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MWB100 Series Power Supplies

100-watt medical switch mode power supplies from ICCNexergy

ICCNexergy MWB100 series ICCNexergy's MWB100 series external switch mode power supplies meet current industry challenges to provide compact, lightweight power to increasingly powerful medical devices while offering reliable performance and meeting Class II (no earth) medical safety approvals. MWB100 power supplies are high efficiency units that offer converter efficiencies of 89 percent and a demonstrated mean time between failure exceeding 200,000 hours. OEMs are reducing product size by designing in external power supplies and the MWB100 power supplies are qualified solutions. Additionally, these power supplies offer Class II system protection. Class II inputs are commonly required in medical equipment, because the reliability of earth connections cannot be guaranteed in all of the locations portable devices may be used. With Class II systems, a grounded AC input socket is not required for normal operation. Datasheet

  • Features & Benefits
  • Applications & Specifications
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Features & Benefits
  • Very high efficiency averaging 89% at 115VAC and 91% at 230VAC
  • Up to 30% lower internal power dissipation than leading competitors' products
  • Long hold-up time for reliable operation of systems without batteries or with depleted batteries
  • High power density in a sealed enclosure without fan
  • 120% peak power available for up to 500ms
  • Fast startup even at low input voltages
  • Low inrush current
  • Compact size
  • Meets stringent medical safety approvals
  • Class II medical approval
  • Full rated continuous and peak power available at all output voltages and over the entire input voltage and frequency range
  • Lower internal temperature rise resulting in up to twice the lifetime expectation compared to other designs with similar power densities

Applications Specifications
  • Medical monitors and displays
  • Respirators
  • Oxygen concentrators
  • Defibrillators
  • Feature-rich medical devices
Size 132 x 78 x 34mm (5.19" x 3.07" x 1.34")
Universal AC Input 85 - 264VAC
Weight 1.1 lbs (0.50 kg)
Emissions FCC class B; CISPR11 class B; EN61000-3-2, -3
Input Connector IEC 320 C18 Receptacle
Output Connector Switchcraft DIN-8

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Digi-Key P/N Manufacturer P/N Description
EPS428-ND MWB100012A-12A POWER SUP MEDICAL 100W 12V 8.3A
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EPS430-ND MWB100018A-12A POWER SUP MEDICAL 100W 18V 5.6A
EPS431-ND MWB100024A-12A POWER SUP MEDICAL 100W 24V 4.2A