
thinking inside the box
AC/DC CONVERTER VM - 11918
ENVIRONMENTAL
Humidity:
MIL-STD-810F, Method 507.4.
Shock:
MIL-STD-810F, Method 516.5 Procedure I.
Amplitude 20g / 15ms
Vibration:
The unit will perform to specification during and after
the vibration profile detailed in MIL-STD-810F,
Method 514.5 for Propeller aircraft, Jet aircraft and
Ship board environments.
Acceleration:
MIL-STD-810F, Method 513.5, Procedure I & II
Aircraft.
Salt Fog:
MIL-STD-810F, Method 509.4.
Explosion Atmosphere:
MIL-STD-810E, method 511.4.
Storage Temperature:
-55C to +105C.
Altitude:
The PSU is capable of operation from -17,500 to
+55,000 feet.
Construction:
Chassis is of non hermetic construction utilising
Aluminium alloy with Chromate conversion coating.
Printed Circuit assemblies are conformal coated with
Humiseal 1B31 coating or equivalent.
Input and output connections DIN 41612 type M
Class 1. See connector pin out.
Component Selection:
All components are selected for use over the
specified operating and storage temperatures.
Components are selected from well known high
quality manufacturers. Component de-rating is in
general accordance with NAVMAT P4855-1A.
Reliability [Calculated Using MIL- HDBK-217F]
Warranty:
All products carry a 12 month warranty from date of
delivery.
Environment
AUF
ARW
NS
GM
Temperature
85C
55C
40C
25C
MTBF
6,500 hrs
10,200 hrs
51,000 hrs
42,000 hrs
Mass:
Less than 1.2 kilograms.
Maintainability:
No routine servicing or adjustment required. The
units are repairable down to component level.
Shelf Life:
The shelf life of the units is a minimum of 10 years
at a maximum temperature of +40C.
ESS:
Each unit is subjected to 10 minutes of random
vibration, perpendicular to the plane of the PCB,
followed by 48 hours of temperature cycling between
-55C and +85C with the outputs fully loaded.
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