Intel ATX12V manual 2. +12 V Power Connector, Peripheral Connectors, Pin Signal AWG Wire

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ATX12V Power Supply Design Guide

Version 2.0

4.5.2. +12 V Power Connector

Connector: MOLEX 39-01-2040 or equivalent

(Mating motherboard connector is Molex 39-29-9042 or equivalent)

Signal

18 AWG Wire

1COMBlack

2COMBlack

Signal

18 AWG Wire

3+12V2DC Yellow /Black Stripe

4+12V2DC Yellow/ Black Stripe

4.5.3. Peripheral Connector(s)

Connector: AMP 1-480424-0 or MOLEX 8981-04P or equivalent.

Contacts: AMP 61314-1 or equivalent.

Pin	Signal	18 AWG Wire

1	+12V1DC	Yellow

2	COM	Black

3	COM	Black

4	+5VDC	Red

Image 35

Contents Version ATX12VImportant Information and Disclaimers Contents Electromagnetic Compatibility SafetyMechanical EnvironmentalTables FiguresMinimum Efficiency IntroductionScope Increased +12 VDC output capabilityTerminology Main Power ConnectorSeparate current limit for 12V2 on the 2x2 connector Description Applicable DocumentsDocument Title Inrush Current Limiting ElectricalAC Input Input Over-current ProtectionOther Certifications and/or Declarations Input Under-voltageRegulatory DC Output Voltage Regulation DC OutputCatastrophic Failure Protection DC Voltage RegulationRemote Sensing Typical Power DistributionCurrent Output Amps Power12V power watts Min MaxCross Loading Graph for 300W Configuration Typical Power Distribution for a 300 W ATX12V ConfigurationCross Loading Graph for 350W Configuration Typical Power Distribution for a 350 W ATX12V ConfigurationMin Max Peak Current Output Amps Typical Power Distribution for a 400 W ATX12V ConfigurationMinimum Efficiency Vs Load Power Limit / Hazardous Energy LevelsEfficiency GeneralLoading Table for Efficiency Measurements Energy Star Energy Star Input Power ConsumptionOther Low Power System Requirements Output Ripple/NoiseMax. Ripple & Noise MVpp DC Output Noise/RippleOutput Capacitive Loads Output Transient ResponseCapacitive Load DC Output Transient Step SizesVoltage Hold-up Time 10. +5 VDC / +3.3 VDC Power SequencingTiming / Housekeeping / Control Closed-loop StabilityPSON# Pwrok Signal CharacteristicsPwrok 3. +5 VSB PSON# Signal CharacteristicsRisetime Power-on TimeReset after Shutdown 8. +5 VSB at AC Power-downNo-load Operation Output ProtectionOver-voltage Protection Short-circuit ProtectionOutput Bypass Over-temperature ProtectionLabeling / Marking Physical DimensionsMechanical Second optional fan may go in this location Second optional Airflow / Fan DC Connectors AC Connector+12V1 +5V +33V 12V+5V Pin Signal Color ATX Main Power ConnectorPin Signal AWG Wire 2. +12 V Power ConnectorPeripheral Connectors Connector Molex 39-01-2040 or equivalentConnector AMP 171822-4 or equivalent Pin Signal AWG Wire Serial ATA Power ConnectorFloppy Drive Connector Wire SignalHumidity TemperatureEnvironmental Thermal Shock ShippingAcoustics Mechanical ShockRandom Vibration Immunity Electromagnetic CompatibilityEmissions Harmonic Limits, Class D Equipment Input Line Current Harmonic Content and Line FlickerMagnetic Leakage Fields Component De-rating ReliabilityNorth America SafetyProscribed Materials International