Varistors Catalog
Learn about Littelfuse varistors and how to choose the best form of overvoltage protection for your application.
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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 UL 1449.
The iTMOV varistor differs from the TMOV varistor by the inclusion of a third party lead for the purpose of indicating that the MOV has been disconnected from the circuit. This lead facilitates connection to monitoring circuitry.
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 UL 1449.
The iTMOV varistor differs from the TMOV varistor by the inclusion of a third party lead for the purpose of indicating that the MOV has been disconnected from the circuit. This lead facilitates connection to monitoring circuitry.
- RoHS compliant andLead–free available
- Patented integratedthermal protection device- Patent #US6636403
- Designed to facilitatecompliance toUL1449 3nd Editionfor SPD product
- High peak surge currentrating up to 10kA
- Wave solderable
- Standard lead formand spacing option
- Low leakage
- -55°C to +85°Coperating temp range
- Three-lead versionavailable for indicationpurposes
iTMOV Parts
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iTMOV Custom Products Request
Need your ITMOV parts customized? Please let us know about yourself and your project needs, and a Littelfuse expert will be in touch about customizing our product(s) for you.