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MQHE-28-P Datasheet, PDF (9/17 Pages) SynQor Worldwide Headquarters – Very low DC resistance
MQHE-28-P
Current: 10A
Technical Specification
VOLTAGE SURGE AND SPIKE COMPLIANCE MATRIX
These tables show the Voltage Surge and Spike requirements/limits that have been met* by a stand-alone setup comprised of:
- MQME-28-P (or –T) Filter
- MQFL-28-05S DC/DC Converter
- 120W Resistive Load
- Metal Chassis Plane
Vehicle 28Vin
Part
MIL-STD-1275D
(Gen. + Bat.)
(Bat. only)
(Gen. only)
(Gen. + Bat.)
DEF STAN 61-5 (PART 6)/5†
(Bat. Only)
(Bat. Only, Non-Regen. Ld. Sw.)
(Bat. Only, Regen. Ld. Sw.)
(Gen. only)
DEF STAN 61-5 (PART 6)/6†
DIT08.B, DIT07.B
DET03.A
DET04.A
DIT04.A
Worst Case Over-Voltage Surge Short Duration Spikes
(Voltage/Duration)
(Voltage/Duration/Impedance)
40V / 50ms
100V / 50ms
100V / 50ms
±250V / 15mJ / 0.5Ω
40V / 50ms
+70V to -40V / 5ms §
+70V to -40V / 5ms §
80V / 80ms §
+130V to -100V max §
+90V to -60V / 10µs §
40V / 50ms
80V / 80ms §
100V / 50ms
+110V to -50V / 5ms §
+280V to -220V max §
+130V to -70V / 10µs §
+174V / 350ms
±200V / 200ns / 50Ω
40V / 50ms §
+70V to -40V / 1ms §
+90V to -60V / 10µs §
+110V / 300ms §
Aircraft 28Vin
Part
MIL-HDBK-704-8
(704A)
(704B, C, D, E, F)
(Cat A)
RTCA/DO-160E
(Cat B)
(Cat C)
Worst Case Over-Voltage Surge
(Voltage/Duration)
80V / 50ms
60V / 550ms
50V / 50ms
47V / 100ms
38V / 1s
60V / 100ms
40V / 1s
80V / 100ms
48V / 1s
Short Duration Spikes
(Voltage/Duration/Impedance)
N/A
±600V / 10µs / 50Ω
±200V / 10µs / 50Ω
N/A
Met by any Hi-Rel Filter
Met by an MQME-28-T Filter having the Transient Suppression
and Reverse Polarity Protection Features
Met by MQME-28E-T6 Filter Only:
Performance Criteria C
* Surge/spike requirements/limits are deemed to have been met as long as transient deviations in the converter’s output voltage
remain within ±10% of its initial value.
§ These are defined as the maximum disturbances that equipment can inflict upon the power system, not as disturbances imposed
upon utilization equipment. To ensure compatablitily, however, these are within the designed stress envelope of the indicated filters &
converters.
† For the DEF STAN 61-5 specification:
1) Negative surges require reverse voltage protection circuitry to protect the converter (but not the filter) from a negative input.
This circuitry is included in the MQME-28-T but not the MQME-28-P and MQHE-28-P filters.
2) The negative surges may cause the converter to shut down unless additional holdup capacitance is included.
3) Maximum spike voltages are assumed to last <1µs
Product # MQHE-28-P
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-0005267 Rev. G 05/27/16
Page 9