BC857C-TP

Overview

The BC857C-TP is a single PNP bipolar junction transistor manufactured by Micro Commercial Components. It utilizes silicon technology and is housed in an SOT-23-3 surface-mount package. The device supports a maximum continuous collector current of 100 mA and operates with a collector-emitter voltage of 45 V and a collector-base voltage of 50 V. Key electrical characteristics include a minimum DC current gain of 220 at 2 mA and 5 V, a transition frequency of 100 MHz, and a power dissipation rating of 310 mW. The component functions within a temperature range of -55°C to +150°C.

Feature Summary

• Single PNP configuration for general-purpose switching and amplification
• High DC current gain ensuring effective signal control
• Automotive-grade reliability qualification under AEC-Q101 standards
• Compact SOT-23-3 footprint optimized for space-constrained designs

Applications

• General-purpose switching circuits
• Signal amplification stages
• Automotive electronic systems requiring AEC-Q101 compliance

Procurement Notes

Verify the specific datasheet version and RoHS compliance status directly with Micro Commercial Components or authorized distributors before integration. Confirm that the SOT-23-3 package dimensions align with your PCB layout requirements. Ensure the operating temperature range meets your system's environmental specifications. Cross-reference the part number suffix to confirm it matches the exact electrical binning required for your design.

Selection Notes

Select this component when a single PNP transistor with high current gain and automotive qualification is required. The SOT-23-3 package offers a compact solution for dense layouts. Consider the 100 mA current limit and 45 V voltage rating to ensure adequate headroom for your application. The 100 MHz transition frequency supports moderate-speed switching tasks.

Part Context

This part belongs to the BC857 series of small-signal PNP transistors produced by Micro Commercial Components. It serves as a complementary counterpart to NPN variants like the BC847 series. The device is designed for general-purpose applications where reliable performance and compact packaging are essential. It represents a standard solution for low-power switching and amplification tasks in consumer and industrial electronics.

Replacement Considerations

Direct substitutes include other manufacturers' BC857C equivalents in SOT-23 packages. Verify pinout compatibility and electrical parameter matching, particularly hFE bins and voltage ratings, before substitution.

FAQ

Is the BC857C-TP qualified for automotive applications?

Yes, the BC857C-TP is qualified according to the AEC-Q101 standard for automotive grade components.

What is the maximum power dissipation of this transistor?

The maximum power dissipation (Pd) for the BC857C-TP is 310 mW.

What is the minimum DC current gain specified for this device?

The minimum DC current gain (hFE) is 220, measured at a collector current of 2 mA and a collector-emitter voltage of 5 V.