ABC857CW-HF

Single Bipolar Transistors Overview

The ABC857CW-HF is a PNP general-purpose bipolar junction transistor manufactured by Comchip Technology. It utilizes silicon technology and is housed in an SOT-323-3 surface-mount package. The device is rated for automotive applications with a collector-base voltage of 50 V, an emitter-base voltage of 5 V, and a continuous collector current of 100 mA. Power dissipation is specified at 200 mW, with a maximum DC current gain (hFE) of 800. The component operates within a temperature range of -65°C to +150°C.

Single Bipolar Transistors Feature Summary

• Automotive-grade qualification for reliable operation in vehicle environments
• High DC current gain capability up to 800 for efficient signal amplification
• Wide operating temperature range supporting extreme thermal conditions

Single Bipolar Transistors Applications

• Automotive electronic circuits requiring general-purpose switching
• Signal amplification stages in consumer electronics
• General-purpose transistor applications in compact SMD designs

Single Bipolar Transistors Procurement Notes

Verify the specific suffix HF against official Comchip documentation to confirm halogen-free compliance status. Confirm that the SOT-323-3 package dimensions match the target PCB footprint requirements. Ensure the automotive grade designation aligns with the intended application environment specifications before finalizing procurement decisions.

Single Bipolar Transistors Selection Notes

Select this component when high current gain and automotive reliability are required in a small surface-mount form factor. Compare the 50 V collector-base voltage rating against circuit requirements to ensure adequate headroom. Consider the 200 mW power dissipation limit relative to expected thermal loads in the final assembly design.

Single Bipolar Transistors Part Context

This part belongs to Comchip's automotive-grade BJT lineup, designed for robust performance in demanding environments. It shares the SOT-323-3 package family with other low-power transistors but offers specific electrical characteristics tailored for general-purpose switching and amplification tasks where space constraints and thermal resilience are critical design factors.

Single Bipolar Transistors Replacement Considerations

BC857CW-G is a documented alternative from the same manufacturer offering similar PNP characteristics in the same package.