The SGC0910-300B-R from Sumitomo Electric Device Innovations is a RF Transistor with Frequency 9 to 10 GHz, Power 53.71 to 54.31 dBm, Power(W) 235 to 270 W, Gain 7.7 to 8.3 dB, Drain Efficiency 0.38. Tags: Surface Mount. More details for SGC0910-300B-R can be seen below.