The 2N1166 from New Jersey Semiconductor is a Bipolar Junction Transistor with Emitter Base Voltage 30 V, Collector Emitter Voltage 45 V, Continuous Collector Current 25 A, DC Current Gain 15 to 65, Power Dissipation 94 W. Tags: Through Hole, PNP Transistor. More details for 2N1166 can be seen below.