You try to avoid theoretical maximums for production. Typically, power supplies supplied half that for peripherals (5A for both comes to mind). With the 14 AWG cable, you could get 11A on 12V circuit (Pins 1 and 2), 132W, and 11A on 5V circuit (Pins 3 and 4), 55W. And OP 44A/connector.įrom SuperUser (but no reference to external source) Is this a floppy disk connector to the power supply?: 1 special connector at the PSU 20 pin MOLEX 39-29-9202 connector at the PSU. Increase wire size to 14 AWG and you do get 11A/pin. 1 proprietary connector are: Xbox power supply connector (internal) pinout. Odds are that no actual circuit will have 18A sourced due to other factors. There are other factors: Ambient Temperature. All applications should be tested by the end user.Īs in designer is responsibe. are intended to be a guide in the selection of a connector family. That is 18A supplied and 18A sunk (Ground). 36A per connector theoretical maximum, if 105☌ and 30☌ are maintained. With every circuit energized, for a 4 in-line connector, with 18 AWG wire is 9A/pin. Derating connector due to adjacent conductors. Table shows number of circuits vs size of wire. The maximum current that can be carried is a function of the maximum temperature of the housing (105☌) and the maximum temperature of individual connection (30☌) (and maximum temperature of wire insulation) (and length of wire) (and ambient temperature). The problem is a little bit more complicated than that. Connect two Molex devices to a single Molex connector on the power supply Powers two drives (connected to LP4) Frees up power connections by combining two. So 4 pins at 11A/pin leads to the 44A of OP.
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