Hi-Rel DC-DC Bus Converters
    Single board construction for higher reliability
Hi-Rel Series Bus Converters The MilQor® series of high-reliability DC-DC converters bring 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.  They are designed and manufactured to comply with a wide range of military standards.  
 
                       MQBQ Part Numbering                                                                                            Product Part Numbering Convention    Package Dimension Drawings
Model
Name
Nominal Input
Voltage Range
Output
Voltage
Package Outline
Pin Configuration
Screening
Grade
MQBQ: MilQor Hi-Rel Bus Converter 28: 18-40V
270: 230-400V
28B: 28V U
X
Y
W
Z
C
ES
HB
Part Numbering Example: MQBQ-28-28B-Y-ES
NOTE:  Not all combinations make valid part numbers. Please consult the factory for specific product availability.