Nec B58944 Datasheet -

) . NEC components are often sorted into "ranks" (indicated by a letter suffix) based on their gain. If you are replacing a B58944, matching the gain rank is vital for circuit balance. 3. Performance Curves

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 nec b58944 datasheet

This section defines how the component performs under normal conditions. Look for the DC Current Gain ( hFEh sub cap F cap E end-sub NEC (now part of Renesas Electronics in many

Understanding the NEC B58944: A Technical Overview If you are hunting for the , you are likely working with legacy telecommunications equipment or specialized industrial electronics. NEC (now part of Renesas Electronics in many segments) produced a vast array of semiconductors, and the B58944 remains a critical component for maintaining older hardware. nec b58944 datasheet

Often found in TO-92 or similar small-signal plastic packages, making it ideal for high-density PCB layouts. Collector-Base Voltage ( VCBOcap V sub cap C cap B cap O end-sub ): High enough to handle standard industrial signal rails. Collector Current ( ICcap I sub cap C

): Optimized for small-signal processing rather than power regulation. Transition Frequency ( fTf sub cap T

Ensure the replacement can handle the same fTf sub cap T if used in a radio or data circuit. Conclusion