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February 20, 2023

7.5 VDC, 3A Switchmode miniature desktop Power Supply, 400Hz input
7.5 volt, 3.75 watt low voltage switching power supply, 1.5 amps maximum

400Hz AC regulated switchmode 7.5 VDC power supply, 3.0 amps.
400Hz tutorial
400Hz Tutorial
5 volt 500 mA switching power supply with 5.5 x 2.1 mm barrel connector
Click here for more 400Hz power supplies
Small, high quality, switchmode 7.5V regulated power supply with 5.5 x 2.1 mm barrel connector, 22.5 watts continuous.

Quantity 1-10 11-50 51-100 101+
Price PST-AC7503
Includes AC cord for USA
7.5 volt, 3.75 watt low voltage switching power supply, 1.5 amps maximum		 PST-AC7503
$22.50
add_to_cart.gif 		$19.10 $17.30 $15.80
PST-WX12
Optional 12 piece Output adapter barrel plug kit
plugset		 $7.00
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SDY-C53F (ZHJX002)
adapters with a barrel connector input and screw terminal output
To adapt the barrel connector to screw terminals		 $2.50 each
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Polarity reversing adapter for center-negative products
5.5x2.1mm barrel connector polarity switcher		 $3.50
add_to_cart.gif 		     

Note on 400Hz operation: we have tested this power supply and found that the efficiency does not decrease at 400Hz operation, the power factor and crest factor of the incoming AC change only slightly, and the temperature rise at full power is the same as 60Hz operation.

GENERAL SPECIFICATIONS
Size 1.9 x 1.1 x 4.5 inches
Weight: 5.9 oz, 167 grams
Cooling: Free air convection
Construction: Impact resistant thermo-plastic enclosure case
INPUT SPECIFICATION
Input Voltage: Input Voltage: rating 100-240VAC
Input Connector: C7 two-prong removable
Input Frequency: 47-63Hz, 400Hz.
Agency Approvals UL, CE
OUTPUT SPECIFICATION
Output Voltage: 7.5 Volts
Output Current: 3.0 Amps
Output Wattage: 22.5 Watts typical
Overload Protection (OLP) Fully protected against output overload or short circuit. OLP is set at about 120-150% of the rated continous output.
Output Cord 6 foot, 2 conductor 20 AWG wire
Output Connector: 5.5 mm OD x 2.1 mm ID center positive
Optional DC Plugs slip over the 5.5 x 2.1 mm connector if desired.
plugset
  • 2.35 OD x 0.7 ID Barrel
  • 3.0 OD x 1.1 ID Barrel
  • 3.5 OD x 1.35 ID Barrel
  • 4.0 OD x 1.7 ID Barrel
  • 4.75 mm OD x 1.75 mm ID Barrel EIAJ-03
  • 5.0 mm OD x 3.5 mm ID with center pin
  • 5.5 mm OD x 1.5 mm ID type 2 Barrel
  • 5.5 mm OD x 2.5 mm ID Barrel
  • 6.3 OD x 3.0 ID center pin Barrel
  • 6.0 OD x 4.4 ID center pin Barrel
  • 7.4 mm OD x 5.0 center pin ID Barrel
  • 7.9 OD x 5.6 ID center pin Barrel


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