PNP Transistor BC557 (pack of 5) – Online India

BC557 PNP general purpose transistors, especially suited for use in driver stages of audio amplifiers, low noise input stages of tape recorders, HI-FI amplifiers, signal processing circuits of television receivers. They have high gain and low saturation voltage

Here you can buy the PNP Transistor BC557 (pack of 5) module in India. Order multiple products and save per item shipping cost in India. Local Pickup is also available in Delhi-NCR.

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Circuit Uncle brought to you the PNP Transistor BC557 (pack of 5) to buy online in India. This BC557 transistor is breadboard friendly. Looking at the flat side with the leads pointed downward, the three leads emerging from the transistor are (left to right) the collector, base, and emitter lead. Features of this transistor:

  • Operating and Storage Junction Temperature Range: −65 to +150 °C
  • Max.Collector Current−Continuous: 100 mA
  • Max.Collector-Emitter Voltage, V_CEO: 45V DC
  • Max.Emitter – Base Voltage, V_EBO: 5V DC
  • Max Collector Dissipation (Pc): 500 Milliwatt
  • Max Transition Frequency (fT): 100 MHz
  • DC Collector Current: 200 mA
  • DC Current Gain h_FE: 75-800
  • Package-Type: TO-92

Pin Configuration

Pin Number Pin Name Description
1 Collector Current flows in through collector
2 Base Controls the biasing of transistor
3 Emitter Current Drains out through emitter


Configurations available for amplifier circuits

  1. Common emitter
  2. Common collector
  3. Common base

Complementary NPN Transistor:

Other Equivalent Characteristics Replacement Transistor

Alternative transistors for BC557 PNP Transistor available in India are 2N3906, 2N4403, BC556, BC327.  However, please see the pinout details of the equivalent transistors through their datasheet before using in the circuit.

BC557 is a general-purpose transistor and used for a wide range of applications, e.g., audio amplifiers, buzzers, electronic bells, and other sound circuits that require small amplification. Besides these uses, this transistor can also act as a switch to high-power transistors, LEDs, relays, etc. This transistor is also very famous among technical students of India and worldwide, and also included in the official curriculum of many technical institutes.

For guaranteeing maximum and stable performance BC557 should be operated in the temperature range of −65 to +150 °C, beyond this temperature range stable performance of this transistor is not guaranteed.

For Datasheet click here.

Project Idea Bonus video utilizing a BC557 PNP Transistor

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Additional information

Weight 300 g
Dimensions 180 × 70 × 1 cm


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