In miniature surface mount packages ranging in sizes from 3 mm to 7.8 mm, the HM42 Series gate-drive transformers provide 1.5 kVdc of isolation between gate and drive and 1.5 kVrms insulation between primary and secondary windings. The transformers
In miniature surface mount packages ranging in sizes from 3 mm to 7.8 mm, the HM42 Series gate-drive transformers provide 1.5 kVdc of isolation between gate and drive and 1.5 kVrms insulation between primary and secondary windings. The transformers are operational up to 1 MHz, making them viable for power circuits in switchmode power supplies and any power circuit where a power MOSFET is required. Features include an operating frequency range from 50 kHz to 1 MHz, DCRs from 0.6 Ohm to 2 Ohms for the primary and 0.3 Ohm to 2 Ohms for the secondary, turns ratios, depending on configuration, of 1:1, 1:1:1, and 2:1:1, and minimum primary inductances from 1,200 µH to 300 µH. Operating temperature ranges from -40° to +125°C. Typical pricing for the HM42 Series ranges from $0.64 to $0.82 each/10,000. BI TECHNOLOGIES, Fullerton, CA. (714) 447-2759.
