The CHZ180A-SEB from United Monolithic Semiconductors is a RF Transistor with Frequency 1.2 to 1.4 GHz, Power 52.55 dBm, Power(W) 180 W, Saturated Power 52 to 54 W, Duty_Cycle 0.1. Tags: Flanged, Ceramic. More details for CHZ180A-SEB can be seen below.