The CU4S0506AC-740-00 from TDK is a RF & Microwave Circulator with Frequency 734 to 746 MHz, Bandwidth 12 MHz, Average Power Forward 5 W, Insertion Loss 1.15 dB, Isolation 12 dB. Tags: Surface Mount, Surface Mount Circulator. More details for CU4S0506AC-740-00 can be seen below.