The ATB2012E-75011-T01 is a balun transformer manufactured by TDK that is designed for use in RF circuits with an uneven number of electrical ports. It is constructed using surface mount technology and is compliant with the Restriction of Hazardous Substances (RoHS) directive. The transformer features an impedance ratio of 1:2 (75O:150O) and a bandwidth of 0 to 3GHz, making it well-suited for use in applications that require higher throughput. In addition, the ATB2012E-75011-T01 offers low insertion loss, high return loss, and superior balance capabilities.