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Radial Lead Varistors > TMOV® and iTMOV® Series
TMOV® and iTMOV® Varistor Series
RoHS
Description
TheꢀLittelfuseꢀTMOV®ꢀandꢀiTMOV®ꢀthermallyꢀprotectedꢀ
varistorsꢀrepresentꢀaꢀnewꢀdevelopmentꢀinꢀintegratedꢀ
circuitꢀprotection.ꢀBothꢀversionsꢀareꢀcomprisedꢀofꢀradialꢀ
leadedꢀMOVsꢀ(MetalꢀOxideꢀVaristors)ꢀwithꢀanꢀintegratedꢀ
thermallyꢀactivatedꢀelementꢀdesignedꢀtoꢀopenꢀinꢀtheꢀ
eventꢀofꢀoverheatingꢀdueꢀtoꢀtheꢀabnormalꢀovervoltage,ꢀ
limitedꢀcurrent,ꢀconditionsꢀoutlinedꢀinꢀUL1449.ꢀTheꢀTMOV®ꢀ
andꢀiTMOV®ꢀvaristor’sꢀintegratedꢀthermalꢀelement,ꢀinꢀ
conjunctionꢀwithꢀappropriateꢀenclosureꢀdesign,ꢀhelpsꢀ
facilitateꢀSPDꢀmoduleꢀcomplianceꢀtoꢀUL1449ꢀforꢀbothꢀcordꢀ
connectedꢀandꢀpermanentlyꢀconnectedꢀapplications.
TheꢀTMOV®ꢀandꢀiTMOV®ꢀvaristorsꢀofferꢀquickꢀthermalꢀ
responseꢀdueꢀtoꢀtheꢀcloseꢀproximityꢀofꢀtheꢀintegratedꢀ
thermalꢀelementꢀtoꢀtheꢀMOVꢀbody.ꢀTheꢀintegratedꢀ
configurationꢀalsoꢀoffersꢀlowerꢀinductanceꢀthanꢀmostꢀ
discreteꢀsolutionsꢀresultingꢀinꢀimprovedꢀclampingꢀ
performanceꢀtoꢀfastꢀovervoltageꢀtransients.ꢀ
Agency Approvals
Agency Approval
Agency File Number
UL1414
UL1449
E56529
E320116
TheꢀiTMOV®ꢀvaristorꢀdiffersꢀfromꢀtheꢀTMOV®ꢀvaristorꢀbyꢀtheꢀ
inclusionꢀofꢀaꢀthirdꢀleadꢀforꢀtheꢀpurposeꢀofꢀindicatingꢀthatꢀ
theꢀMOVꢀhasꢀbeenꢀdisconnectedꢀfromꢀtheꢀcircuit.ꢀThisꢀleadꢀ
facilitatesꢀconnectionꢀtoꢀmonitoringꢀcircuitry.
QCꢀ42201-C001,ꢀ
QC42201-A001,
IECꢀ60950-1ꢀ(AnnexꢀQ)
E1274/F
AdditionallyꢀTMOV®ꢀandꢀiTMOV®ꢀvaristorsꢀareꢀwaveꢀ
solderable,ꢀthusꢀsimplifyingꢀendꢀproductꢀassemblyꢀbyꢀ
reducingꢀtheꢀtheꢀexpenseꢀandꢀreworkꢀassociatedꢀwithꢀhandꢀ
solderingꢀoperations.
IECꢀ61051-1,ꢀ
IECꢀ61051-2,ꢀ
IECꢀ60950-1ꢀ(AnnexꢀQ)
40021525
Features
•ꢀ Waveꢀsolderable
•ꢀ RoHSꢀcompliantꢀandꢀ
Lead–freeꢀavailable
•ꢀ Standardꢀleadꢀformꢀ
andꢀspacingꢀoption
•ꢀ Patentedꢀintegratedꢀ
thermalꢀprotectionꢀdeviceꢀ
-ꢀPatentꢀ#US6636403
•ꢀ Lowꢀleakage
•ꢀ -55°Cꢀtoꢀ+85°Cꢀ
operatingꢀtempꢀrange
•ꢀ Designedꢀtoꢀfacilitateꢀ
complianceꢀtoꢀ
•ꢀ Three-leadꢀversionꢀ
availableꢀforꢀindicationꢀ
purposes
UL1449ꢀ3ndꢀEditionꢀ
forꢀSPDꢀproduct
•ꢀ Highꢀpeakꢀsurgeꢀcurrentꢀ
ratingꢀupꢀtoꢀ10kA
Applications
•ꢀ GFCIꢀ(GroundꢀFaultꢀ
CurrentꢀInterupter)
•ꢀ SPDꢀProducts
•ꢀ ACꢀPanelꢀProtectionꢀ
Modules
•ꢀ UPSꢀ(Uninterruptableꢀ
PowerꢀSupply)
•ꢀ ACꢀLineꢀPowerꢀSupplies
•ꢀ WhiteꢀGoods
•ꢀ Plug-inꢀSPD
•ꢀ SurgeꢀProtectedꢀ
StripꢀConnectors
•ꢀ Inverters
•ꢀ ACꢀPowerꢀMeters
•ꢀ AC/DCꢀPowerꢀSupplies
•ꢀ RelocatableꢀACꢀ
PowerꢀTaps
©2011 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/tmov.html for current information.
TMOV® and iTMOV® Varistor Series
Revision: September 25, 2011