BC557 PNP General Purpose Transistor 45V 100mA TO-92 Package

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SKU: 85117-10P
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BC557 PNP General Purpose Transistor 45V 100mA TO-92 Package 

BC557 is a semiconductor device used to amplify or switch electronic signals and electrical power. It is composed of semiconductor material usually with at least three terminals for connection to an external circuit. A voltage or current applied to one pair of the transistor's terminals controls the current through another pair of terminals. Because the controlled (output) power can be higher than the controlling (input) power, a transistor can amplify a signal. Today, some transistors are packaged individually, but many more are found embedded in integrated circuits.


  • Advanced process technology
  • Low error voltage
  • Fast switching speed
  • Full-voltage operation
  • High power and current handling capability
  • Driver stages of audio amplifiers
  • Low noise input stages of a tape recorder
  • Hi-Fi amplifiers
  • Signal processing circuits
  • LED Drivers, Relay drivers, etc
  • Darlington pair

Product Details

  • Product: BC557 Transistor
  • Polarity: PNP
  • Number of pins: 3
  • package: TO-92
  • Mounting type: Through hole
  • Package contains: 5 x BC557 General Purpose PNP Amplifier

Detailed Specifications:-

Transistor Polarity PNP
Collector-Base Voltage (VCBO) 50V
Collector-Emitter Voltage (VCEO) 45V
Emitter-Base Voltage (VEBO) 5V
Continuous Collector Current (IC) 100mA
Output Capacitance (Cobo) 6pF
Transition Frequency (fT) 150MHz
DC Current Gain (hFE) 110-800
Operating Temperature Range -65 - 150°C
Power Dissipation (PD) 500mW

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