Description-
BC557 is a general-purpose Bipolar PNP transistor which has a gain value of 110 to 800. The maximum amount of current that can flow through the Collector pin is 100mA. When it is used as a switch, it operates in the saturation and cut-off region.
 
Specifications-
Transistor type : Bipolar PNP Transistor
Continuous Collector current : 100mA
Emitter Base Voltage : 6V
Base Current : 5mA
DC Current Gain (hFE) 110-800
Operating Temperature Range - 65 to 150?C
 
Applications / Suggested Uses -
Relay Driver
LED driver
Audio amplifier
Signal Amplifier
Darlington pair