Coilcraft, Inc. WB Through Hole Wideband RF Transformers WB1-1L

The WB1-1L is a through-hole wideband RF transformer with a 1:1 impedance ratio, operating from 0.100 to 350 MHz, featuring a maximum insertion loss of 0.50 dB, primary and secondary inductance of 25 µH, and a maximum DC resistance of 100 mΩ on both windings. It supports a maximum current of 250 mA and handles up to 1/4 W RF input power. The transformer has 500 Vrms interwinding isolation for one minute, operates from -40°C to +85°C, and is RoHS compliant with matte tin over nickel over phosphor bronze terminations. It weighs 0.38-0.40 g and uses a through-hole package with dimensions of 0.394 × 0.200 × 0.120 inches. The part is packaged in tubes of 70 units.