The B0225J7575AHF from TTM Technologies is a Balun with Frequency 200 MHz to 2.5 GHz, Amplitude Balance ±1.4 to 3.2 dB, Phase Balance 24 to 40 Degree, Insertion Loss 0.4 to 1.2 dB, Power 0.5 W. Tags: Surface Mount, Unbalanced to Balanced. More details for B0225J7575AHF can be seen below.