BC557 - TO92 Transistor

BC557 - TO92 Transistor

The BC557 is a general-purpose, low-power PNP bipolar junction transistor (BJT). It is widely used in signal amplification, switching, and low-current control circuits. With its high gain (hFE) and low noise characteristics, it is ideal for use in audio amplifiers, sensor circuits, and digital control applications. The compact TO-92 package makes it suitable for breadboard use and prototyping projects.

BC557 - TO92 Transistor Specifications:

• Transistor Type: PNP

• Maximum Collector-Emitter Voltage (V_CE): -45 V

• Maximum Collector Current (I_C): -100 mA

• Power Dissipation (P_D): 500 mW

• Gain (hFE): 110 - 800

• Operating Temperature Range: -65°C ~ +150°C

• Package Type: TO-92

Useful Documents:

• BC557 Datasheet

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• BC Series Transistors
• Transistors