For procurement or replacement, these parts are often stocked by specialized electronic component distributors such as Jotrin Electronics Jotrin Electronics full PDF datasheet for the $\mu$PD43256B equivalent, or do you need a pinout diagram NEC B58944 ECU DRIVER SOP-28 - Inovauto.com
: Lead-free / RoHS Compliant variants are standard for replacement stock.
This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later. NEC B58944 D43256BGU-70Y BOSCH Auto ECU computer IC nec b58944 datasheet
(Engine Control Unit) boards, this specialized integrated circuit (IC) is a critical component for engine management systems.
These are the "breaking points." Operating the transistor above these values (like VCEOcap V sub cap C cap E cap O end-sub Tstgcap T sub s t g end-sub For procurement or replacement, these parts are often
Technical Specifications and Application Overview for the B58944 Transistor Component Type: High-Voltage, High-Speed Switching Power Transistor Manufacturer: NEC (now Renesas Electronics)
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 If you share with third parties, their policies apply
256 Kibibits organized uniformly into a 32K x 8-bit architecture .
NEC B58944 is an integrated circuit, specifically identified as a 256 K-bit Static Random Access Memory (SRAM) chip. It is often cross-referenced or equivalent to the $\mu$PD43256BGU-70L Technical Specifications
The is a robust and highly accurate sensor designed for reliable performance in temperature-critical applications. By understanding its R/T curve, minimizing self-heating, and utilizing high-precision circuits, engineers can implement effective temperature sensing solutions.