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Ifdr Dual USB 250-201 Power Supply For Remote Instruments

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Part# 13-19304
MFR Model# IFDR250-201


Reliable Dual USB Power for your Components and iFDR iPad Pro and iPhone 6/7/6+/7+ Panel Mounts
Approved for Installation in Certified Aircraft and Rotorcraft!

The iFDR Power 250-201 is remote mounted Dual USB-A power / charging unit designed to mount behind the instrument panel and provide reliable power for up to two iPad/iPhone docks or any two components with USB charge capabilities. The iFDR Power 250-201 simultaneously provides 2.1 amps at 5 VDC 0.25 (10 watt) for each USB connection. Power input and output is hard wired into the 15-pin connector and can accept 9-48 VDC aircraft power and will convert down to 5 VDC.

The iFDR Power 250-201 is a smart USB charger and features a feedback loop to keep the 2.1 amp current stable at all times. The units are EMI shielded and also feature reverse polarity protection.

Approved for FAA Certified Part 23 Aircraft and Part 27 and 29 Rotorcraft
All iFDR Power 250 USB Power Supplies from Guardian Avionics are approved for installation in certified aircraft and rotorcraft under 14 CFR Part 23, 27 and 29 as "Non-Required Safety Enhancing Equipment" (NORSEE) as outlined in FAA memorandum number PS-AIR-21.8-1602. Power supplies and mounts may be installed as a minor alteration.Please refer to this link for the Guardian Avionics NORSEE Letter of Authorization.
California Prop 65 Warning Symbol

WARNING: The product may contain and/or expose you to a chemical(s) or substance(s) which are known to the State of California to cause cancer and/or birth defects or other reproductive harm.


  • Smartphones / iPhones / Cell and Mobile Phones
  • Tablets and iPads
  • GPS Units
  • Cameras / GoPros
  • GPS Receivers / Augmenters


  • 2.1 amps per port (Output Current)
  • Input Voltage: 9 - 48 VDC
  • Output Voltage: 5 VDC +/- 0.25 per port (10 watt)
  • Weight: 2.6 ounces
  • Dimensions: 1.5" W x 1.5" H x 2.1" D
  • One year limited warranty
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Excellent little unit uses smart charger technology so that iPads, iPhones and similar devices will charge at rated current from the unit (up to 2.1A from each port). Installed in my aircraft by mechanic with logbook entry as per FAA standards. Use care when wiring the supplied 25-pin DIN connector. Only downside is the vendor did NOT supply the appropriate DIN strain-relief (plastic hood): had to supply my own.

Dr. C
May 18, 2017


Please note, Aircraft Spruce's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.

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