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AC-DC ITE Power Module
AC-DC Household Power Module
AC-DC Medical Power Module
AC-DC Medical Swiching Power Supply
Open Frame Type
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AC-DC ITE Switching Power Supply
Open Frame Type
U Bracket Type
Enclosed Type
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  AC-DC Medical Swiching Power Supply      
        MQF120O Series     ( Open Frame )   
    High Efficiency Power  
  120 Watts          Feature  
MQF120O Series

  Compact Size in 3.04 x 2.0 x 1.2 inches
  Package: Open Frame
  Operating Temperature: -30~70 degrees
  90~264 VAC Universal Input Range
  Cooling by Free Air Convection
  100 Watts and 120 Watt with 10CFM Forced Air
  4000VAC Input to Output 2MOPP Insulation
  High Efficiency up to 91%
  With P.F.C. Function >0.9
  <0.3W No Load Input Power
  EMI for Both Class I (with PE) and Class II (without PE) Configuration
  Suitable for BF Application with Appropriate System Consideration
  UL / IEC / EN 60601 3.1 Edition Safety Approvals
        Safety Approval: Down Load MQF120O Series SPC.
Down Load MQF120O Series 3D File
  1.All specifications valid at nominal input voltage,full load and +25XC after warm-up time unless otherwise stated.
2.Measured with 0.1U 50V // 47U 50V Ceramic Cap. Cross to output
      Input Specification  
      Characteristics     Conditions  
      Voltage Range     AC IN   90 ~ 264 VAC
      DC IN   
      Frequency     47 ~ 63 Hz
     Output Specification  
      Characteristics     Conditions  
      Output Power     120 Watt  (max.)  
      Voltage Accuracy
    (Full Load and Nominal Vin)
    Single:   2%  
      Minimum Load     (at Full Load)     0%  
      Line Regulation    
    (10% to 100% at Full Load)
    Single:   1% (typ.)  
      Load Regulation    
    (10% to 100% at Full Load)
    Single:   1% (typ.)  
      Ripple    (20MHz bandwidth)     12S:160mV (Vp-p) (max.)  
      others:1% Vout  
      Noise    (20MHz bandwidth)     12S:160mV (Vp-p) (max.)  
      others:1% Vout  
      Temperature Coefficient     0.05% / J  (max.)  
      Short Circuit Protection     Protection level 1 (nominal)GContinuous, Auto recovery
    Protection level 2 (instantaneous high current)GLatch
     General Specification  
      Characteristics     Conditions  
      Switching Frequency       (typ.)  
      Isolation Voltage  (Input to Output)     4000VAC or 5656VDC  (min.)  
      Operating Temperature     -30 XC to +70 XC  (with derating)  
      Storage Temperature     -30 XC to +85 XC  
      Humidity     95% RH  (max.)  
      Cooling     Free convection / 10 CFM FAN  
     Physical Specification  
      Characteristics     Conditions  
      Dimension    (Tolerance 0.5)     77.2 x 50.8 x 30.7 mm  
      3.04 x 2.0 x 1.2 inches  
      Weight     172 g  
      Case Material     Open Frame  
Model No.
(Ordering Part No.)
Input Range Output Voltage Output Current Eff
( V.AC ) ( V.DC ) ( mA ) ( % )
Single Output Models
 MQF120O-12S 90 ~ 264 VAC  12    10CFM:10,000
 MQF120O-24S 90 ~ 264 VAC  24    10CFM:5000
 MQF120O-48S 90 ~ 264 VAC  48    10CFM:2500
  Please refer to the PDF file published on the web site as the final version.