The 2N1724 from New Jersey Semiconductor is a Bipolar Junction Transistor with Emitter Base Voltage 10 V, Collector Base Voltage 175 V, Collector Cut off Current 0.4 mA, Collector Emitter Breakdown Voltage 80 V, Collector Emitter Voltage 80 V. Tags: Screw Mount, NPN Transistor. More details for 2N1724 can be seen below.