The BC337 from Lision Technology is a Bipolar Junction Transistor with Emitter Base Voltage 5 V, Collector Base Voltage 50 V, Collector Emitter Breakdown Voltage 45 V, Collector Emitter Voltage 45 V, Continuous Collector Current 800 mA. Tags: Through Hole, NPN Transistor. More details for BC337 can be seen below.