12V 420mA 5W Open-Frame Ultra-Miniature Medical AC-to-DC Switching Power Supply

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  • Jameco Part no.: 694989
  • Manufacturer: MEAN WELL
  • Manufacturer no.: NFM-05-12
  • NCNR (Non-Cancelable, Non Returnable)
  • Jameco Catalog
  • This item is discontinued and is not
    recommended for new designs.
# of units Price
1+ $7.95
10+ $6.75

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5.04W Open-Frame Ultra-Miniature Medical AC-to-DC Switching Power Supply

12 Volts @ 0.42 Amps


  • Input: 85-240VAC @ 47-440Hz, or 120-370VDC
  • Size: 2.3"L x 1.8"W x 0.8"H
  • Ripple and Noise: 150mVp-p
  • Load Regulation: ±0.5%
  • Line Regulation: ±0.5%
  • Universal AC input / Full range
  • Protections: Short circuit / Overload / Over voltage / Over temperature
  • Ultra-miniature size, light weight
  • Cooling by free air convection
  • Isolation class II
  • UL60601-1/IEC60601-1/EN60601-1 medical safety approved
  • No load power consumption<0.5W
  • 100% full load burn-in test
  • Fixed switching frequency at 67KHz
  • High reliability
  • 3 years warranty
  • Certification: UL/CUL/TUV/CE

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Specification Value
Primary Output Voltage (VDC)12
Output Current (A)0.42
Maximum Output Power (W)5.04
Input Voltage (VAC)85 to 264
Input Frequency47 to 440
Output Connector TypePin Terminal
Number of Outputs1
Product TypeAC to DC Power Supply
MFR Product FamilyNFM-05
Efficiency (%)73
Minimum Isolation Voltage4000V
Operating Temperature-Min (Cel)-20
Operating Temperature-Max (Cel)70
Length (inch)2.3
Width (inch)1.8
Height (inch)0.8
Agency ApprovalsUL/CUL/TUV/CB/CE/EAC
StyleMedical Open Frame

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