{"dataVersion":"103754c4b2cacfcb","mode":"crossref","family":"resistor","candidates":[{"mpn":"1-1879070-5","manufacturer":"TE Connectivity","_key":"TE Connectivity␟1-1879070-5","direction":"equivalent","footprint":"unknown","grade":"minor_review","_height_fit":"unknown","notes":["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","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; 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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 10 W rating delivers 8.72 W there (from the substitute's derating curve) against the original's 3 W","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; 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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":"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":3.178944377099859,"status":"partial","row":{"current_sense":false,"derating_amplitude":[1,1,0],"derating_temperature":[-60,25,250],"family":"RWR74","heightM":0.00792,"is_production":false,"lengthM":0.02223,"lineno":289533,"manufacturer":"Vishay","max_voltage":null,"mpn":"RWR74N2R40FSBSL","power_rating":5,"power_rating_temperature":25,"pulse_withstanding":false,"resistance":2.4,"srcLength":1562,"srcOffset":434180438,"tcr":50,"technology":"wirewound","temp_max_c":250,"temp_min_c":-55,"tolerance":0.01,"widthM":0.00792},"specs":{"mpn":"RWR74N2R40FSBSL","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,"box_axes_ambiguous":false,"value_si":2.4,"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},"permalink":"https://kelvin.openconverters.com/part/resistor/RWR74N2R40FSBSL?manufacturer=Vishay","_dataVersion":"103754c4b2cacfcb"},{"mpn":"RWR74N2R40FSRSL","manufacturer":"Vishay","_key":"Vishay␟RWR74N2R40FSRSL","direction":"upgrade","footprint":"smaller","grade":"minor_review","_height_fit":"fits","notes":["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":"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":3.178944377099859,"status":"partial","row":{"current_sense":false,"derating_amplitude":[1,1,0],"derating_temperature":[-60,25,250],"family":"RWR74","heightM":0.00792,"is_production":false,"lengthM":0.02223,"lineno":289534,"manufacturer":"Vishay","max_voltage":null,"mpn":"RWR74N2R40FSRSL","power_rating":5,"power_rating_temperature":25,"pulse_withstanding":false,"resistance":2.4,"srcLength":1562,"srcOffset":434182001,"tcr":50,"technology":"wirewound","temp_max_c":250,"temp_min_c":-55,"tolerance":0.01,"widthM":0.00792},"specs":{"mpn":"RWR74N2R40FSRSL","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,"box_axes_ambiguous":false,"value_si":2.4,"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},"permalink":"https://kelvin.openconverters.com/part/resistor/RWR74N2R40FSRSL?manufacturer=Vishay","_dataVersion":"103754c4b2cacfcb"},{"mpn":"ERJA1BJ2R4U","manufacturer":"Panasonic","_key":"Panasonic␟ERJA1BJ2R4U","direction":"downgrade","footprint":"unknown","grade":"major_review","_height_fit":"unknown","notes":["resistor technology differs: wirewound -> currentSenseShunt — a different construction class, with different TCR, noise, long-term stability and pulse behaviour; 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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 4.36 W there (from the substitute's derating curve) against the original's 3 W","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","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","rated only to +155 degC vs the original's +250 degC — verify the enclosure ambient"],"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":"pass"},{"name":"temp_max_C","verdict":"fail"},{"name":"max_voltage_V","verdict":"unverified"},{"name":"mounting","verdict":"unverified"},{"name":"footprint","verdict":"unverified"},{"name":"height","verdict":"unverified"}],"penalty":5.536696227126699,"status":"partial","row":{"current_sense":false,"derating_amplitude":[1,1,0.51],"derating_temperature":[-55,40,155],"family":"SQP","heightM":null,"is_production":true,"lengthM":null,"lineno":60373,"manufacturer":"YAGEO","max_voltage":null,"mpn":"SQP500JB-2R4","power_rating":5,"power_rating_temperature":null,"pulse_withstanding":false,"resistance":2.4,"srcLength":1754,"srcOffset":97560558,"tcr":null,"technology":"metalOxide","temp_max_c":155,"temp_min_c":-55,"tolerance":0.05,"widthM":null},"specs":{"mpn":"SQP500JB-2R4","length_m":null,"width_m":null,"height_m":null,"case_code":"","mount":"","lead_pitch_m":null,"is_production":true,"provenance_retracted":false,"box_axes_ambiguous":false,"value_si":2.4,"power_rating":5,"tolerance_pct":5,"family":"SQP","power_rating_temperature":null,"derating_temperature":[-55,40,155],"derating_amplitude":[1,1,0.51],"technology":"metalOxide","tcr":null,"temp_min_C":-55,"temp_max_C":155,"current_sense":false,"pulse_withstanding":false,"max_voltage_V":null},"permalink":"https://kelvin.openconverters.com/part/resistor/SQP500JB-2R4?manufacturer=YAGEO","_dataVersion":"103754c4b2cacfcb"},{"mpn":"ERJA1BG2R4U","manufacturer":"Panasonic","_key":"Panasonic␟ERJA1BG2R4U","direction":"mixed","footprint":"unknown","grade":"major_review","_height_fit":"unknown","notes":["resistor technology differs: wirewound -> currentSenseShunt — a different construction class, with different TCR, noise, long-term stability and pulse behaviour; 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