ABC857B-HF

Single Bipolar Transistors Overview

The ABC857B-HF is a PNP bipolar junction transistor manufactured by Comchip Technology. It utilizes silicon technology and is housed in an SOT-323-3 surface-mount package. The device features a collector-base voltage of 50 V and an emitter-base voltage of 5 V. Maximum power dissipation is rated at 200 mW, with a continuous collector current of 100 mA. The component operates within a temperature range of -65 °C to +150 °C.

Single Bipolar Transistors Feature Summary

• Single PNP configuration for general-purpose switching applications
• Automotive-grade qualification ensuring reliability under varying conditions
• Silicon planar construction for stable electrical performance

Single Bipolar Transistors Applications

• General-purpose switching circuits
• Automotive electronic systems
• Signal amplification stages

Single Bipolar Transistors Procurement Notes

Verify the specific suffix 'HF' against official Comchip Technology documentation to confirm halogen-free status and RoHS compliance. Ensure the ordering part number matches the exact automotive grade requirements. Cross-reference datasheet revisions to confirm pinout consistency with existing designs before finalizing procurement orders.

Single Bipolar Transistors Selection Notes

Select this component when a PNP transistor with 50 V collector-base voltage and 100 mA continuous current capability is required in a compact SOT-323-3 package. Consider its automotive qualification if the application demands higher reliability standards compared to standard commercial grade devices. Verify thermal management needs given the 200 mW power dissipation limit.

Single Bipolar Transistors Part Context

This component belongs to the BC857 series of small-signal PNP transistors produced by Comchip Technology. It shares the same physical footprint as other variants in the series but may differ in electrical characteristics or qualification grades. The ABC prefix typically denotes automotive-grade specifications within the manufacturer's portfolio.

Single Bipolar Transistors Replacement Considerations

Consult official substitution guides for verified equivalents. Generic replacements must match the SOT-323-3 package, PNP polarity, and minimum voltage/current ratings.