SilverStone SG05 Power supply - Manual (Page 6)

Issued Date: 2009-January-19
Copyright © 2009 SilverStone Technology Co., Ltd. All Rights Reserved
6
5.0 FAN NOISE REQUIREMENTS
5.1.The subject power supply is cooled by a self-contained, 80mm×15mm, 12VDC fan
6.0 ENVIRONMENTAL REQUIREMENTS
The power supply will be compliant with each item in this specification for the following
Environmental conditions.
The maximum continuous power rating of supply is 300W at 50?
6.1. TEMPERATURE RANGE
Operating +10 to +50 deg. C
-20 to +80 deg. C
5 –95% RH, Non-condensing
5 –95% RH, Non-condensing
Storage
6.2. HUMIDITY
Operating
Storage
6.3. VIBRATION
TThe subject power supply will withstand the following imposed conditions without experiencing
non-recoverable failure or deviation from specified output characteristics.
Vibration Operating – Sine wave excited, 0.25 G maximum acceleration, 10-250 Hz swept at one
octave / min. Fifteen minute dwell at all resonant points, where resonance is defined as those
exciting frequencies at which the device under test experiences excursions two times large than
non-resonant excursions.
Plane of vibration to be along three mutually perpendicular axes.
6.4. GROUND LEAKAGE CURRENT
The power supply groud leakage current shall be less than 3.5 mA.
6.5. RELIABILITY
The power supply reliability,when calculated by MIL-HDBK-217;latest revision, are exceed
100,000 hours with all output at maximum load and an ambient temperature of 25?.
6.6. DIELECTRIC STRENGTH
Primary to Frame Ground : 1800 Vac for 1 sec.
Primary to Secondary : 1800Vac for 1 sec
6.7. INSULATION RESISTANCE
Primary to Frame Ground : 20 Meg.ohms Minimum
Primary to Secondary : 20 Meg.ohms Minimum