Littelfuse iTMOV Varistor Series Manual do Utilizador descarregar pdf

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

•

RoHScompliantand

Lead–freeavailable

• Patentedintegrated

thermalprotectiondevice

-Patent#US6636403

• Designedtofacilitate

complianceto

UL14493ndEdition

forSPDproduct

• Highpeaksurgecurrent

ratingupto10kA

• Wavesolderable

• Standardleadform

andspacingoption

• Lowleakage

• -55°Cto+85°C

operatingtemprange

• Three-leadversion

availableforindication

purposes

Agency Approvals

Applications

•

SPDProducts

• ACPanelProtection

Modules

• ACLinePowerSupplies

• SurgeProtected

StripConnectors

• ACPowerMeters

• RelocatableAC

PowerTaps

• GFCI

(GroundFault

CurrentInterupter)

• UPS(Uninterruptable

PowerSupply)

• WhiteGoods

• Plug-inSPD

• Inverters

• AC/DCPowerSupplies

Agency Approval Agency File Number

UL1414 E56529

UL1449 E320116

QC42201-C001,

QC42201-A001,

IEC60950-1(AnnexQ)

E1274/F

IEC61051-1,

IEC61051-2,

IEC60950-1(AnnexQ)

40021525

TMOV

and iTMOV

Varistor Series

TheLittelfuseTMOV

andiTMOV

thermallyprotected

varistorsrepresentanewdevelopmentinintegrated

circuitprotection.Bothversionsarecomprisedofradial

leadedMOVs(MetalOxideVaristors)withanintegrated

thermallyactivatedelementdesignedtoopeninthe

eventofoverheatingduetotheabnormalovervoltage,

limitedcurrent,conditionsoutlinedinUL1449.TheTMOV



andiTMOV

varistor’sintegratedthermalelement,in

conjunctionwithappropriateenclosuredesign,helps

facilitateSPDmodulecompliancetoUL1449forbothcord

connectedandpermanentlyconnectedapplications.

TheTMOV

andiTMOV

varistorsofferquickthermal

responseduetothecloseproximityoftheintegrated

thermalelementtotheMOVbody.Theintegrated

congurationalsoofferslowerinductancethanmost

discretesolutionsresultinginimprovedclamping

performancetofastovervoltagetransients.

TheiTMOV

varistordiffersfromtheTMOV

varistorbythe

inclusionofathirdleadforthepurposeofindicatingthat

theMOVhasbeendisconnectedfromthecircuit.Thislead

facilitatesconnectiontomonitoringcircuitry.

AdditionallyTMOV

andiTMOV

®

varistorsarewave

solderable,thussimplifyingendproductassemblyby

reducingthetheexpenseandreworkassociatedwithhand

solderingoperations.

1 2 3 4 5 6 7 8

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Página 3 - Series

Página 4

Página 5

Página 6 - (inner crimp)

Página 7

Página 8

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Littelfuse iTMOV Varistor Series Manual do Utilizador

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