Nec B58944 Datasheet -

Thanks to its low-noise characteristics and PNP polarity.

Tell me whether you have a scanned PDF or a photo of the part marking, or confirm the exact package and full part code. I can then locate the precise datasheet numbers (pinout tables, absolute max values, detailed electrical characteristics) and produce a component-specific summary, BOM notes, and recommended schematic snippets. nec b58944 datasheet