Nec B58944 Datasheet (Ad-Free)
According to technical data from UTSOURCE and TDK/EPCOS , the B58944 features standard characteristics suitable for diverse applications. 10 kΩ ± 1% to ± 5% B-Value ( B25/50cap B sub 25 / 50 end-sub B25/100cap B sub 25 / 100 end-sub ) 3950 K (Typical) Tolerance ± 1% to ± 5% (Model dependent) Operating Temperature -55°C to +125°C Maximum Power (P₂₅) ≈ 200 mW Dissipation Factor ( δthdelta sub t h end-sub ) ≈ 3.5 mW/K (in air) Thermal Cooling Time Constant ( τctau sub c ) ≈ 12 s (in air) Lead Type Copper-clad Fe wire, tinned 2.1. The Resistance-Temperature (R/T) Curve
Because it is a specialized, manufacturer-ordered component rather than a generic consumer IC, finding standard commercial datasheets can be difficult. This comprehensive technical guide synthesizes everything an automotive engineer or technician needs to know about the NEC B58944, including its functional role, package characteristics, common faults, and replacement procedures. Component Overview and Functional Role nec b58944 datasheet
: The OBD-II scanner cannot establish a connection with the ECU. According to technical data from UTSOURCE and TDK/EPCOS