MIL-STD DC DC Power Supply

The M22820-2-x is a MIL-STD DC DC Powers Supply that accepts a nominal 28 VDC Input and provides +3.3, 5, 12 or 15 VDC output up to a higher wattage.

Qualified to several Military Standards and is suitable for Defence applications.

EON Instrumentation’s Model M22820-2-x is a MIL-STD DC DC Power Supply housed in an Aluminium Chassis. Firstly, it weighs 181 grams to 1.36 kgs (model dependant) and it contains 1 x 6 Pin MS3899 connector.

Secondly, there are several variations of this model available.  Such as:

  • MS22820-2-x accepts a 28VDC nominal input and provides a +/-15VDC Output up to 10W
  • MS22820-2 replaces the EON M139-5
  • Output voltages in the “x” model can be +/- 3.3, 5, 12 or 15 vdc and higher voltage if required.
  • Subassembly Power Supplies without the chassis are also available in this model.

Thirdly, the power supply is qualified for the EMI requirements of MIL STD 461 & MIL-STD 704.  As well as the environmental requirements of MIL-STD-810E.

Features of the MIL-STD DC DC Power Supply include


Model #Input VoltageStandard ConnectorOutput PowerStandard Output Voltages (VDC)


Unique Features
M139-418-36 VDC1 x MilS25W+/-15Multiple Outputs
M139-518-36 VDC1 x MilS10W++/-5Extreme Environment Qualified – Ground Vehicle Operations
M139-618-36 VDC2 x MilS50W+28Extreme Environment Qualified – Ground Vehicle Operations with 200msec hold up
M22820-2-x16-40 VDC2 x MilS20W++/-15X – multi +/- available. 3.3, 5, 12, 15. Misc. Applications


For more information, contact us.

EON Instrumentation MIL STD Power Supply Systems

EON Instrumentation manufactures customised rugged power supplies.  These units can be used as standalone or subassemblies to integrate with other electronics.

EON specialises in 5 watt to 500 watt single or multi output configurations.

The AC inputs supported include 115/220, 60-400Hz VAC which are single or three phase.  However, the DC input commonly supported is 9-45VDC.  Where the DC outputs include (+/-) 3.3, 5.0, 12.0, 15.0, 22.0, 24.0 and higher.  Therefore, making the overall efficiencies 85% or better and holding up from 10 to 200ms.

Connectors are typically MilStd Circular or DIN/Molex type.  The standard connector types can also be easily modified.

All Rugged Power supply products are Military Qualified to MIL STD 810/461/704/1275/901D; DO160 and other applicable standards.

These products are used in Airborne, Ship and ground vehicle applications.

M22820-2 DC DC Power Supply

MIL STD DC DC Power Supply Family