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June 14, 2026

3V, 3.3V, 5V, 6V, 6.5V, 7V, 8.4V VDC Adjustable Switchmode wall mount Power Supply with International AC Plugs and interchangeable barrel plugs
low voltage switching power supply, 2.5 amps maximum Wall plug Universal AC adjustable output power supply, 2500 mA maximum. international plugs
European, British, and Australian AC Plugs included
This is a compact, high quality, switchmode regulated power supply with adjustable output, 15 watts peak.

In Stock, order online or call to order for quantities greater than 100 pieces
Prices
Quantity 1-10 11-50 51-100 101+
Price PST-AC1898 including international adapters
low voltage switching power supply, 2.5 amps maximum		 $15.25 add_to_cart.gif $13.00 $12.30 Call
Optional 16 connector set click here for details. $8.00 per set of 16 connectors      
Polarity reversing adapter for center-negative products
5.5x2.1mm barrel connector polarity switcher		 $3.50
add_to_cart.gif 		     
SDY-C53F (ZHJX002)
adapters with a barrel connector input and screw terminal output
To adapt the barrel connector to screw terminals		 $2.50 each
add_to_cart.gif		      

Part Number PST-1898, AKA PST-AC1898
Parameter Data
Output 3 volts, 3.3 volts, 5 volts, 6 volts, 6.5 volts, 7 volts or 8.4 volts, single output, user adjustable
Output Power 15 Watts (2.5 amps maximum setting)
Input Voltage 100-240 VAC, 47-63 Hz
No load overhead 300 mW at 110VAC input
Input Frequency 47-63 Hz
Temperature 0° to 40° C Operating
Size Approximately 52 x 70 x 25 mm
(2 x 3 x 1 inches)
Weight 9.5 oz., 270 grams
Agency Approvals UL, CUL, double insulated
Four Output Connectors Included 2.35 x 0.75 mm (EIAJ-01), 3.5 x 1.35 mm, 4.0 x 1.7 mm (EIAJ-02), 4.75 x 1.75 mm (EIAJ-03)(all right angles), center positive or negative depending on the connection to the adapter
AC plug Folding AC plug makes unit easy to carry. International plug adapters slide on, making a solid, semi-permanent connection. (see below)
International Adapters
international plugs
Three plugs available, European, British, and Australian The North American plug folds down and the adapter plug slides in at the end Showing the European plug attached
Advantages:

OEM Battery Chargers Universal input switchmode power supply with user adjustable output voltage.

OEM Battery Chargers High efficiency PC power supply for digital cameras and telecom use.

OEM Power Supplies Excellent line and load regulation.


Line Regulation test. The output current is 500 mA for these tests. Includes AWG wire losses
    LINE REGULATION TEST FOR PST-1898            
Voltage Setting   3V 3.3V 5V 6V 6.5V 7V 8.4V
Input Voltage Input Frequency Measured voltage            
90V 50 Hz 3.22V 3.55V 5.13V 6.16V 6.58V 7.15V 8.44V
100V 50 Hz 3.22V 3.55V 5.13V 6.16V 6.58V 7.15V 8.44V
105V 50 Hz 3.22V 3.55V 5.13V 6.14V 6.58V 7.15V 8.44V
110V 50 Hz 3.22V 3.55V 5.13V 6.14V 6.58V 7.16V 8.44V
115V 50 Hz 3.22V 3.55V 5.13V 6.14V 6.58V 7.16V 8.44V
120V 50 Hz 3.22V 3.55V 5.13V 6.14V 6.58V 7.16V 8.44V
125V 50 Hz 3.22V 3.55V 5.13V 6.13V 6.58V 7.16V 8.44V
200V 50 Hz 3.22V 3.55V 5.13V 6.13V 6.57V 7.15V 8.43V
210V 50 Hz 3.22V 3.55V 5.13V 6.14V 6.57V 7.15V 8.43V
220V 50 Hz 3.22V 3.55V 5.13V 6.14V 6.57V 7.15V 8.43V
230V 50 Hz 3.22V 3.55V 5.13V 6.14V 6.57V 7.15V 8.43V
240V 50 Hz 3.22V 3.55V 5.13V 6.13V 6.56V 7.15V 8.43V
                 
Voltage Setting   3V 3.3V 5V 6V 6.5V 7V 8.4V
Input Voltage Input Frequency Measured voltage            
90V 60Hz 3.18V 3.52V 5.10V 6.15V 6.59V 7.16V 8.44V
100V  60Hz  3.18V 3.52V 5.10V 6.15V 6.59V 7.16V 8.44V
105V 60Hz 3.18V 3.52V 5.10V 6.15V 6.59V 7.16V 8.44V
110V 60Hz 3.18V 3.52V 5.10V 6.15V 6.59V 7.16V 8.44V
115V 60Hz 3.18V 3.52V 5.10V 6.15V 6.59V 7.16V 8.44V
120V 60Hz 3.18V 3.52V 5.10V 6.15V 6.59V 7.16V 8.44V
125V 60Hz 3.18V 3.52V 5.10V 6.15V 6.59V 7.16V 8.44V
200V 60Hz 3.18V 3.52V 5.10V 6.15V 6.59V 7.16V 8.43V
210V 60Hz 3.18V 3.52V 5.10V 6.15V 6.59V 7.16V 8.43V
220V 60Hz 3.18V 3.52V 5.10V 6.15V 6.59V 7.16V 8.43V
230V 60Hz 3.18V 3.52V 5.10V 6.15V 6.59V 7.16V 8.43V
240V 60Hz 3.18V 3.52V 5.10V 6.15V 6.59V 7.16V 8.43V
Line and load regulation at 60 Hz, 3 volt setting
Load 90V 100V 105V 110V 115V 120V 125V 200V 210V 220V 230V 240V
I=.50A 3.25V 3.25V 3.25V 3.25V 3.25V 3.25V 3.25V 3.25V 3.25V 3.25V 3.25V 3.25V
I=1.0A 3.17V 3.17V 3.17V 3.17V 3.17V 3.17V 3.17V 3.17V 3.17V 3.17V 3.17V 3.17V
I=1.5A 3.08V 3.08V 3.08V 3.08V 3.08V 3.08V 3.08V 3.08V 3.08V 3.08V 3.08V 3.08V
I=2.0A 2.99V 2.99V 2.99V 2.99V 2.99V 2.99V 2.99V 2.99V 2.99V 2.99V 2.99V 2.99V
I=2.5A 2.91V 2.91V 2.91V 2.91V 2.91V 2.91V 2.91V 2.91V 2.91V 2.91V 2.91V 2.91V
Line and load regulation at 60 Hz, 3.3 volt setting
  90V 100V 105V 110V 115V 120V 125V 200V 210V 220V 230V 240V
I=.50A 3.58V 3.58V 3.58V 3.58V 3.58V 3.58V 3.58V 3.58V 3.58V 3.58V 3.58V 3.58V
I=1.0A 3.50V 3.50V 3.50V 3.50V 3.50V 3.50V 3.50V 3.50V 3.50V 3.50V 3.50V 3.50V
I=1.5A 3.41V 3.41V 3.41V 3.41V 3.41V 3.41V 3.41V 3.41V 3.41V 3.41V 3.41V 3.41V
I=2.0A 3.34V 3.34V 3.34V 3.34V 3.34V 3.34V 3.34V 3.34V 3.34V 3.34V 3.34V 3.34V
I=2.5A 3.27V 3.27V 3.27V 3.27V 3.27V 3.27V 3.27V 3.27V 3.27V 3.27V 3.27V 3.27V
Line and load regulation at 60 Hz, 5 volt setting
  90V 100V 105V 110V 115V 120V 125V 200V 210V 220V 230V 240V
I=.50A 5.16V 5.16V 5.16V 5.16V 5.16V 5.16V 5.16V 5.16V 5.16V 5.16V 5.16V 5.16V
I=1.0A 5.08V 5.08V 5.08V 5.08V 5.08V 5.08V 5.08V 5.08V 5.08V 5.08V 5.08V 5.08V
I=1.5A 5.0V 5.0V 5.0V 5.0V 5.0V 5.0V 5.0V 5.0V 5.0V 5.0V 5.0V 5.0V
I=2.0A 4.91V 4.91V 4.91V 4.91V 4.91V 4.91V 4.91V 4.91V 4.91V 4.91V 4.91V 4.91V
I=2.5A 4.85V 4.85V 4.85V 4.85V 4.85V 4.85V 4.85V 4.85V 4.85V 4.85V 4.85V 4.85V
Line and load regulation at 60 Hz, 6 volt setting
  90V 100V 105V 110V 115V 120V 125V 200V 210V 220V 230V 240V
I=.50A 6.21V 6.21V 6.21V 6.21V 6.21V 6.21V 6.21V 6.21V 6.21V 6.21V 6.21V 6.21V
I=1.0A 6.13V 6.13V 6.13V 6.13V 6.13V 6.13V 6.13V 6.13V 6.13V 6.13V 6.13V 6.13V
I=1.5A 6.05V 6.05V 6.05V 6.05V 6.05V 6.05V 6.05V 6.05V 6.05V 6.05V 6.05V 6.05V
I=2.0A 5.97V 5.97V 5.97V 5.97V 5.97V 5.97V 5.97V 5.97V 5.97V 5.97V 5.97V 5.97V
I=2.5A 5.89V 5.89V 5.89V 5.89V 5.89V 5.89V 5.89V 5.89V 5.89V 5.89V 5.89V 5.89V
Line and load regulation at 60 Hz, 6.5 volt setting
  90V 100V 105V 110V 115V 120V 125V 200V 210V 220V 230V 240V
I=.50A 6.65V 6.65V 6.65V 6.65V 6.65V 6.65V 6.65V 6.65V 6.65V 6.65V 6.65V 6.65V
I=1.0A 6.57V 6.57V 6.57V 6.57V 6.57V 6.57V 6.57V 6.57V 6.57V 6.57V 6.57V 6.57V
I=1.5A 6.49V 6.49V 6.49V 6.49V 6.49V 6.49V 6.49V 6.49V 6.49V 6.49V 6.49V 6.49V
I=2.0A 6.41V 6.41V 6.41V 6.41V 6.41V 6.41V 6.41V 6.41V 6.41V 6.41V 6.41V 6.41V
I=2.5A 6.34V 6.34V 6.34V 6.34V 6.34V 6.34V 6.34V 6.34V 6.34V 6.34V 6.34V 6.34V
Line and load regulation at 60 Hz, 7 volt setting
  90V 100V 105V 110V 115V 120V 125V 200V 210V 220V 230V 240V
I=.50A 7.22V 7.22V 7.22V 7.22V 7.22V 7.22V 7.22V 7.22V 7.22V 7.22V 7.22V 7.22V
I=1.0A 7.14V 7.14V 7.14V 7.14V 7.14V 7.14V 7.14V 7.14V 7.14V 7.14V 7.14V 7.14V
I=1.5A 7.06V 7.06V 7.06V 7.06V 7.06V 7.06V 7.06V 7.06V 7.06V 7.06V 7.06V 7.06V
I=2.0A 6.99V 6.99V 6.99V 6.99V 6.99V 6.99V 6.99V 6.99V 6.99V 6.99V 6.99V 6.99V
I=2.5A 6.90V 6.90V 6.90V 6.90V 6.90V 6.90V 6.90V 6.90V 6.90V 6.90V 6.90V 6.90V
Line and load regulation at 60 Hz, 8.4 volt setting
  90V 100V 105V 110V 115V 120V 125V 200V 210V 220V 230V 240V
I=.50A 8.51V 8.51V 8.51V 8.51V 8.51V 8.51V 8.51V 8.51V 8.51V 8.51V 8.51V 8.51V
I=1.0A 8.42V 8.42V 8.42V 8.42V 8.42V 8.42V 8.42V 8.42V 8.42V 8.42V 8.42V 8.42V
I=1.5A 8.35V 8.35V 8.35V 8.35V 8.35V 8.35V 8.35V 8.35V 8.35V 8.35V 8.35V 8.35V
I=2.0A 8.26V 8.26V 8.26V 8.26V 8.26V 8.26V 8.26V 8.26V 8.26V 8.26V 8.26V 8.26V
I=2.5A 8.18V 8.18V 8.18V 8.18V 8.18V 8.18V 8.18V 8.18V 8.18V 8.18V 8.18V 8.18V


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