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Product Detailed Parameters
- Description：TRANS PNP 45V 0.1A SOT-23
- Series：-
- Mfr：MCC (Micro Commercial Components)
- Package：Tape & Reel (TR),Cut Tape (CT)
- 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
- DC Current Gain (hFE) (Min) @ Ic, Vce：220 @ 2mA, 5V
- Power - Max：310 mW
- Frequency - Transition：200MHz
- Operating Temperature：-55°C ~ 150°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：TO-236-3, SC-59, SOT-23-3
- Supplier Device Package：SOT-23
- Grade：-
- Qualification：-
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Overview
The BC857B-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 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 transition frequency of 100 MHz, power dissipation of 310 mW, and a collector-emitter saturation voltage of 250 mV. It functions within a temperature range of -55°C to +150°C.
Feature Summary
- Single PNP configuration for discrete switching and amplification
- Silicon-based construction for reliable operation
- Surface-mount design compatible with automated assembly
Applications
- General-purpose signal switching
- Amplifier circuits
- Logic interface applications
Procurement Notes
Verify the specific datasheet version against the manufacturer's official documentation before integration. Confirm that the SOT-23-3 package dimensions and pinout align with the target PCB footprint. Ensure compliance with RoHS directives if required by the end product specifications. Cross-reference the part number suffix to confirm it matches the standard single PNP variant without additional integrated components.
Selection Notes
Select this component when a compact PNP transistor is required for low-current switching tasks. The SOT-23-3 package offers space efficiency for dense layouts. Consider the 100 mA current limit and 45 V voltage rating to ensure adequate headroom for the intended circuit load. Verify thermal management requirements given the 310 mW power dissipation capability in the specified package.
Part Context
This component belongs to the BC857 series of general-purpose 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 use in consumer electronics and industrial equipment where small form factor and reliable performance are prioritized.
Replacement Considerations
Compatible substitutes include the BC857B from other manufacturers such as Nexperia or Diodes Inc., provided they match the SOT-23-3 package and electrical ratings.
