The SGC8598-50A-R from Sumitomo Electric Device Innovations is a RF Transistor with Frequency 8.5 to 9.8 GHz, Power 47 to 48 dBm, Power(W) 50.12 to 63.1 W, Power Gain (Gp) 10 to 11 dB, Power Added Effeciency 0.4. Tags: Flanged. More details for SGC8598-50A-R can be seen below.