MODEL NO.
PSM250-405
SPECIFICATION
REVISION
01
DATE
2005.03.14
REV: 01 PAGE. 9
By used latch mode,
5. ENVIRONMENTS:
5.1. Temperatures:
Condition Minimum Maximum Unit
Operating 0 +50
℃
Storage -30 +85
℃
Temperature coefficient ±0.04% per ℃
5.2. Humidity:
It based on relative humidity and non-condensing.
Condition Minimum Maximum Unit
Operating 20% 90% RH
Storage 5% 95% RH
5.3. Altitude:
Operating – From sea level to 10,000 ft with 40℃ maximum ambient temperature.
Storage – From sea level to 40,000 ft.
5.4. Vibration and shock:
The PSU shall withstand forces of 2 G at variable recurrent frequencies of 10 to 55 Hz and a
simulated transportation test. The transportation test will consist of a 1/2 G vibration force at the
resonant frequencies of the board or components.
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