of_elements":null,"power_rating":5,"power_rating_temperature":25,"pulse_withstanding":false,"resistance":1.5,"srcLength":1562,"srcOffset":436053593,"tcr":50,"technology":"wirewound","temp_max_c":250,"temp_min_c":-55,"tolerance":0.01,"widthM":0.00792},"specs":{"mpn":"RWR74N1R50FMB12","length_m":0.02223,"width_m":0.00792,"height_m":0.00792,"case_code":"","mount":"","lead_pitch_m":null,"is_production":false,"provenance_retracted":false,"retracted_fields":[],"retraction_reason":"","box_axes_ambiguous":false,"value_si":1.5,"power_rating":5,"tolerance_pct":1,"family":"RWR74","power_rating_temperature":25,"derating_temperature":[-60,25,250],"derating_amplitude":[1,1,0],"technology":"wirewound","tcr":50,"temp_min_C":-55,"temp_max_C":250,"current_sense":false,"pulse_withstanding":false,"max_voltage_V":null,"number_of_elements":null,"internal_connection":null},"permalink":"https://kelvin.openconverters.com/part/resistor/RWR74N1R50FMB12?manufacturer=Vishay","_dataVersion":"44272244696ae387"},{"mpn":"RWR74N1R50FMBSL","manufacturer":"Vishay","_key":"Vishay␟RWR74N1R50FMBSL","direction":"upgrade","footprint":"smaller","grade":"minor_review","_height_fit":"fits","notes":["resistor technology differs: metalOxide -> wirewound — a different construction class, with different TCR, noise, long-term stability and pulse behaviour; not a drop-in where the original's construction was chosen for them","power compared at the original's rating temperature (70 degC): the substitute's 5 W rating delivers 4 W there (from the substitute's derating curve) against the original's 3 W","the original's maximum working voltage is 300 V; the substitute's record states none — confirm it from the datasheet","mount type not established (original: leaded, substitute: not stated) — confirm SMD vs through-hole from the datasheets","smaller body than the original (22.23 x 7.92 mm vs 12.5 mm wide, length not stated) — the land pattern differs, so this is not a drop-in; it needs a new land pattern, verify the pads before substituting","substitute is not marked production status"],"params":[{"name":"value","verdict":"pass"},{"name":"technology","verdict":"warn"},{"name":"power_rating","verdict":"pass"},{"name":"tolerance_pct","verdict":"pass"},{"name":"tcr","verdict":"pass"},{"name":"temp_min_C","verdict":"pass"},{"name":"temp_max_C","verdict":"pass"},{"name":"max_voltage_V","verdict":"unverified"},{"name":"mounting","verdict":"unverified"},{"name":"footprint","verdict":"warn"},{"name":"height","verdict":"pass"},{"name":"lifecycle","verdict":"warn"}],"penalty":3.6789443770998584,"status":"partial","row":{"current_sense":false,"derating_amplitude":[1,1,0],"derating_temperature":[-60,25,250],"family":"RWR74","heightM":0.00792,"internal_connection":"","is_production":false,"lengthM":0.02223,"lineno":289445,"manufacturer":"Vishay","max_voltage":null,"mpn":"RWR74N1R50FMBSL","number_of_elements":null,"power_rating":5,"power_rating_temperature":25,"pulse_withstanding":false,"resistance":1.5,"srcLength":1562,"srcOffset":436055156,"tcr":50,"technology":"wirewound","temp_max_c":250,"temp_min_c":-55,"tolerance":0.01,"widthM":0.00792},"specs":{"mpn":"RWR74N1R50FMBSL","length_m":0.02223,"width_m":0.00792,"height_m":0.00792,"case_code":"","mount":"","lead_pitch_m":null,"is_production":false,"provenance_retracted":false,"retracted_fields":[],"retraction_reason":"","box_axes_ambiguous":false,"value_si":1.5,"power_rating":5,"tolerance_pct":1,"family":"RWR74","power_rating_temperature":25,"derating_temperature":[-60,25,250],"derating_amplitude":[1,1,0],"technology":"wirewound","tcr":50,"temp_min_C":-55,"temp_max_C":250,"current_sense":false,"pulse_withstanding":false,"max_voltage_V":null,"number_of_elements":null,"internal_connection":null},"permalink":"https://kelvin.openconverters.com/part/resistor/RWR74N1R50FMBSL?manufacturer=Vishay","_dataVersion":"44272244696ae387"},{"mpn":"RWR74N1R50FMRSL","manufacturer":"Vishay","_key":"Vishay␟RWR74N1R50FMRSL","direction":"upgrade","footprint":"smaller","grade":"minor_review","_height_fit":"fits","notes":["resistor technology differs: metalOxide -> wirewound — a different construction class, with different TCR, noise, long-term stability and pulse behaviour; not a drop-in where the original's construction was chosen for them","power compared at the original's rating temperature (70 degC): the substitute's 5 W rating delivers 4 W there (from the substitute's derating curve) against the original's 3 W","the original's maximum working voltage is 300 V; the substitute's record states none — confirm it from the datasheet","mount type not established (original: leaded, substitute: not stated) — confirm SMD vs through-hole from the datasheets","smaller body than the original (22.23 x 7.92 mm vs 12.5 mm wide, length not stated) — the land pattern differs, so this is not a drop-in; it needs a new land pattern, verify the pads before substituting","substitute is not marked production status"],"params":[{"name":"value","verdict":"pass"},{"name":"technology","verdict":"warn"},{"name":"power_rating","verdict":"pass"},{"name":"tolerance_pct","verdict":"pass"},{"name":"tcr","verdict":"pass"},{"name":"temp_min_C","verdict":"pass"},{"name":"temp_max_C","verdict":"pass"},{"name":"max_voltage_V","verdict":"unverified"},{"name":"mounting","verdict":"unverified"},{"name":"footprint","verdict":"warn"},{"name":"height","verdict":"pass"},{"name":"lifecycle","verdict":"warn"}],"penalty":3.6789443770998584,"status":"partial","row":{"current_sense":false,"derating_amplitude":[1,1,0],"derating_temperature":[-60,25,250],"family":"RWR74","heightM":0.00792,"internal_connection":"","is_production":false,"lengthM":0.02223,"lineno":289446,"manufacturer":"Vishay","max_voltage":null,"mpn":"RWR74N1R50FMRSL","number_of_elements":null,"power_rating":5,"power_rating_temperature":25,"pulse_withstanding":false,"resistance":1.5,"srcLength":1562,"srcOffset":436056719,"tcr":50,"technology":"wirewound","temp_max_c":250,"temp_min_c":-55,"tolerance":0.01,"widthM":0.00792},"specs":{"mpn":"RWR74N1R50FMRSL","length_m":0.02223,"width_m":0.00792,"height_m":0.00792,"case_code":"","mount":"","lead_pitch_m":null,"is_production":false,"provenance_retracted":false,"retracted_fields":[],"retraction_reason":"","box_axes_ambiguous":false,"value_si":1.5,"power_rating":5,"tolerance_pct":1,"family":"RWR74","power_rating_temperature":25,"derating_temperature":[-60,25,250],"derating_amplitude":[1,1,0],"technology":"wirewound","tcr":50,"temp_min_C":-55,"temp_max_C":250,"current_sense":false,"pulse_withstanding":false,"max_voltage_V":null,"number_of_elements":null,"internal_connection":null},"permalink":"https://kelvin.openconverters.com/part/resistor/RWR74N1R50FMRSL?manufacturer=Vishay","_dataVersion":"44272244696ae387"},{"mpn":"RWR74S1R50FMB12","manufacturer":"Vishay","_key":"Vishay␟RWR74S1R50FMB12","direction":"upgrade","footprint":"smaller","grade":"minor_review","_height_fit":"fits","notes":["resistor technology differs: metalOxide -> wirewound — a different construction class, with different TCR, noise, long-term stability and pulse behaviour; not a drop-in where the original's construction was chosen for them","power compared at the original's rating temperature (70 degC): the substitute's 5 W rating delivers 4 W there (from the substitute's derating curve) against the original's 3 W","the original's maximum working voltage is 300 V; the substitute's record states none — confirm it from the datasheet","mount type not established (original: leaded, substitute: not stated) — confirm SMD vs through-hole from the datasheets","smaller body than the original (22.23 x 7.92 mm vs 12.5 mm wide, length not stated) — the land pattern differs, so this is not a drop-in; it needs a new land pattern, verify the pads before substituting","substitute is not marked production status"],"params":[{"name":"value","verdict":"pass"},{"name":"technology","verdict":"warn"},{"name":"power_rating","verdict":"pass"},{"name":"tolerance_pct","verdict":"pass"},{"name":"tcr","verdict":"pass"},{"name":"temp_min_C","verdict":"pass"},{"name":"temp_max_C","verdict":"pass"},{"name":"max_voltage_V","verdict":"unverified"},{"name":"mounting","verdict":"unverified"},{"name":"footprint","verdict":"warn"},{"name":"height","verdict":"pass"},{"name":"lifecycle","verdict":"warn"}],"penalty":3.6789443770998584,"status":"partial","row":{"current_sense":false,"derating_amplitude":[1,1,0],"derating_temperature":[-60,25,250],"family":"RWR74","heightM":0.00792,"internal_connection":"","is_production":false,"lengthM":0.02223,"lineno":290139,"manufacturer":"Vishay","max_voltage":null,"mpn":"RWR74S1R50FMB12","number_of_elements":null,"power_rating":5,"power_rating_temperature":25,"pulse_withstanding":false,"resistance":1.5,"srcLength":1562,"srcOffset":437140579,"tcr":50,"technology":"wirewound","temp_max_c":250,"temp_min_c":-55,"tolerance":0.01,"widthM":0.00792},"specs":{"mpn":"RWR74S1R50FMB12","length_m":0.02223,"width_m":0.00792,"height_m":0.00792,"case_code":"","mount":"","lead_pitch_m":null,"is_production":false,"provenance_retracted":false,"retracted_fields":[],"retraction_reason":"","box_axes_ambiguous":false,"value_si":1.5,"power_rating":5,"tolerance_pct":1,"family":"RWR74","power_rating_temperature":25,"derating_temperature":[-60,25,250],"derating_amplitude":[1,1,0],"technology":"wirewound","tcr":50,"temp_min_C":-55,"temp_max_C":250,"current_sense":false,"pulse_withstanding":false,"max_voltage_V":null,"number_of_elements":null,"internal_connection":null},"permalink":"https://kelvin.openconverters.com/part/resistor/RWR74S1R50FMB12?manufacturer=Vishay","_dataVersion":"44272244696ae387"},{"mpn":"RWR74S1R50FRB12","manufacturer":"Vishay","_key":"Vishay␟RWR74S1R50FRB12","direction":"upgrade","footprint":"smaller","grade":"minor_review","_height_fit":"fits","notes":["resistor technology differs: metalOxide -> wirewound — a different construction class, with different TCR, noise, long-term stability and pulse behaviour; not a drop-in where the original's construction was chosen for them","power compared at the original's rating temperature (70 degC): the substitute's 5 W rating delivers 4 W there (from the substitute's derating curve) against the original's 3 W","the original's maximum working voltage is 300 V; the substitute's record states none — confirm it from the datasheet","mount type not established (original: leaded, substitute: not stated) — confirm SMD vs through-hole from the datasheets","smaller body than the original (22.23 x 7.92 mm vs 12.5 mm wide, length not stated) — the land pattern differs, so this is not a drop-in; it needs a new land pattern, verify the pads before substituting","substitute is not marked production status"],"params":[{"name":"value","verdict":"pass"},{"name":"technology","verdict":"warn"},{"name":"power_rating","verdict":"pass"},{"name":"tolerance_pct","verdict":"pass"},{"name":"tcr","verdict":"pass"},{"name":"temp_min_C","verdict":"pass"},{"name":"temp_max_C","verdict":"pass"},{"name":"max_voltage_V","verdict":"unverified"},{"name":"mounting","verdict":"unverified"},{"name":"footprint","verdict":"warn"},{"name":"height","verdict":"pass"},{"name":"lifecycle","verdict":"warn"}],"penalty":3.6789443770998584,"status":"partial","row":{"current_sense":false,"derating_amplitude":[1,1,0],"derating_temperature":[-60,25,250],"family":"RWR74","heightM":0.00792,"internal_connection":"","is_production":false,"lengthM":0.02223,"lineno":290140,"manufacturer":"Vishay","max_voltage":null,"mpn":"RWR74S1R50FRB12","number_of_elements":null,"power_rating":5,"power_rating_temperature":25,"pulse_withstanding":false,"resistance":1.5,"srcLength":1562,"srcOffset":437142142,"tcr":50,"technology":"wirewound","temp_max_c":250,"temp_min_c":-55,"tolerance":0.01,"widthM":0.00792},"specs":{"mpn":"RWR74S1R50FRB12","length_m":0.02223,"width_m":0.00792,"height_m":0.00792,"case_code":"","mount":"","lead_pitch_m":null,"is_production":false,"provenance_retracted":false,"retracted_fields":[],"retraction_reason":"","box_axes_ambiguous":false,"value_si":1.5,"power_rating":5,"tolerance_pct":1,"family":"RWR74","power_rating_temperature":25,"derating_temperature":[-60,25,250],"derating_amplitude":[1,1,0],"technology":"wirewound","tcr":50,"temp_min_C":-55,"temp_max_C":250,"current_sense":false,"pulse_withstanding":false,"max_voltage_V":null,"number_of_elements":null,"internal_connection":null},"permalink":"https://kelvin.openconverters.com/part/resistor/RWR74S1R50FRB12?manufacturer=Vishay","_dataVersion":"44272244696ae387"},{"mpn":"RWR74S1R50FRBSL","manufacturer":"Vishay","_key":"Vishay␟RWR74S1R50FRBSL","direction":"upgrade","footprint":"smaller","grade":"minor_review","_height_fit":"fits","notes":["resistor technology differs: metalOxide -> wirewound — a different construction class, with different TCR, noise, long-term stability and pulse behaviour; not a drop-in where the original's construction was chosen for them","power compared at the original's rating temperature (70 degC): the substitute's 5 W rating delivers 4 W there (from the substitute's derating curve) against the original's 3 W","the original's maximum working voltage is 300 V; the substitute's record states none — confirm it from the datasheet","mount type not established (original: leaded, substitute: not stated) — confirm SMD vs through-hole from the datasheets","smaller body than the original (22.23 x 7.92 mm vs 12.5 mm wide, length not stated) — the land pattern differs, so this is not a drop-in; it needs a new land pattern, verify the pads before substituting","substitute is not marked production status"],"params":[{"name":"value","verdict":"pass"},{"name":"technology","verdict":"warn"},{"name":"power_rating","verdict":"pass"},{"name":"tolerance_pct","verdict":"pass"},{"name":"tcr","verdict":"pass"},{"name":"temp_min_C","verdict":"pass"},{"name":"temp_max_C","verdict":"pass"},{"name":"max_voltage_V","verdict":"unverified"},{"name":"mounting","verdict":"unverified"},{"name":"footprint","verdict":"warn"},{"name":"height","verdict":"pass"},{"name":"lifecycle","verdict":"warn"}],"penalty":3.6789443770998584,"status":"partial","row":{"current_sense":false,"derating_amplitude":[1,1,0],"derating_temperature":[-60,25,250],"family":"RWR74","heightM":0.00792,"internal_connection":"","is_production":false,"lengthM":0.02223,"lineno":290141,"manufacturer":"Vishay","max_voltage":null,"mpn":"RWR74S1R50FRBSL","number_of_elements":null,"power_rating":5,"power_rating_temperature":25,"pulse_withstanding":false,"resistance":1.5,"srcLength":1562,"srcOffset":437143705,"tcr":50,"technology":"wirewound","temp_max_c":250,"temp_min_c":-55,"tolerance":0.01,"widthM":0.00792},"specs":{"mpn":"RWR74S1R50FRBSL","length_m":0.02223,"width_m":0.00792,"height_m":0.00792,"case_code":"","mount":"","lead_pitch_m":null,"is_production":false,"provenance_retracted":false,"retracted_fields":[],"retraction_reason":"","box_axes_ambiguous":false,"value_si":1.5,"power_rating":5,"tolerance_pct":1,"family":"RWR74","power_rating_temperature":25,"derating_temperature":[-60,25,250],"derating_amplitude":[1,1,0],"technology":"wirewound","tcr":50,"temp_min_C":-55,"temp_max_C":250,"current_sense":false,"pulse_withstanding":false,"max_voltage_V":null,"number_of_elements":null,"internal_connection":null},"permalink":"https://kelvin.openconverters.com/part/resistor/RWR74S1R50FRBSL?manufacturer=Vishay","_dataVersion":"44272244696ae387"}],"original":{"mpn":"MVM3JB1R50","manufacturer":"SEI Stackpole","specs":{"current_sense":false,"family":"MVM","heightM":0.025,"internal_connection":"","is_production":false,"max_voltage":300,"mount":"tht","power_rating":3,"power_rating_temperature":70,"pulse_withstanding":false,"resistance":1.5,"tcr":200,"technology":"metalOxide","temp_max_c":250,"temp_min_c":-55,"tolerance":0.05,"widthM":0.0125},"_lineno":942510,"_srcOffset":1905812805,"_srcLength":1754,"permalink":"https://kelvin.openconverters.com/part/resistor/MVM3JB1R50?manufacturer=SEI%20Stackpole","_dataVersion":"44272244696ae387"},"originalSpecs":{"mpn":"MVM3JB1R50","width_m":0.0125,"height_m":0.025,"case_code":"","mount":"tht","is_production":false,"provenance_retracted":false,"retracted_fields":[],"retraction_reason":"","box_axes_ambiguous":false,"value_si":1.5,"power_rating":3,"tolerance_pct":5,"family":"MVM","power_rating_temperature":70,"technology":"metalOxide","tcr":200,"temp_min_C":-55,"temp_max_C":250,"current_sense":false,"pulse_withstanding":false,"max_voltage_V":300},"total":2870,"shown":12,"pool":{"scored":800,"cap":800},"originalVerified":true,"caveat":"800 of 2,870 pre-gated candidates were scored (pool capped at 800)."}