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SMOV25S551NP датащи(PDF) 1 Page - Littelfuse

номер детали SMOV25S551NP
подробное описание детали  SMOV25S Varistor Series
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производитель  LITTELFUSE [Littelfuse]
домашняя страница  http://www.littelfuse.com
Logo LITTELFUSE - Littelfuse

SMOV25S551NP датащи(HTML) 1 Page - Littelfuse

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© 2014 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 05/23/14
Varistor Products
Thermally Protected Varistors > SMOV25S Series
RoHS
Description
Features
• Maximumsingle
surgecapability20kA,
8/20waveshape.
•NominalDischarge
CurrentValue:10kA.
• Intermediatecurrent
rating:50A/150A.
• -45°Cto+75°Coperating
temperature.
• RecognizedtoUL
14493rdedition.
• Lead-FreeandRoHS
compliant.
• Integratedmicro-switchfor
indicationcircuitry/design.
Agency Approvals
Applications
• SPDapplications
• AC/DCdistribution
• IT/Datacenter
• Powersupplier
• Telecommunication
Agency
Agency File Number
E320116
SMOV25S Varistor Series
TheLittelfuseSMOVthermallyprotectedvaristorisaself-
protecteddevice.Itconsistsofa25mmsquarevaristorwithan
integralthermaldisconnectdesignedtoopenintheeventof
overheatingduetoabnormalovervoltageasoutlinedinUL1449
3rdedition.TheSMOVhelpsfacilitateSPDmodulecompliance
toUL1449andoffersquickthermalresponseduetotheclose
proximityoftheintegratedthermalelementtotheMOVbody.
Thisconfigurationalsoofferslowerinductancethanmostdiscreet
solutionsresultinginimprovedclampingperformancetofastover
voltagetransients.
Thedevicehasaseparatemicro-switch,whichcanbeusedto
indicatethattheMOVhasbeendisconnectedfromthecircuit.This
separateswitchmakesthemonitoringcircuitrycompletelyisolated
fromthemainpowerwhichensuresindicatorcircuitsafetyand
simplifiesthecustomerscircuitdesign.
Absolute Maximum Ratings
•Forratingsofindividualmembersofaseries,seeDeviceRatingsandSpecificationschart.
SMOV25S Series
Units
Continous:
Steady State Applied Voltage:
DCVoltageRange(VM(DC))
150to970
V
ACVoltageRange(V
M(AC)RMS)
115to750
V
Transient:
Non-RepetitiveSurgeCurrent,8/20µsWaveform(I
TM)
20,000
A
Non-RepetitiveEnergyCapability,2msWaveform(W
TM)
170to670
J
OperatingAmbientTemperatureRange(T
A)
-45to+75
°C
StorageTemperatureRange(T
STG)
-45to+85
°C
Hi-PotEncapsulation(IsolationVoltageCapability)
2500
V
IsolationVoltageCapability(whenthethermaldisconnectopens)
1500
V
HousingInsulationResistance
>1,000
MΩ
CAUTION:Stressesabovethoselistedin“AbsoluteMaximumRatings”maycausepermanentdamagetothedevice.Thisisastressonlyratingandoperation
ofthedeviceattheseoranyotherconditionsabovethoseindicatedintheoperationalsectionsofthisspecificationisnotimplied.


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