BC557 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
 
Features
Bi-Polar PNP Transistor
DC Current Gain (hFE) is 300 maximum
Continuous Collector current (IC) is 100mA
Emitter Base Voltage (VBE) is 6V
Base Current(IB) is 5mA maximum
Available in To-92 Package
 
Applications
Driver Modules like Relay Driver, LED driver, etc.
Amplifier modules like Audio amplifiers, signal Amplifiers,s, etc.
 Darlington pair
 
Datasheet