Switchmode/High Frequency Gate Drive Transformers GDE25-4 Description: Triad gate drive transformers are used universally in all high frequency switching topologies to isolate the control circuitry from the line-connected switches. The Windings are interleaved for the lowest possible leakage inductance. Turn ratios optimize coupling and enhance performance. Available with single or dual secondaries, these transformers are constructed of UL rated 130° materials and are easily standardized at operating frequencies of 200 kHz and beyond. Electrical Specifications (@25C): Max Max Min. Max. Min. Turns DCR 1-2 DCR Gate ET Product Leakage Inductance Ratio .875 Ω .650 Ω 840 VµSec 3.5 µH 1.50 mH 1.5:1:1 1.100 Weight: .045 oz. 1.20 Technical Notes: 1. Drive to gate winding hi-pot tested at 3,750 VRMS. 2. Derate ET product by 32% for 50 kHz, 50% for 100 kHz and for unidirectional operation. 3. Operation at rated current per winding renders approximately 40° temperature rise. .025 SQ .150 MIN .280 MAX .700 1.040 Schematic: .600 .200 .650 3 .850 GATE 1 4 DRIVE 2 5 .700 GATE 2 6 1 .040 DIA TYP 6 5 .850 RoHS Compliance: As of manufacturing date February 2005, all standard products meet the requirements of 2011/65/EU, known as the RoHS initiative. 460 Harley Knox Blvd. Perris, California 92571 .200 2 PLCS MOUNTING HOLE PATTERN TOP VIEW * Upon printing, this document is considered “uncontrolled”. Please contact Triad Magnetics’ website for the most current version. Web: www.TriadMagnetics.com Phone 951-277-0757 Fax 951-277-2757 .600 4 3 Publish Date: December 4, 2013