The 2N3810HR from STMicroelectronics is a RF Transistor with Frequency 80 to 500 MHz, Duty_Cycle 0.015, Gain 60 to 450 dB(DC Current Gain), Small Signal Gain 150 to 600 dB, Voltage - Collector Base (Vcbo) -60 V. Tags: Surface Mount. More details for 2N3810HR can be seen below.