Coilcraft, Inc. Flyback Transformers for Linear Technology LT3751 GA3459-BL

Flyback transformer designed for use with the Linear Technology LT3751 Capacitor Charger Controller to charge capacitors to 500 V, with a 5-24 V input range, 1500 Vrms isolation between windings, and a turns ratio of 1:10. It has a primary inductance of 5.0 µH at 0 A, a maximum primary DCR of 7.70 mΩ, and a peak primary current of 20 A. The transformer features a flux shield to minimize EMI, is packaged in a surface-mount tray with 24 units per tray, weighs 24.2-27.5 g, and operates from -40°C to +125°C ambient temperature. PCB land pattern dimensions are specified for pin placement and grounding of pin 6. Terminations are RoHS-compliant tin-silver over nickel over phosphor bronze, with MSL 1 moisture sensitivity rating and resistance to three reflow cycles at 260°C.