Data Sheet

KWS-A Series
KWS-A Series
1
www.emea.tdk-lambda.com/kwsa
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7HVW
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Features Benets
 •ProtectionClassII,NoGroundConnection •Easy,rapidon-boardintegration
 •Smallfootprintwithouttheneedforexternalcomponents •Savesspace,timeandcost
 •LongElectrolyticCapacitorLifetime •Higherreliability,longerproductorsystemlife
 •Noloadpowerconsumptionlessthan0.5W •Betterenergyefciency,betterenvironmentalfootprint
 •Improvedefcienciesupto88% •Reducedpowerlosses,easieronboardthermalmanagement
 •WideTemperatureRange-40°C(startup)to+85°C •Enablesuseinwiderangeofprofessionalindustrialapplications
Notes: (1)Derateto80%loadfrom100to85VACinput(KWS5A90%loadfrom90to85VAC)   
(2)AccordingtoTelcordiadocumentSR-332,issue3,“ReliabilityPredictionProcedureforElectronicEquipment”
  Conditions:ambienttemp.25°C,230Vacinput,fullload(guresshownfor24Vmodels)
Single Output 5W to 25W AC-DC
PCB-Mount Power Supplies
Specication
Model KWS5A KWS10A KWS15A KWS25A
 ACInputVoltage  VAC 85-265
(1)
 InputFrequency  Hz 47-440  
 InrushCurrent(coldstart)  A 15at100VAC,30at200VAC  
 PowerFactor  - MeetsEN61000-3-2  
 InputCurrent(100/200VAC)  A 0.13/0.07 0.25/0.13 0.33/0.24 0.56/0.34
 OutputVoltageAccuracy  % ±5  
 NoLoadPowerConsumption  W <0.5  
 TemperatureCoefcient  %/°C <0.02  
 OvercurrentProtection  - >105%ofratedcurrent  
 OvervoltageProtection  V 5V:5.75-7,12V:13.8-18.3,15V:17.25-22.4,24V:27.6-34 
 HoldUpTime(100/200Vinput)  ms 15/30  10/20 
 LeakageCurrent  mA <0.25at265VAC,60Hz  
 OperatingTemperature  °C -40°Cstart-up;-10to+85°C.Seederatingcurvefordetails  
 StorageTemperature  °C -40to+85°C  
 Humidity(noncondensing)  %RH 30-90Operating,20-95Storage 
 Cooling  - ConvectionCooled  
 WithstandVoltage  VAC InputtoOutput3kVAC
 IsolationResistance  MΩ >100MΩat25°C&70%RH,InputtoOutput500VDC 
 Vibration(nonoperating)  - 10-55Hz:1.65mmp-p(Max10G)sweepfor1minX,Y,Zfor1hour
 Shock  - <50Gfor11±5mson(X,Y,Z)eachaxis3times
 Immunity  - IEC61000-4-2,-3,-4,-5,-6,-8,-11;IEC61000-6-2
 SafetyAgencyCertications  - IEC/EN/UL/CSA60950-1,IEC/EN/UL/CSA62368-1andCEMark
 Conducted&RadiatedEMI  - EN55011-A,EN55022-A,FCCClassA(RequiresexternalXcapacitortomeet-B)
 Weight(Typ)  g 35 35 60 85
 Size(LxWxH)  mm  38.1x25.4x21.5 50.8x25.4x24 63.5x25.4x29
 MTBF(2)  hours 14,416,059 7,784,121 8,202,502 5,747,627
 Warranty  yrs   3  