The KSC5021F from Lision Technology is a Bipolar Junction Transistor with Emitter Base Voltage 7 V, Collector Base Voltage 800 V, Collector Emitter Breakdown Voltage 500 V, Collector Emitter Voltage 500 V, Continuous Collector Current 5000 mA. Tags: Through Hole, NPN Transistor. More details for KSC5021F can be seen below.