ATX12V Power Supply Design Guide
Version 2.0
3.4.3. No-load Operation .....................................................................................................26
3.4.6. Output Bypass ...........................................................................................................27
4. Mechanical......................................................................................................... 28
4.1. Labeling / Marking ..................................................................................................................28
4.2. Physical Dimensions ..............................................................................................................28
4.3. Airflow / Fan............................................................................................................................31
4.4. AC Connector .........................................................................................................................32
4.5. DC Connectors .......................................................................................................................32
5. Environmental ................................................................................................... 37
5.1. Temperature...........................................................................................................................37
5.3. Humidity..................................................................................................................................37
5.4. Altitude....................................................................................................................................37
5.5. Mechanical Shock ..................................................................................................................38
5.6. Random Vibration...................................................................................................................38
5.7. Acoustics ................................................................................................................................38
6.1. Emissions ...............................................................................................................................39
6.2. Immunity...................................................................................................................................39
7. Reliability ........................................................................................................... 41
7.1. Component De-rating .............................................................................................................41
8. Safety ................................................................................................................. 42
8.1. North America ........................................................................................................................42
8.2. International............................................................................................................................43
8.3. Proscribed Materials...............................................................................................................43
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