The GT04-122-189-_ from ICE Components is a Gate Drive Transformer that is ideal high-powered DC/DC converters and offline AC/DC converters applications. This transformer has a leakage inductance of 250 nH and a turns ratio of 1:2.5:2.5. It has a self-resonant frequency (SRF) of 1.2 MHz. This transformer is available in a through-hole package that measures 20.57 x 12.19 mm.