Coilcraft, Inc. WBT2.5-6L WBT2.5-6L

Wideband transformers with center-tapped primary and secondary windings for impedance matching in RF applications, available in surface mount and through-hole versions, measuring 10.16 mm × 7.62 mm × 3.05 mm with a weight of 0.38-0.40 g. The WBT2.5-6L variant has a 1:2.5 impedance ratio, 3 dB bandwidth from 0.050 MHz to 100 MHz, insertion loss of 0.26 dB, primary inductance of 70 µH at 100 kHz, primary DCR maximum of 150 mΩ, secondary DCR maximum of 200 mΩ, and a DC imbalance rating of 11 mA. It supports up to 250 mA maximum current, operates from -40°C to +85°C, and is rated for 500 Vrms interwinding isolation. Termination is RoHS-compliant matte tin over nickel over phosphor bronze with MSL 1 moisture sensitivity. Packaging is 70 parts per tube for through-hole versions.