BC857CW-HF

$0.05

Description：TRANS PNP 45V 0.1A SOT-323
Series：-

SKU:b67afab0bb30 Category: Single Bipolar Transistors Brand: Comchip Technology

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Product introduction

Product Detailed Parameters

Description：TRANS PNP 45V 0.1A SOT-323
Series：-
Mfr：Comchip Technology
Package：Tape & Reel (TR)
Transistor Type：PNP
Current - Collector (Ic) (Max)：100 mA
Voltage - Collector Emitter Breakdown (Max)：45 V
Vce Saturation (Max) @ Ib, Ic：650mV @ 5mA, 100mA
Current - Collector Cutoff (Max)：15nA (ICBO)
DC Current Gain (hFE) (Min) @ Ic, Vce：420 @ 2mA, 5V
Power - Max：150 mW
Frequency - Transition：100MHz
Operating Temperature：150°C (TJ)
Mounting Type：Surface Mount
Package / Case：SC-70, SOT-323
Supplier Device Package：SOT-323
Grade：-
Qualification：-

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BC857CW-HF

Overview

The BC857CW-HF is a PNP silicon general-purpose bipolar junction transistor manufactured by Comchip Technology. It is designed for surface mount applications in the SOT-323-3 package. Key electrical specifications include a collector-emitter voltage of -50 V, a continuous collector current of 100 mA, and a power dissipation rating of 200 mW. The device operates within a temperature range of -65°C to +150°C.

Feature Summary

PNP polarity configuration suitable for general-purpose switching and amplification tasks
Automotive-grade qualification ensuring reliability under varying environmental conditions
Small form factor SMD packaging optimized for high-density circuit board layouts

Applications

General-purpose signal switching circuits
Low-power amplifier stages
Automotive electronic control modules

Procurement Notes

Verify the specific suffix against official manufacturer documentation to confirm automotive grade status and RoHS compliance. Ensure the ordering code matches the exact SOT-323-3 variant required for your design. Cross-reference datasheet revisions to validate thermal characteristics and pinout definitions before finalizing procurement.

Selection Notes

Select this component when a compact PNP transistor with moderate voltage handling is required. The SOT-323-3 package offers space efficiency compared to larger through-hole alternatives. Consider the 200 mW power dissipation limit during thermal analysis to ensure safe operation within the specified temperature range without additional heat sinking.

Part Context

This part belongs to the BC857 series of small-signal transistors produced by Comchip Technology. It serves as a surface-mount alternative to traditional leaded packages while maintaining comparable electrical performance. The series is widely utilized in consumer electronics and industrial control systems requiring reliable low-current switching capabilities.