35 Watt AC-DC PFC : HGMB-35

High-Reliability DC-DC Converter

High-Reliability DC-DC Converter

2 x 3 inch footprint


High-Reliability DC-DC Converter HGMB-35 Datasheet



• AC-DC Isolated 35W Power Factor Corrected Module
• 115 VAC single phase
• Input range : 95 - 140 VAC
• Variable frequency : 320 - 800 Hz
• MIL-STD-704, DO-160, ABD100 compliant
• Low input current harmonic distortion < 10%
• 2 isolated 17V outputs
• Active inrush current limitation
• Isolation : 1,500 Vrms
• Inhibit function


The Gaia Converter HGMB-35-W-17 active power factor corrected AC/DC isolated module  is designed to be compatible with the latest airborne input bus with single-phase 115VAC/400Hz variable frequency.  Gaia's HGMB-35 High-Reliability AC-DC PFC is designed for higher operating temperatures of -40 to +105°C (optional -55°C) for typical military & airborne applications:

The HGMB-35 comes with 2 isolated 17 Vdc outputs which can be connected in series for a  34 Vdc output, or paralleled or kept independent.

The HGMM-35 includes a soft start, a permanent short circuit protection and an inhibit function. The soft-start allows current limitation and eliminates inrush current during start-up. The short circuit protection completely protects the module against short-circuits of any duration by a shut down and restores to normal when the overload is removed.

The HGMB-35 is compliant with numerous avionics/military standards:

 Airbus standards ABD100 :
   • permanent input range : 108-122Vac
   • transient : 71Vac/15ms - 180Vac/100ms
   • variable frequency : 360 - 800 Hz
   • power factor : > 0,95

International standard DO-160E/F/G :
   • permanent input range : 100-122Vac
   • transient : up to 180Vac/100ms

US military standard MIL-STD-704E/F :
   • permanent input range : 108-118Vac
   • transient : 80Vac/10ms - 180Vac/100ms

Available Options (see specs for details):
• T = -55°C Start-Up Temperature
• S = Screening & Serialization

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