Littelfuse, Inc. Datasheets for Varistors

Varistors are voltage-clamping devices that can absorb current without damage. They are typically used in surge protection devices.
Varistors: Learn more

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Product Name Notes
Metal Oxide Varistors (MOVs)are rated for specific AC line operating voltages, and exceeding these limits through the application of a sustained abnormal over-voltage condition could result in overheating and damage...
Our 2Pro devices help protect against damage caused by various fault conditions including lightning, electrostatic discharge (ESD), overload, and short circuit. By incorporating PolySwitch PPTC (Polymeric Positive Temperature Coefficient) and...
SPD Thermally Protected Varistor Features 200 kA SCCR, 20 kA In, UL1449 Type 4 recognized component assembly Applications Type1 and Type 2 Surge Protection Device
The AUMOV® Series Varistor offers 50% greater surge withstanding capability than existing technologies on the market for low DC voltage applications. The maximum peak surge current is rated up to...
The high reliability Littelfuse varistor is the latest step in increased product performance, and is available for applications requiring quality and reliability assurance levels consistent with military or other standards.
The Littelfuse Industrial TMOV34S® series thermally protected varistor represents a new development in circuit protection.It consists of a 34mm square format varistor element ( MOV) with an integral thermally activated...
The Littelfuse LV UltraMOV™ Series of low voltage, high surge current, radial leaded varistors provides an ideal circuit protection solution for lower DC voltage applications by offering higher surge ratings...
The M3 Varistor Series is a compact MOV with high surge current withstanding and energy absorption capabilities. It is designed to meet the 6 kV/3 kA (1.2/50 μs, 8/20 μs)...
The Multilayer High-Speed MHS Series is a very-low Capacitance extension of the Littelfuse ML family of Transient Voltage Surge Suppression devices available in an 0402 and 0603-size surface mount chip.
The UltraMOV Metal Oxide Varistor Series is designed for applications reqiring high peak surge current ratings and high energy absorption capability. UltraMOV varistors are primarily intended for use in AC...
Thermally protected SMOV25S Varistor Series for overvoltage circuit protection The SMOV25S Varistor Series offer an integrated thermal disconnect designed to open in the event of overheating due to abnormal overvoltage...
Thermally protected SMOV34S Varistor Series for overvoltage circuit protectionThe SMOV34S Varistor Series offer an integrated thermal disconnect designed to open in the event of overheating due to abnormal overvoltage as...
TMOV and iTMOV Varistor SeriesThe 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...
VoIP gateways are becoming more widespread as the primary means of voice delivery in home and enterprise environments. There is a need for overcurrent and overvotlage protection in telephony equipment...
Xtreme Varistor Series is specially designed for applications requiring high surge energy/current absorption and multiple surge pulse withstanding capability. Xtreme Varistor Series is available in six nominal disc size: 5mm,...

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