The SGC1011-300B-R from Sumitomo Electric Device Innovations is a RF Transistor with Frequency 9.8 to 10.5 GHz, Power 53.42 to 53.98 dBm, Power(W) 220 to 250 W, Gain 7.4 to 8 dB, Drain Efficiency 0.37. Tags: Surface Mount. More details for SGC1011-300B-R can be seen below.