BC557BTA - Fairchild Semiconductor

Manufacturer Part Number

BC557BTA

Manufacturer

Fairchild (onsemi)

Introduction

A general-purpose PNP bipolar junction transistor suitable for a variety of analog and switching applications.

Product Features and Performance

Operates at high frequencies up to 150 MHz

High DC current gain (hFE) of 200 minimum at 2 mA, 5 V

Low collector-emitter saturation voltage of 650 mV at 5 mA, 100 mA

Collector-emitter breakdown voltage of 45 V

Collector current rating of 100 mA

Power dissipation of 500 mW

Product Advantages

Reliable performance in a wide range of applications

Small package size and through-hole mounting option

Excellent electrical characteristics for analog and switching circuits

Key Technical Parameters

Transistor Type: PNP bipolar junction transistor

Package: TO-92-3, TO-226-3 (TO-226AA) Formed Leads

Operating Temperature: 150°C (TJ)

Collector-Emitter Breakdown Voltage (Max): 45 V

Collector Current (Max): 100 mA

Collector Cutoff Current (Max): 15 nA

Collector-Emitter Saturation Voltage (Max): 650 mV

DC Current Gain (hFE) (Min): 200 @ 2 mA, 5 V

Transition Frequency: 150 MHz

Quality and Safety Features

Robust construction and high reliability

Compliance with relevant safety standards

Compatibility

Suitable for a wide range of analog and switching circuit applications

Application Areas

Amplifiers, switches, and general-purpose electronics

Consumer electronics, industrial controls, and telecommunications equipment

Product Lifecycle

This product is an active and widely available component

Replacement or upgraded options may be available in the future

Key Reasons to Choose This Product

Excellent high-frequency performance up to 150 MHz

High DC current gain for efficient amplification and switching

Low saturation voltage for efficient power transfer

Reliable and robust design for long-term use

Versatile package options and wide operating temperature range

Proven track record and availability from a reputable manufacturer