(115 Vac to 7.5 Vdc Fixed Output)


  • The PFA1 is a pulse width modulated ac to dc off-line converter that provides regulated 7.5 Vdc power up to 1.34 amperes.The output voltage is adjustable ± 1 volt by an internal trim pot and factory set to 7.5 Vdc at 1.34 amperes.The PFA1 output is isolated from H.V. input.
  • The PFA1 output is current limited.

Input Voltage: 115 Vac, 47 Hz to 440 Hz
Normal: 105 Vac to 125 Vac
Abnormal: 95 Vac to 130 Vac
Input Current: 0.23 Amps typical at 115 Vac & at FL
Output Voltage: 7.5 Vdc regulated (Factory set)
Output Current: 1.34 Amps continuous
  1.50 Amps intermittent
Regulation: 3% for load, 1% for line and 3% for temperature
Isolation: DC output is isolated from input and AC input is isolated from chassis GND.
Ripple/Spike: 71 Vrms maximum
Overload(OL): Deliver 110% output power for 2 hours
Protection(OL): Withstands without damage or degradation load exceeding 110% to an output short circuit. Unit delivers rated output power upon removal of the overload condition
Protection(SC): Under a output short circuit condition, the input and output currents pump and the currents are limited to safe values.
Altitude: 55,000FT
Temperature: -40° C to +71° C
Connector: Unit mates with MS3126F14-5S
Finish: Gold iridite per MIL-C-5541 & black paint
Weight: .50 LBS (227 grams)
Size: 1.56 H x 2.00 W x 5.00 L inches
  39.6 H x 50.8 W x 127.0 L mm
  Less protrusion of connector and screw heads


Outline Drawing | External Wiring



AC to DC Power Supplies