{"dataVersion":"103754c4b2cacfcb","mode":"crossref","family":"resistor","candidates":[{"mpn":"SG73P1ETTP4992D","manufacturer":"KOA Speer","_key":"KOA Speer␟SG73P1ETTP4992D","direction":"downgrade","footprint":"unknown","grade":"major_review","_height_fit":"unknown","notes":["resistor technology differs: metalOxide -> thickFilm — 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 below the original's: the substitute is rated 0.125 W against the original's 3 W at 70 degC, and the substitute's record states neither the temperature its rating applies at nor a derating curve","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 +125 degC vs the original's +250 degC — verify the enclosure ambient"],"params":[{"name":"value","verdict":"pass"},{"name":"technology","verdict":"warn"},{"name":"power_rating","verdict":"fail"},{"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":8.5,"status":"partial","row":{"current_sense":false,"derating_amplitude":null,"derating_temperature":null,"family":"","heightM":null,"is_production":true,"lengthM":null,"lineno":4392,"manufacturer":"KOA Speer","max_voltage":null,"mpn":"SG73P1ETTP4992D","power_rating":0.125,"power_rating_temperature":null,"pulse_withstanding":false,"resistance":49900,"srcLength":579,"srcOffset":6549164,"tcr":null,"technology":"thickFilm","temp_max_c":125,"temp_min_c":-55,"tolerance":0.05,"widthM":null},"specs":{"mpn":"SG73P1ETTP4992D","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":49900,"power_rating":0.125,"tolerance_pct":5,"family":"","power_rating_temperature":null,"derating_temperature":null,"derating_amplitude":null,"technology":"thickFilm","tcr":null,"temp_min_C":-55,"temp_max_C":125,"current_sense":false,"pulse_withstanding":false,"max_voltage_V":null},"permalink":"https://kelvin.openconverters.com/part/resistor/SG73P1ETTP4992D?manufacturer=KOA%20Speer","_dataVersion":"103754c4b2cacfcb"},{"mpn":"MF0207FTE52-49K9","manufacturer":"YAGEO","_key":"YAGEO␟MF0207FTE52-49K9","direction":"mixed","footprint":"unknown","grade":"major_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","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":"fail"},{"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":8.576118174470771,"status":"partial","row":{"current_sense":false,"derating_amplitude":[1,1,0],"derating_temperature":[-55,70,155],"family":"MF0","heightM":null,"is_production":true,"lengthM":null,"lineno":13083,"manufacturer":"YAGEO","max_voltage":null,"mpn":"MF0207FTE52-49K9","power_rating":0.6,"power_rating_temperature":null,"pulse_withstanding":false,"resistance":49900,"srcLength":1134,"srcOffset":17976372,"tcr":null,"technology":"thinFilm","temp_max_c":155,"temp_min_c":-55,"tolerance":0.01,"widthM":null},"specs":{"mpn":"MF0207FTE52-49K9","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":49900,"power_rating":0.6,"tolerance_pct":1,"family":"MF0","power_rating_temperature":null,"derating_temperature":[-55,70,155],"derating_amplitude":[1,1,0],"technology":"thinFilm","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/MF0207FTE52-49K9?manufacturer=YAGEO","_dataVersion":"103754c4b2cacfcb"},{"mpn":"MF0207FRE52-49K9","manufacturer":"YAGEO","_key":"YAGEO␟MF0207FRE52-49K9","direction":"mixed","footprint":"unknown","grade":"major_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","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":"fail"},{"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":8.576118174470771,"status":"partial","row":{"current_sense":false,"derating_amplitude":[1,1,0],"derating_temperature":[-55,70,155],"family":"MF0","heightM":null,"is_production":true,"lengthM":null,"lineno":13284,"manufacturer":"YAGEO","max_voltage":null,"mpn":"MF0207FRE52-49K9","power_rating":0.6,"power_rating_temperature":null,"pulse_withstanding":false,"resistance":49900,"srcLength":1134,"srcOffset":18204257,"tcr":null,"technology":"thinFilm","temp_max_c":155,"temp_min_c":-55,"tolerance":0.01,"widthM":null},"specs":{"mpn":"MF0207FRE52-49K9","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":49900,"power_rating":0.6,"tolerance_pct":1,"family":"MF0","power_rating_temperature":null,"derating_temperature":[-55,70,155],"derating_amplitude":[1,1,0],"technology":"thinFilm","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/MF0207FRE52-49K9?manufacturer=YAGEO","_dataVersion":"103754c4b2cacfcb"},{"mpn":"MFP-25BTD52-49K9","manufacturer":"YAGEO","_key":"YAGEO␟MFP-25BTD52-49K9","direction":"mixed","footprint":"unknown","grade":"major_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","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":"fail"},{"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":8.586521613196053,"status":"partial","row":{"current_sense":false,"derating_amplitude":[1,1,0],"derating_temperature":[-55,70,155],"family":"MFP","heightM":null,"is_production":true,"lengthM":null,"lineno":12663,"manufacturer":"YAGEO","max_voltage":null,"mpn":"MFP-25BTD52-49K9","power_rating":0.25,"power_rating_temperature":null,"pulse_withstanding":false,"resistance":49900,"srcLength":1348,"srcOffset":17490442,"tcr":null,"technology":"thinFilm","temp_max_c":155,"temp_min_c":-55,"tolerance":0.001,"widthM":null},"specs":{"mpn":"MFP-25BTD52-49K9","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":49900,"power_rating":0.25,"tolerance_pct":0.1,"family":"MFP","power_rating_temperature":null,"derating_temperature":[-55,70,155],"derating_amplitude":[1,1,0],"technology":"thinFilm","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/MFP-25BTD52-49K9?manufacturer=YAGEO","_dataVersion":"103754c4b2cacfcb"},{"mpn":"RC0100FR-0749K9L","manufacturer":"YAGEO","_key":"YAGEO␟RC0100FR-0749K9L","direction":"mixed","footprint":"smaller","grade":"major_review","_height_fit":"fits","notes":["resistor technology differs: metalOxide -> thickFilm — 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","mount type not established (original: leaded, substitute: not stated) — confirm SMD vs through-hole from the datasheets","smaller body than the original (0.4 x 0.2 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","rated only to +125 degC vs the original's +250 degC — verify the enclosure ambient"],"params":[{"name":"value","verdict":"pass"},{"name":"technology","verdict":"warn"},{"name":"power_rating","verdict":"fail"},{"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":"warn"},{"name":"height","verdict":"pass"}],"penalty":9.076118174470771,"status":"partial","row":{"caseCode":"01005","current_sense":false,"derating_amplitude":[1,1,0],"derating_temperature":[-55,70,125],"family":"RC","heightM":0.00013,"is_production":true,"lengthM":0.0004,"lineno":29088,"manufacturer":"YAGEO","max_voltage":null,"mpn":"RC0100FR-0749K9L","power_rating":0.03,"power_rating_temperature":null,"pulse_withstanding":false,"resistance":49900,"srcLength":1721,"srcOffset":44166818,"tcr":null,"technology":"thickFilm","temp_max_c":125,"temp_min_c":-55,"tolerance":0.01,"widthM":0.0002},"specs":{"mpn":"RC0100FR-0749K9L","length_m":0.0004,"width_m":0.0002,"height_m":0.00013,"case_code":"01005","mount":"","lead_pitch_m":null,"is_production":true,"provenance_retracted":false,"box_axes_ambiguous":false,"value_si":49900,"power_rating":0.03,"tolerance_pct":1,"family":"RC","power_rating_temperature":null,"derating_temperature":[-55,70,125],"derating_amplitude":[1,1,0],"technology":"thickFilm","tcr":null,"temp_min_C":-55,"temp_max_C":125,"current_sense":false,"pulse_withstanding":false,"max_voltage_V":null},"permalink":"https://kelvin.openconverters.com/part/resistor/RC0100FR-0749K9L?manufacturer=YAGEO","_dataVersion":"103754c4b2cacfcb"},{"mpn":"RC0100FR-0749K9P","manufacturer":"YAGEO","_key":"YAGEO␟RC0100FR-0749K9P","direction":"mixed","footprint":"smaller","grade":"major_review","_height_fit":"fits","notes":["resistor technology differs: metalOxide -> thickFilm — 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","mount type not established (original: leaded, substitute: not stated) — confirm SMD vs through-hole from the datasheets","smaller body than the original (0.4 x 0.2 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","rated only to +125 degC vs the original's +250 degC — verify the enclosure ambient"],"params":[{"name":"value","verdict":"pass"},{"name":"technology","verdict":"warn"},{"name":"power_rating","verdict":"fail"},{"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":"warn"},{"name":"height","verdict":"pass"}],"penalty":9.076118174470771,"status":"partial","row":{"caseCode":"01005","current_sense":false,"derating_amplitude":[1,1,0],"derating_temperature":[-55,70,125],"family":"RC_P","heightM":0.00013,"is_production":true,"lengthM":0.0004,"lineno":56373,"manufacturer":"YAGEO","max_voltage":null,"mpn":"RC0100FR-0749K9P","power_rating":0.03,"power_rating_temperature":null,"pulse_withstanding":false,"resistance":49900,"srcLength":1717,"srcOffset":91586842,"tcr":null,"technology":"thickFilm","temp_max_c":125,"temp_min_c":-55,"tolerance":0.01,"widthM":0.0002},"specs":{"mpn":"RC0100FR-0749K9P","length_m":0.0004,"width_m":0.0002,"height_m":0.00013,"case_code":"01005","mount":"","lead_pitch_m":null,"is_production":true,"provenance_retracted":false,"box_axes_ambiguous":false,"value_si":49900,"power_rating":0.03,"tolerance_pct":1,"family":"RC_P","power_rating_temperature":null,"derating_temperature":[-55,70,125],"derating_amplitude":[1,1,0],"technology":"thickFilm","tcr":null,"temp_min_C":-55,"temp_max_C":125,"current_sense":false,"pulse_withstanding":false,"max_voltage_V":null},"permalink":"https://kelvin.openconverters.com/part/resistor/RC0100FR-0749K9P?manufacturer=YAGEO","_dataVersion":"103754c4b2cacfcb"},{"mpn":"TC124-FR-0749K9L","manufacturer":"YAGEO","_key":"YAGEO␟TC124-FR-0749K9L","direction":"mixed","footprint":"different_land_pattern","grade":"major_review","_height_fit":"fits","notes":["this is a multi-element chip resistor array/network and the original is a discrete two-terminal resistor: it carries several isolated elements on a land pattern the original's two pads cannot connect","resistor technology differs: metalOxide -> thickFilm — 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","mount type not established (original: leaded, substitute: not stated) — confirm SMD vs through-hole from the datasheets","rated only to +155 degC vs the original's +250 degC — verify the enclosure ambient"],"params":[{"name":"value","verdict":"pass"},{"name":"configuration","verdict":"fail"},{"name":"technology","verdict":"warn"},{"name":"power_rating","verdict":"fail"},{"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":"fail"},{"name":"height","verdict":"pass"}],"penalty":12.576118174470771,"status":"partial","row":{"current_sense":false,"derating_amplitude":[1,1,0],"derating_temperature":[-55,70,125],"family":"TC","heightM":0.0004,"is_production":true,"lengthM":0.002,"lineno":53634,"manufacturer":"YAGEO","max_voltage":null,"mpn":"TC124-FR-0749K9L","power_rating":0.063,"power_rating_temperature":null,"pulse_withstanding":false,"resistance":49900,"srcLength":1690,"srcOffset":86738192,"tcr":null,"technology":"thickFilm","temp_max_c":155,"temp_min_c":-55,"tolerance":0.01,"widthM":0.001},"specs":{"mpn":"TC124-FR-0749K9L","length_m":0.002,"width_m":0.001,"height_m":0.0004,"case_code":"","mount":"","lead_pitch_m":null,"is_production":true,"provenance_retracted":false,"box_axes_ambiguous":false,"value_si":49900,"power_rating":0.063,"tolerance_pct":1,"family":"TC","power_rating_temperature":null,"derating_temperature":[-55,70,125],"derating_amplitude":[1,1,0],"technology":"thickFilm","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/TC124-FR-0749K9L?manufacturer=YAGEO","_dataVersion":"103754c4b2cacfcb"},{"mpn":"YC164-FR-0749K9L","manufacturer":"YAGEO","_key":"YAGEO␟YC164-FR-0749K9L","direction":"mixed","footprint":"different_land_pattern","grade":"major_review","_height_fit":"fits","notes":["this is a multi-element chip resistor array/network and the original is a discrete two-terminal resistor: it carries several isolated elements on a land pattern the original's two pads cannot connect","resistor technology differs: metalOxide -> thickFilm — 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","mount type not established (original: leaded, substitute: not stated) — confirm SMD vs through-hole from the datasheets","rated only to +155 degC vs the original's +250 degC — verify the enclosure ambient"],"params":[{"name":"value","verdict":"pass"},{"name":"configuration","verdict":"fail"},{"name":"technology","verdict":"warn"},{"name":"power_rating","verdict":"fail"},{"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":"fail"},{"name":"height","verdict":"pass"}],"penalty":12.576118174470771,"status":"partial","row":{"current_sense":false,"derating_amplitude":[1,1,0],"derating_temperature":[-55,70,155],"family":"YC","heightM":0.0006,"is_production":true,"lengthM":0.0032,"lineno":54219,"manufacturer":"YAGEO","max_voltage":null,"mpn":"YC164-FR-0749K9L","power_rating":0.063,"power_rating_temperature":null,"pulse_withstanding":false,"resistance":49900,"srcLength":1694,"srcOffset":87728335,"tcr":null,"technology":"thickFilm","temp_max_c":155,"temp_min_c":-55,"tolerance":0.01,"widthM":0.0016},"specs":{"mpn":"YC164-FR-0749K9L","length_m":0.0032,"width_m":0.0016,"height_m":0.0006,"case_code":"","mount":"","lead_pitch_m":null,"is_production":true,"provenance_retracted":false,"box_axes_ambiguous":false,"value_si":49900,"power_rating":0.063,"tolerance_pct":1,"family":"YC","power_rating_temperature":null,"derating_temperature":[-55,70,155],"derating_amplitude":[1,1,0],"technology":"thickFilm","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/YC164-FR-0749K9L?manufacturer=YAGEO","_dataVersion":"103754c4b2cacfcb"},{"mpn":"SQM500JB-51K","manufacturer":"YAGEO","_key":"YAGEO␟SQM500JB-51K","direction":"downgrade","footprint":"unknown","grade":"major_review","_height_fit":"unknown","notes":["+2.2 % shift from the original's nominal value","nominal resistance differs: 49.9 kΩ -> 51 kΩ (+2.2 %) — a different value, an alternative only","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; 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