1102 Silver Lake Road, Cary, IL 60013-9919 800/322-COIL Fax 847/639-1469 email: [email protected] web: www.coilcraft.com THROUGH HOLE FLYBACK TRANSFORMER: W7422-A FOR USE WITH MOTOROLA SEMICONDUCTOR MC33374 DC-DC CONVERTER The Coilcraft W7422-A Flyback Transformer has been specifically designed for use in 50 W, 15 V power DC-DC converters, using Motorola Semiconductor MC33374 converter family. Electrical Specifications: Part Number Inductance1 (± 10%) W7422-A 340 µH Pins DCR (Max) Output Input 6-5 .187 Ω 15 VDC 92-276 Vac 7-4 .044 Ω 3.5 Amps 1, 2-10, 9 .014 Ω Notes: 1. Inductance tested at 10 kHz, 0.1 Vrms on Pins 6-5.