• BC856B SOT23
BC856B SOT23


Trans GP BJT PNP 65V 0.1A 200mW 3-Pin SOT-23 T/R

Quantity Unit Price(USD) Ext. Price
50 $0.010 $0.50
500 $0.008 $4.00
3000 $0.007 $21.00
6000 $0.006 $36.00
24000 $0.006 $144.00
51000 $0.005 $255.00


*The price is for reference only.
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Overview of BC856B

The BC856B is a general-purpose PNP transistor commonly used in amplification and switching applications. This transistor offers moderate current and voltage capabilities, making it suitable for low-power electronic circuits.


(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

  • Emitter (E): Current flows out through this terminal
  • Base (B): Input terminal for controlling the transistor's operation
  • Collector (C): Current flows in through this terminal

Circuit Diagram

Include a circuit diagram illustrating the use of the BC856B transistor in common amplification or switching circuits for a better understanding of its application.

Key Features

  • PNP Transistor: The BC856B is a PNP type transistor suitable for use in various electronic circuits.
  • Moderate Current and Voltage Ratings: With moderate current and voltage ratings, this transistor is ideal for low-power applications.
  • General-Purpose Use: The BC856B is versatile and can be used in a range of amplification and switching circuits.
  • Compact Package: Available in a small SOT-23 package, saving space in circuit designs.

Note: For detailed technical specifications, please refer to the BC856B datasheet.


  • Amplification: The BC856B can be used in audio and signal amplification circuits.
  • Switching: Suitable for low-power switching applications in electronic devices.
  • Voltage Regulation: Can be employed in voltage regulation circuits for stable output.


The BC856B PNP transistor is designed to amplify signals or act as a switch in electronic circuits. It provides control over current flow based on the input signal applied to the base terminal.

Usage Guide

  • Connection: Emitter to ground, Base for input signal, Collector for output connection.
  • Biasing: Apply appropriate bias voltage to the base terminal to control the transistor's operation.

Frequently Asked Questions

Q: What is the maximum power dissipation of the BC856B transistor?
A: The BC856B has a maximum power dissipation rating of typically 250mW for continuous operation.

Q: Is the BC856B suitable for high-frequency applications?
A: While the BC856B can operate at moderate frequencies, it may not be ideal for high-frequency applications due to its characteristics.


For similar functionalities, consider these alternatives to the BC856B:

  • 2N3906: A commonly used PNP transistor with similar characteristics to the BC856B.
  • BC557: Another PNP transistor option suitable for general-purpose amplification and switching circuits.



The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Product Category Bipolar Transistors - BJT RoHS Details
Mounting Style SMD/SMT Package / Case SOT-23
Transistor Polarity PNP Configuration Single
Collector- Emitter Voltage VCEO Max 65 V Collector- Base Voltage VCBO 80 V
Emitter- Base Voltage VEBO 5 V Collector-Emitter Saturation Voltage 650 mV
Maximum DC Collector Current 100 mA Pd - Power Dissipation 250 mW
Gain Bandwidth Product fT 100 MHz Minimum Operating Temperature - 55 C
Maximum Operating Temperature + 150 C Series BCXXX
Brand Diotec Semiconductor DC Current Gain hFE Max 290
Product Type BJTs - Bipolar Transistors Factory Pack Quantity 3000
Subcategory Transistors Tradename BC856B
Unit Weight 0.001376 oz

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