The SGK0910-120A-R from Sumitomo Electric Device Innovations is a RF Transistor with Frequency 9.2 to 10 GHz, Power 551 dBm, Power(W) 100 to 125.89 W, Gain 10 to 11.5 dB, Power Added Effeciency 0.35. Tags: Flanged. More details for SGK0910-120A-R can be seen below.