The T-626-KK81+ from Mini Circuits is a Balun with Frequency 0.01 to 10 MHz, Insertion Loss 0.12 to 1.48 dB, Current 30 mA, Power 0.25 W, Return Loss 6.06 to 33.34 dB. Tags: Surface Mount, Unbalanced to Balanced. More details for T-626-KK81+ can be seen below.