Mini-Circuits 1:4 CORE & WIRE Transformer, 3 - 800 MHz, 50Ω TC4-1WG2+

Surface mount RF transformer with a 1:4 impedance ratio, designed for 50Ω impedance matching in applications such as push-pull amplifiers, operating from 3 to 800 MHz. The component has an insertion loss of 0.8 dB typical at mid-band and maintains input return loss above 9 dB across the full frequency range. It supports operating temperatures from -55°C to +85°C, with a maximum RF power of 0.25 W and DC current of 30 mA. Package is AT224-3, measuring 4.83 mm in length, 3.81 mm in width and height, and 0.76 mm in height. The transformer is aqueous washable and compatible with RoHS solder systems.