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 practical leakage inductance. Turn ratios of 1:1 and 1:1.5 optimize coupling and enhance performance. Available with single or dual secondaries, these transformers constructed of UL rated 130 ºC materials are easily standardized at operating frequencies 200 kHz and beyond.
Unit of Measure

Specifications

Max. DCR 1-2

N/A 0.350 Ohm

Max. DCR Gate

N/A 0.650 Ohm

Min. ET Product

N/A 540 VµSec

Max. Leakage

N/A 2.5 µH

Min. Inductance

N/A 0.680 mH

Turns Ratio

N/A 1:1:1

Dimension (H)

N/A 1.20 in

Dimension (W)

N/A 1.04 in

Dimension (L)

N/A 1.10 in

Dimension (A)

N/A 0.150 in

Dimension (B)

N/A 0.700 in

Dimension (C)

N/A 0.600 in

Dimension (D)

N/A 0.450 in

Dimension (E)

N/A 0.850 in

Operating Frequency

N/A 200 kHz and beyond kHz

Weight

N/A 0.045 oz

Industry Standards

N/A UL

Technical Notes

N/A

  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 50% for unidirectional operation.
  3. Operation at rated current per winding renders approximately 40ºC temperature rise.

Note

N/A A GDE25 KIT is available which includes one of each of the above listed components.

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