25W 12VDC Switchmode Power Supply

RRP $34.50
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Switchmode power supplies offer several significant advantages over traditional linear transformer power supplies.They are far more efficient than their linear counterparts. As they do not use power or mains transformers the equivalent power supply weighs considerably less than traditional types. Physical size is also reduced. Though the power supplies are supplied in a vented steel cabinet they must be installed within a secondary earthed cabinet as the 240V input terminals are exposed.


  • Universal AC input / Full range
  • Protections: Short circuit / Overload / Over voltage
  • Cooling by free air convection
  • LED indicator for power on
  • 100% full load burn-in test
  • All using 105ºC long life electrolytic capacitors
  • Withstand 300VAC surge input for 5 second
  • High operating temperature up to 70
  • Withstand 5G vibration test
  • High efficiency, long life and high reliability
  • Specifications
  • Output
  • DC Voltage: 12V
  • Rated Current: 2.1A
  • Current Range: 0-2.1A
  • Rated Power: 25.2W
  • Ripple & Noise: 120mV p-p
  • Voltage Adjust Range: 10.8-13.2V
  • Voltage Tolerance: ±1.0%
  • Line Regulation: ±0.5%
  • Load Regulation: ±0.5%
  • Setup / Rise Time: 1200ms / 23ms @ 230VAC
  • Hold Up Time (Typical): 80ms @ 230VAC
  • Input
  • Voltage Range: 88-264VAC 125-373VDC (Withstand 300VAC surge for 5s. Without damage)
  • Frequency Range: 47-63Hz
  • Efficiency (Typical): 81.5%
  • AC Curremt (Typical): 0.7A/115VAC, 0.4A/230VAC
  • Inrush Current (Typical): Cold Start 30A/230VAC
  • Leakage Current: <2mA/240VAC
  • Protection
  • Overload: 110-180% rated power output
  • Over Voltage: 13.8-16.2V
  • Protection Type: Hiccup mode, recovers automatically after fault condition is removed
  • Environment
  • Working Temperature: -20 - +70ºC
  • Working Humidity: 20-90% RH non condensing
  • Temperature Coefficient: ±0.03%/ºC(0-50ºC)
  • Vibration: 10-500Hz, 5G 10 minutes/1cycle, period for 60 minutes. Each along X,Y,Z, axis
  • Dimensions: 79L x 51W x 28H mm
  • Weight: 0.2kg


SKU M8731
Model # M8731
Shipping Weight 0.0440kg
Unit Of Measure Each
12 months

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