The CU1S2403AC-788-00 from TDK is a RF & Microwave Circulator with Frequency 773 to 803 GHz, Bandwidth 30 MHz, Average Power Forward 100 W, Insertion Loss 0.25 dB, Isolation 20 dB. Tags: Surface Mount, Surface Mount Circulator. More details for CU1S2403AC-788-00 can be seen below.