{"dataVersion":"103754c4b2cacfcb","mode":"crossref","family":"resistor","candidates":[{"mpn":"POS400JT-77-3K9AA","manufacturer":"YAGEO Vitrohm","_key":"YAGEO Vitrohm␟POS400JT-77-3K9AA","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 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; 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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"],"params":[{"name":"value","verdict":"pass"},{"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":2.036696227126699,"status":"partial","row":{"current_sense":false,"derating_amplitude":[1,1,0.51],"derating_temperature":[-55,40,155],"family":"SQM","heightM":null,"is_production":true,"lengthM":null,"lineno":60107,"manufacturer":"YAGEO","max_voltage":null,"mpn":"SQM500JB-3K9","power_rating":5,"power_rating_temperature":null,"pulse_withstanding":false,"resistance":3900,"srcLength":1240,"srcOffset":97192033,"tcr":null,"technology":"metalOxide","temp_max_c":null,"temp_min_c":null,"tolerance":0.05,"widthM":null},"specs":{"mpn":"SQM500JB-3K9","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":3900,"power_rating":5,"tolerance_pct":5,"family":"SQM","power_rating_temperature":null,"derating_temperature":[-55,40,155],"derating_amplitude":[1,1,0.51],"technology":"metalOxide","tcr":null,"temp_min_C":null,"temp_max_C":null,"current_sense":false,"pulse_withstanding":false,"max_voltage_V":null},"permalink":"https://kelvin.openconverters.com/part/resistor/SQM500JB-3K9?manufacturer=YAGEO","_dataVersion":"103754c4b2cacfcb"},{"mpn":"KHS400KB-AX-3K9AA","manufacturer":"YAGEO Vitrohm","_key":"YAGEO Vitrohm␟KHS400KB-AX-3K9AA","direction":"mixed","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","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"],"params":[{"name":"value","verdict":"pass"},{"name":"technology","verdict":"warn"},{"name":"power_rating","verdict":"unverified"},{"name":"tolerance_pct","verdict":"warn"},{"name":"tcr","verdict":"unverified"},{"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":"unverified"},{"name":"height","verdict":"unverified"}],"penalty":3.0348037361763986,"status":"partial","row":{"current_sense":false,"derating_amplitude":null,"derating_temperature":null,"family":"KHS","heightM":null,"is_production":true,"lengthM":null,"lineno":62089,"manufacturer":"YAGEO Vitrohm","max_voltage":null,"mpn":"KHS400KB-AX-3K9AA","power_rating":4,"power_rating_temperature":null,"pulse_withstanding":false,"resistance":3900,"srcLength":622,"srcOffset":99850566,"tcr":null,"technology":"wirewound","temp_max_c":350,"temp_min_c":-55,"tolerance":0.1,"widthM":null},"specs":{"mpn":"KHS400KB-AX-3K9AA","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":3900,"power_rating":4,"tolerance_pct":10,"family":"KHS","power_rating_temperature":null,"derating_temperature":null,"derating_amplitude":null,"technology":"wirewound","tcr":null,"temp_min_C":-55,"temp_max_C":350,"current_sense":false,"pulse_withstanding":false,"max_voltage_V":null},"permalink":"https://kelvin.openconverters.com/part/resistor/KHS400KB-AX-3K9AA?manufacturer=YAGEO%20Vitrohm","_dataVersion":"103754c4b2cacfcb"},{"mpn":"RSF3WSJT-73-3K9","manufacturer":"YAGEO","_key":"YAGEO␟RSF3WSJT-73-3K9","direction":"downgrade","footprint":"unknown","grade":"major_review","_height_fit":"unknown","notes":["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":"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,"status":"partial","row":{"current_sense":false,"derating_amplitude":[1,1,0.48],"derating_temperature":[-55,70,155],"family":"RSF","heightM":null,"is_production":true,"lengthM":null,"lineno":59611,"manufacturer":"YAGEO","max_voltage":null,"mpn":"RSF3WSJT-73-3K9","power_rating":3,"power_rating_temperature":null,"pulse_withstanding":false,"resistance":3900,"srcLength":1349,"srcOffset":96516490,"tcr":null,"technology":"metalOxide","temp_max_c":155,"temp_min_c":-55,"tolerance":0.05,"widthM":null},"specs":{"mpn":"RSF3WSJT-73-3K9","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":3900,"power_rating":3,"tolerance_pct":5,"family":"RSF","power_rating_temperature":null,"derating_temperature":[-55,70,155],"derating_amplitude":[1,1,0.48],"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/RSF3WSJT-73-3K9?manufacturer=YAGEO","_dataVersion":"103754c4b2cacfcb"},{"mpn":"SQP500JB-3K9","manufacturer":"YAGEO","_key":"YAGEO␟SQP500JB-3K9","direction":"mixed","footprint":"unknown","grade":"major_review","_height_fit":"unknown","notes":["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":"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":5.036696227126699,"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":60389,"manufacturer":"YAGEO","max_voltage":null,"mpn":"SQP500JB-3K9","power_rating":5,"power_rating_temperature":null,"pulse_withstanding":false,"resistance":3900,"srcLength":1757,"srcOffset":97588677,"tcr":null,"technology":"metalOxide","temp_max_c":155,"temp_min_c":-55,"tolerance":0.05,"widthM":null},"specs":{"mpn":"SQP500JB-3K9","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":3900,"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-3K9?manufacturer=YAGEO","_dataVersion":"103754c4b2cacfcb"},{"mpn":"LTR100JZPJ392","manufacturer":"ROHM","_key":"ROHM␟LTR100JZPJ392","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 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","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":"unverified"},{"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":5.5,"status":"partial","row":{"current_sense":false,"derating_amplitude":null,"derating_temperature":null,"family":"","heightM":null,"is_production":true,"lengthM":null,"lineno":5181,"manufacturer":"ROHM","max_voltage":null,"mpn":"LTR100JZPJ392","power_rating":3,"power_rating_temperature":null,"pulse_withstanding":false,"resistance":3900,"srcLength":616,"srcOffset":7012619,"tcr":null,"technology":"thickFilm","temp_max_c":125,"temp_min_c":-55,"tolerance":0.05,"widthM":null},"specs":{"mpn":"LTR100JZPJ392","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":3900,"power_rating":3,"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/LTR100JZPJ392?manufacturer=ROHM","_dataVersion":"103754c4b2cacfcb"},{"mpn":"CFR3WSJT-73-3K9","manufacturer":"YAGEO","_key":"YAGEO␟CFR3WSJT-73-3K9","direction":"downgrade","footprint":"unknown","grade":"major_review","_height_fit":"unknown","notes":["resistor technology differs: metalOxide -> carbonFilm — a different construction class, with different TCR, noise, long-term stability and pulse behaviour; 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