Coilcraft, Inc. Base/Gate Driver Transformers SD250-3L

SD250-3L is a base/gate driver transformer with a 1:1:1 turns ratio, 1.5 mH minimum primary inductance, 4.0 µH maximum leakage inductance, and 0.75 Ω maximum DCR per secondary section. It supports a volt-time product of 375 V-µsec, offers 3750 Vrms one-minute isolation between primary and secondary windings, and 1500 Vrms between secondaries. The transformer features a 50 pF maximum primary-to-secondary capacitance, operates from -40°C to +85°C, and meets UL1446 Class B (130°C) insulation standards. It is housed in a 10-pin surface-mount package with dimensions of 27.94 mm × 15.75 mm × 10.03 mm and weighs 15.6-16.8 g. Termination is tin-silver over tin over copper, supplied in trays of 64.