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  • Select the Right Varistors for Overvoltage Circuit Protection
    Varistors, also called metal-oxide varistors (MOVs), are used to protect sensitive circuits from a variety of overvoltage conditions. Essentially, these voltage-dependent, nonlinear devices have electrical characteristics similar to back-to- back Zener diodes.
  • Littelfuse Varistors - Basic Properties, Terminology and Theory (.pdf)
    Varistors are voltage dependent, nonlinear devices which have an electrical behavior similar to back-to-back zener diodes. The symmetrical, sharp breakdown characteristics shown in Figure 1 enable the varistor to provide excellent transient suppression performance. When exposed to high voltage
  • Selecting an ESD Suppressor (.pdf)
    Littelfuse offers three device technologies for the suppression of ESD events and other EMC-related transients. These are the MultiLayer Metal Oxide Varistor, silicon (SCR/Diode Array and TVS Avalanche Diode Arrays) and Polymeric Voltage Variable Material technologies. Though these products have
  • Capitance and Signal Integrity (.pdf)
    In previous Technical Briefs, it was introduced that Littelfuse offers a family of ESD suppression technologies including ceramic MultiLayer Varistors (MLV's), silicon (SP72x SCR/Diode and SP05xx TVS Avalanche Diode) Arrays, and polymer PulseGuard (R) suppressor products. These products perform

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