The BD433 from Lision Technology is a Bipolar Junction Transistor with Emitter Base Voltage 5 V, Collector Base Voltage 22 V, Collector Emitter Breakdown Voltage 22 V, Collector Emitter Voltage 22 V, Continuous Collector Current 4000 mA. Tags: Through Hole, NPN Transistor. More details for BD433 can be seen below.