DIGITAL TRANS, NPN, 50V, 0.5A, SOT-23; Transistor Polarity:Single NPN; Collector Emitter Voltage Max NPN:50V; Collector Emitter Voltage Max PNP:-; Continuous Collector Current:500mA; Base Input Resistor R1:1kohm; No. of Pins:3 Pin RoHS Compliant: Yes