The 2N5154HR from STMicroelectronics is a RF Transistor with Duty_Cycle 0.02, Gain 35 to 200 dB(DC Current Gain), Voltage - Collector Base (Vcbo) 100 V, Voltage - Collector Emitter (Vceo) 80 V, Voltage - Emitter Base 6 V. Tags: Surface Mount. More details for 2N5154HR can be seen below.