KST  -  Series DataSheet
KST4401  -  Switching Transistor  -  Fairchild Semiconductor Corporation  -  Small Signal Transistor

NPN Epitaxial Silicon Transistor
Symbol Parameter Value Units
VCBO Collector-Base Voltage 60 V
VCEO Collector-Emitter Voltage 40 V
VEBO Emitter-Base Voltage 6 V
IC Collector Current 600 mA
PC Collector Dissipation 350 mW
TSTG Storage Temperature 150 °C