
26 • Power Supply Unit
• Operating temperature: 0°C to 70°C
When the ambient temperature is over 40°C (115V/230V) , the
output power should be de-rated as following curve:
• Storage temperature: -40°C to +75°C
• Operating humidity: The power supply can operate from 5%
humidity to 95% humidity non-condensing at 40°C
u Regulatory Agency Certification
• Safety standards: Designed to meet the following standards:
UL 1950
CSA 22.2 NO.234
EN 60950
• EMI standards: Designed to meet the following radiated limits:
FCC class “B”
EN55022 class ”B”
• EMS standards: Designed to meet the following standards:
IEC-801-2 8KV air discharge
IEC-801-3 3V/M
IEC-801-4 2KV
IEC-801-5 2KV
u ATX Power Connector definition
Signal Pin No.
Pin No. Signal
+3.3V 1 11 +3.3V
+3.3V 2 12 -12V
GND 3 13 GND
+5V 4 14 PS_ON
GND 5 15 GND
+5V 6 16 GND
GND 7 17 GND
PWR_OK 8* 18 -5V
+5V SB 9* 19 +5V Sense
+12V 10 20 +5V
Kommentare zu diesen Handbüchern