MilQor Hi-Rel DC-DC Converters
    Full power operation at -55C to +125C meets high reliability needs of the military/aerospace markets
MilQor Series HI-Rel DC-DC Converters The MilQor series of high-reliability DC-DC converters brings SynQor's field proven high-efficiency synchronous rectifier technology to the Military/Aerospace industry. SynQor's innovative QorSeal™ packaging approach ensures survivability in the most hostile environments. Compatible with the industry standard format, these converters operate at a fixed frequency, have no opto-isolators, and follow conservative component derating guidelines.
Hi-Rel Product Links
Product Part Numbering Convention
Package Dimension Drawings
  PRODUCT FAMILIES (not to scale)
Input Range: 5.5-50V
Max. Power: 100W
Efficiency: 90%
Input Range: 5.5-80V
Max. Power: 100W
Efficiency: 90%
Input Range: 16-50V
Max. Power: 120W
Efficiency: 91%
Input Range: 16-80V
Max. Power: 120W
Efficiency: 90%

Input Range: 65-475V
Max. Power: 75W
Efficiency: 87%
Input Range: 155-475V
Max. Power: 120W
Efficiency: 88%
Product Highlights
  • Fixed switching frequency
  • No opto-isolators
  • Parallel operation with current share
  • Remote sense
  • Clock synchronization
  • Primary and secondary referenced enable
  • Continuous short circuit and overload protection
  • Input under-voltage lockout/over-voltage shutdown
  • Conduction cooled mechanical packaging
    In-Line Manufacturing Process:
  • AS9100 & ISO 9001 certified facility
  • Full component traceability
  • Temperature cycling
  • Constant acceleration
  • 24, 96, 160 hour burn-in
  • Three level temperature screening
    Qualification Process
    Hi-Rel series converters are qualified to:
  • MIL-STD-810F (consistent with RTCA/D0-160E)
  • SynQor's First Article Qualification (consistent with MIL-STD-883F)
  • SynQor's Long-Term Storage Survivability Qualification
  • SynQor's on-going life test
    Specification Compliance:
    Hi-Rel series converters (with a Hi-Rel filter) designed to meet (model dependant):
  • MIL-HDBK-704 (A through F)
  • RTCA/DO-160E Section 16
  • MIL-STD-1275D
  • DEF-STAN 61-5 (part 6)/5
  • MIL-STD-461 (C, D, E)
  • RTCA/DO-160E Section 22
    Design Process:
    Hi-Rel series converters are:
  • Designed for reliability per NAVSO-P3641-A guidelines
  • Designed with components derated per MIL-HDBK-1547A and NAVSO P-3641A