
© 2013 Littelfuse, Inc.
207
Revised: October 21, 2013
Varistor Products
TMOV
®
and i TMOV
®
Varistor Series
Radial Lead Varistors > TMOV
®
and iTMOV
®
Series
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/tmov.html for current information.
TMOV
®
/iTMOV
®
Series
RoHS
Description
Features
•
RoHScompliantand
Lead–freeavailable
• Patentedintegrated
thermalprotectiondevice
-Patent#US6636403
• Designedtofacilitate
complianceto
UL14493ndEdition
forSPDproduct
• Highpeaksurgecurrent
ratingupto10kA
• Wavesolderable
• Standardleadform
andspacingoption
• Lowleakage
• -55°Cto+85°C
operatingtemprange
• Three-leadversion
availableforindication
purposes
Agency Approvals
Applications
•
SPDProducts
• ACPanelProtection
Modules
• ACLinePowerSupplies
• SurgeProtected
StripConnectors
• ACPowerMeters
• RelocatableAC
PowerTaps
• GFCI
(GroundFault
CurrentInterupter)
• UPS(Uninterruptable
PowerSupply)
• WhiteGoods
• Plug-inSPD
• Inverters
• AC/DCPowerSupplies
Agency Approval Agency File Number
UL1414 E56529
UL1449 E320116
QC42201-C001,
QC42201-A001,
IEC60950-1(AnnexQ)
E1274/F
IEC61051-1,
IEC61051-2,
IEC60950-1(AnnexQ)
40021525
TMOV
®
and iTMOV
®
Varistor Series
TheLittelfuseTMOV
®
andiTMOV
®
thermallyprotected
varistorsrepresentanewdevelopmentinintegrated
circuitprotection.Bothversionsarecomprisedofradial
leadedMOVs(MetalOxideVaristors)withanintegrated
thermallyactivatedelementdesignedtoopeninthe
eventofoverheatingduetotheabnormalovervoltage,
limitedcurrent,conditionsoutlinedinUL1449.TheTMOV
®
andiTMOV
®
varistor’sintegratedthermalelement,in
conjunctionwithappropriateenclosuredesign,helps
facilitateSPDmodulecompliancetoUL1449forbothcord
connectedandpermanentlyconnectedapplications.
TheTMOV
®
andiTMOV
®
varistorsofferquickthermal
responseduetothecloseproximityoftheintegrated
thermalelementtotheMOVbody.Theintegrated
congurationalsoofferslowerinductancethanmost
discretesolutionsresultinginimprovedclamping
performancetofastovervoltagetransients.
TheiTMOV
®
varistordiffersfromtheTMOV
®
varistorbythe
inclusionofathirdleadforthepurposeofindicatingthat
theMOVhasbeendisconnectedfromthecircuit.Thislead
facilitatesconnectiontomonitoringcircuitry.
AdditionallyTMOV
®
andiTMOV
®
varistorsarewave
solderable,thussimplifyingendproductassemblyby
reducingthetheexpenseandreworkassociatedwithhand
solderingoperations.
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