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BC557
PNP general purpose transistor (Uce=45V, Ic=0.1A, P=625mW).
VCBO Collector-Base Voltage : -50 V
VCEO Collector-Emitter Voltage : -45 V
VEBO Emitter-Base Voltage 5 V
IC Collector Current (DC) 0.1 A
PC Collector Dissipation (TC=25°C) 0.625 W
B=125-800@I=2mA
f>150MHz
-55 to +150C