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    Table 1. DC current capacity (Imp)
    Voltage Maximum Current
    +3.3 V 61 A
    +5 V 48 A
    +12 V 62 A
    -12 V 4 A
    5 VAUX 2.0 A
    Note  

    Maximum total usable power is 791 W.

    Table 2. Backplane slot current capacity
    Slot +5 V V (I/O) +3.3 V +12 V -12 V 5 VAUX
    System Controller Slot 15 A - 15 A 30 A - 1 A
    System Timing Slot - - 6 A 4 A - 1 A
    Hybrid Peripheral Slot with PXI-1 Peripheral 6 A 5 A 6 A 1 A 1 A -
    Hybrid Peripheral Slot with PXI-5 Peripheral - - 6 A 4 A - 1 A
    PXI-1 Peripheral Slot 6 A 11 A 6 A 1 A 1 A -
    Note  

    Total system slot current should not exceed 45 A.

    PCI V(I/O) pins in PXI-1 peripheral slots and hybrid peripheral slots are connected to +5 V.

    The maximum power dissipated in the system slot should not exceed 140 W.

    The maximum power dissipated in a peripheral slot should not exceed 38.25 W.

    Table 3. Load regulation
    Voltage Load Regulation
    +3.3 V <5%
    +12 V <5%
    +5 V <5%
    -12 V <5%
    Table 4. Maximum ripple and noise (20 MHz bandwidth)
    Voltage Maximum Ripple and Noise
    +3.3 V 50 mVpp
    +12 V 50 mVpp
    +5 V 50 mVpp
    -12 V 50 mVpp
    Over-current protection All outputs protected from short circuit and overload with automatic recovery
    Over-voltage protection
    3.3 V and 5 V Clamped at 20 to 30% above nominal output voltage
    Power supply shuttle MTTR Replacement in under 5 minutes