The 2N1617B from New Jersey Semiconductor is a Bipolar Junction Transistor with Emitter Base Voltage 7 V, Collector Base Voltage 75 V, Collector Emitter Voltage 50 V, Continuous Collector Current 0.5 A, Gain Bandwidth Product 60 MHz. Tags: Through Hole, NPN Transistor. More details for 2N1617B can be seen below.