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Meanwell SD-25 25W Single Output DC-DC Converter

Upholding the enterprise spirit of rooted technology, MEAN WELL has been adding 10% new devices into its product lines each year. It is now offering complete power supply solutions in range of 0.5W~24,000W at different grades to meet application requirements of individual industries including: AC / DC power supply, LED driver, AC / DC battery chargers, DC / DC converters and DC / AC inverter.

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Excl. Tax: R 426.32 Incl. Tax: R 490.27

Product Description



  • 2:1 wide input range.
  • Protections: Short circuit I Overload I Over voltage.
  • 1500VAC 1IO isolation.
  • Built-in EM1 filter, low ripple noise.
  • 100% full load burn-in test.
  • Fixed switching frequency at 83 KHz.
  • Low cost.
  • High reliability.
  • 2 years warranty.

Technical Specifications

  • DC Voltage: 12V.
  • Rated Current: 2.1A.
  • Current Range: 0 ~ 2.1A.
  • Rated Power: 25.2W.
  • Ripple & Noise (max.): 120mVp-p.
  • Voltage Adj. Range: 11 ~ 16VDC.
  • Voltage Tolerance: ±1.0%.
  • Line Regulation: ±0.3%
  • Load Regulation: ±0.3%.
  • Setup, Rise, Hold up Time: 2.5s, 50ms at full load.


  • Voltage Range: A - 9.2 ~ 18VDC, B - 19 ~ 36VDC, C - 36 ~ 72VDC.
  • Efficiency (Typ.): 75%.
  • DC Current: 1.6A/24V.


  • Overload: Protection type: Hiccup mode, recovers automatically after fault condition is removed, 105 ~ 150% rated output power.
  • Open Voltage: Protection type: Hiccup mode, recovers automatically after fault condition is removed, 16.8 ~ 20V/10% load.


  • Working Temp.: -10 ~ +60°C (Refer to "Derating Curve")
  • Working Humidity: 20 ~ 90% RH non-condensing.
  • Storage Temp. Humidity: -20 ~ +85°C, 10 ~ 95% RH.
  • Temp. Coefficient: ±0.03%/ (0 ~ 50°C).
  • Vibration: 10 ~ 500Hz, 2G 10min./1cycle, 60min. each along X, Y, Z axes Design refer to LVD.

Safety & EMC

  • Withstand Voltage: I/P-O/P:1.5KVAC, I/P-FG: 2KVAC, O/P-FG: 0.5KVAC.
  • Isolation Resistance: I/P-O/P, I/P-FG, O/P-FG: 100M Ohms / 500VDC / 25°C/ 70% RH.
  • EMC Emission: Compliance to EN55022 (CISPR22) Class B.
  • EMC Immunity: Compliance to EN61000-4-2, 3,4,6,8, EN55024, heavy industry level, criteria A.


  • MTBF: 365.9K hrs min.
  • Dimension (L*W*H): 99mm x 97mm x 36mm.

Additional Information

Additional Information

Disclaimer Please note that stock availability is subject to prior sales. Prices exclude delivery. The image serves as an example of what the product looks like and may differ slightly in appearance.
Guarantee/ Warranty 2 year product warranty
Light Colour N/A
Type of Light N/A
Light Watts 5.5W
Connection Type N/A
Light Colour N/A
Volts N/A
Beam Angle 270°
Waterproof N/A
Dimmable Light Option N/A


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