 MH
Series (MH500S)
500 Watt Single Output Power Supply
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Features
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500 watt switching 100 KHz power supply.
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High efficiency, 65% minimum.
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Standard soft-start, overvoltage protection
and short circuit protection.
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 Click
here for datasheet (PDF)
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Specifications
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Input:
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103.5-126.5 Vac, 47-440 Hz, single
phase. For 207-253 Vac input, add "(230)" at the end
of the model number.
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Efficiency:
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65% minimum.
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Line Regulation:
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25 mV or withing 0.2%, whichever
is greater, for input change of 103.5 to 126.5 Vac with load constant.
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Load Regulation:
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25 mV or 0.2%, whichever is greater
for change from no load to full load with line constant.
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Pard (Noise and Ripple):
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50 mV rms, 100 mV P-P maximum at 25 MHz bandwidth.
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Isolation Voltage:
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500 Vdc, input to output; 500 Vdc,
input to case; 100 Vdc, output to case.
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Insulation Resistance:
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50 Mohms between input and output,
input and case, output and case, when measured at 50 Vdc.
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Polarity:
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Inputs and outputs are isolated.
Either positive or negative side of output may be grounded.
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Temperature Range:
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Operating: 0°C to +71°C maximum,
at center of the mounting. Storage: -55°C to +85°C, ambient.
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Temperature Coefficient:
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0.03% / °C maximum over entire temp range.
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Input Transient Protection:
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Unit will provide normal regulated
output and withstand 180 Vac for 0.1 second, in accordance with
MIL-STD-704A.
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Load Transient Recovery:
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Output voltage returns to regulation
limits within 300 microseconds after 50% change in load current.
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Holdup time:
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20ms after nominal input is lost at full load.
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Short Circuit Protection:
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Completely protected against a short
circuit of any duration. Output automatically restores to normal
when overload is removed.
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Overvoltage Protection:
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A non-crowbar type OVP. Input must
be recycled to restore output.
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Remote Sensing:
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Regulator monitors voltage directly
at the load using extra "sensing" leads and compensates
for a dc voltage drop up to .3 volt in the load leads.
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EMI:
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Units were designed and tested to
the requirement of MIL-STD-461B, Class A1B, for generation of and
susceptibility to radiated and conducted interference. For further
details and reports, consult your nearest sales office.
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Reliability:
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MTBF is calculated per MIL-HDBK-217D
at 50°C baseplate temperature with maximum operating input voltage
and maximum rated output power. The MTBF for MH500S at ground benign
environment is 54,530 hours.
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Environment:
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Encapsulated and hermetically sealed
to meet the environmental requirements of MIL-STD-810C, MIL-S-901C,
and MIL-E-5400P, Class 2, including altitude (to 70,000 feet),
vibration, shock, acceleration, sand, dust, humidity, saltspray,
fungus, explosion, etc.
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Connectors:
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Standard unit is provided with an
input solder pin header and an output "hermetic seal" stud-type
connector.
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Single
Output
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Output Voltage Range
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Output Current (Amps)
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Weight (oz.)
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Size (inches)
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MH500S/5-DE
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4.75-5.25
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100
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15
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7 x 10 x 3.5
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MH500S/12-DE
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11.40-12.60
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41.67
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15
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7 x 10 x 3.5
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MH500S/15-DE
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14.25-15.75
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33.33
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15
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7 x 10 x 3.5
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MH500S/24-DE
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22.80-25.20
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20.83
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15
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7 x 10 x 3.5
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MH500S/28-DE
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26.60-29.40
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17.86
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15
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7 x 10 x 3.5
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Model
Numbering System
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Model Series
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Total Output Power
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Number of Outputs
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Main Output Voltage
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Header Type
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Encapsulation (Standard)
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Options
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MH
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500
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S
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/
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12
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-
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D
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-
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E
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-
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R
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Options
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A Option:
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Special Connectors. A military-type
hermetically sealed connector is provided in place of our standard
input header. To order, replace the "D" in the model
with "A".
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H Option:
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Wide Input Voltage. Unites will
operate either from 115 Vac±15%. To order, add an "H" after
the "E" in the model number.
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L Option:
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Remote Turn On/Off. Provides isolated
terminals to turn output on/off with TTL logic signal. To order,
add "L" after "E" in the model number.
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R Option:
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Remote Output Adjustment. An adjustment
potentiometer can be remotely located to adjust the output voltage.
To order, add "R" after "E" in the model number.
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T Option:
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Wider Operating Temperature. -20°C
to +71°C. To order, add "T" after "E" in the
model number.
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-ER Option:
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Provides increased reliability by
using higher levels of military grade components.
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-3 Option:
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WYE Input. Changes input to 3-phase,
4-wire "WYE". To order, add "-3" to the end
of the model number.
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-6 Option:
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Three Phase Delta Input. Changes
input to 3-Phase Delta. To order, add "-6" to the end
of the model number.
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-8 Option:
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Variable Input. Allows input to
be either 115 Vac or 230 Vac, selectable by input pin wiring, 47
- 440 Hz. To order, add "-8" to the end of the model
number.
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