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BC557 PNP General Purpose Transistor

1,00 EGP

In stock

  • PNP transistor for general-purpose switching and amplification

  • -45V / -100mA ratings make it suitable for low-power circuits

  • TO-92 package for easy through-hole mounting

  • Widely used in audio, analog, and control applications

In stock

Estimated delivery dates: July 28, 2025 – July 31, 2025

Shipping & Delivery

  • Local pickup

Receipt from the place on the same day or shipping to nearby places

On the same day

6PM - 10 PM

  • Shipping company

Delivery through a fast shipping company intermediary

1-3 Days

Description

BC557 – PNP General Purpose Transistor

The BC557 is a general-purpose PNP bipolar junction transistor (BJT) designed for switching and amplification applications. It is widely used in low-power electronic circuits and is suitable for signal amplification, low-speed switching, and other linear applications. The BC557 is commonly used in analog circuits, audio amplifiers, and hobbyist electronics due to its small size, low cost, and availability.


Key Features:

  • PNP general-purpose transistor

  • Low noise and good gain performance

  • Suitable for switching and amplification

  • Maximum Collector Current: -100mA

  • Collector-Emitter Voltage: -45V

  • Transition frequency: ~150 MHz

  • Compact TO-92 plastic package


📐 Datasheet Specifications:

Parameter Value
Transistor Type PNP
Package Type TO-92
Collector-Emitter Voltage (V<sub>CEO</sub>) -45V
Collector-Base Voltage (V<sub>CBO</sub>) -50V
Emitter-Base Voltage (V<sub>EBO</sub>) -5V
Collector Current (I<sub>C</sub>) -100mA
DC Current Gain (h<sub>FE</sub>) 110 – 800 (depends on model group)
Power Dissipation (P<sub>tot</sub>) 500 mW
Transition Frequency (f<sub>T</sub>) 150 MHz (typical)
Operating Temperature -65°C to +150°C

⚙️ Applications:

  • Signal amplification in audio and RF circuits

  • General-purpose switching (e.g., low-power LED or relay control)

  • Complementary pairing with BC547 (NPN)

  • Hobbyist and educational projects

  • Transistor-based logic and analog circuitry

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Specification

Overview

Weight Weight 0,0000 g