Coilcraft, Inc. NA5814, NA5919 Flyback Transformer for Microchip Microinverter AN1444 NA5919-AL

Flyback transformer designed for the Microchip AN1444 grid-connected solar microinverter, operating at 57 kHz with a 20-55 Vdc input and delivering a rectified sine wave output up to 100 W. Features 3000 Vrms isolation between primary and secondary windings, and 1500 Vrms isolation from windings to core. Primary inductance is 55.0 µH at 150 kHz and 0 A, with a peak current of 13.6 A. Primary DCR is 0.0480 Ω, leakage inductance is 1.58 µH, and the turns ratio is 1:4. Output voltage is 110 Vrms. Package dimensions are 35.56 mm × 30.48 mm × 12.7 mm. Weight is 90 g. Operates from -40°C to +85°C with MSL 1 moisture sensitivity and RoHS tin-silver-copper terminations. Supplied in trays of 20.