The HSD1609S from Lision Technology is a Bipolar Junction Transistor with Emitter Base Voltage 5 V, Collector Base Voltage 160 V, Collector Emitter Breakdown Voltage 160 V, Collector Emitter Voltage 160 V, Continuous Collector Current 100 mA. Tags: Through Hole, NPN Transistor. More details for HSD1609S can be seen below.