标准ATX电源尺寸

ATX12VSpecificGuidelines2.37212.2PhysicalDimensions-REQUIREDFigure28.PowerSupplyDimensionsforChassisthatdoesnotRequireTopVenting3.Tolerances:X+/-1X.X+/-0.54.Ifawiregrillisrequiredforacousticsorthermals,thegrillandscrewsmustbeflushmounted.Airinletgrill,55%openarea.Optionalairinletarea.Optionalairinletarea.53REFWIREHARNESS16REF150REF20.0(2X)4.0X6(2X)146.0140REFNo.6-32UNC-2BTHREADEDHOLE(4X)138.086REF74.06.0114.064.016.06.0(2X)Notes;unlessotherwisespecified:1.Dimensionsareinmm.2.Drawingisnottoscale.SeeNote4.psu_grillsPreferredlocationsofmanufacturerlabel73ATX12VSpecificGuidelines2.3Figure29.PowerSupplyDimensionsforChassisthatRequireTopVenting53REFWIREHARNESS16REF150REF20.0(2X)4.0X694.011.0x5.0cutouts(4X);min6.0clearanceundercutoutfrominsidetopcover.SeeNote5.Areaontopsurfaceinsidedottedlinesshouldhave60%minimumopenareaforproperventing.Eightrectangularholesareforairductmountingtodirectairflowacrossprocessorheatsink.146.0140REF5.05.086REF80.045.08.0114.0138.03.Tolerances:X+/-1X.X+/-0.54.Ifawiregrillisrequiredforacousticsorthermals,thegrillandscrewsmustbeflushmounted.5.Bottomside(notpictured)maybeuser-accessibleinfinalsysteminstallation.Coveropeningsasnecessarytopreventaccesstonon-SELVcircuitryandtomeetproductsafetyrequirements.No.6-32UNC-2BTHREADEDHOLE(4X)Notes;unlessotherwisespecified:1.Dimensionsareinmm.2.Drawingisnottoscale.64.016.06.0(2X)114.0SeeNote4.9.0x3.2cutouts(4X);min5.0clearanceundercutoutfrominsidetopcover.74.06.0psu_duct_mountPreferredlocationofmanufacturerlabel