Nec B58944 Datasheet

No publicly accessible datasheet for exists in major technical databases as of this report. The part is likely a custom or obsolete component intended for a specific application. Users are advised to trace the circuit, analyze the component’s markings in full, or contact Renesas support with the application context.

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Common in EDC7 and EDC16 units for heavy vehicles like Iveco. nec b58944 datasheet

The NEC is a high-voltage, high-speed NPN power transistor designed for use in high-definition television (HDTV) horizontal deflection circuits and other high-voltage switching applications. It utilizes a diffusion prescaler structure to achieve high breakdown voltage and fast switching speeds. This component is characterized by its high collector current capability and robust power dissipation rating, making it suitable for driving inductive loads such as deflection yokes and flyback transformers. No publicly accessible datasheet for exists in major

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Data from non-specialist sources like Utsource and Spanish Alibaba inaccurately describe the B58944 as an Infineon low-dropout (LDO) voltage regulator with a 28-pin SOP package or a dual-channel high-side solid-state relay . These claims are not confirmed by official datasheets or major distributor listings and are not cited in specialized ECU repair contexts.

Examine the SOP-28 package pins using a microscope to look for solder fatigue or thermal discoloration.