Littelfuse Electronics Circuit Protection Resources

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Circuit Protection Technology Application Matrix

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Use this matrix to simplify selecting the most appropriate type of overcurrent protection or overvoltage suppression device for your next application.

Choose from the following categories:

  • Consumer electronics
  • Power supply
  • Commercial systems
  • Lighting
  • Industrial & instrumentation
  • Medical
  • Communications
  • Computer
  • Automotive electronics

Then, narrow the applications and find the appropriate device types. 

The matrix describes overcurrent protection devices including Fuses and Resettable PTCs, as well as overvoltage suppression devices including TVS (transient voltage suppression) Diodes, TVS Diode Arrays, PulseGuard® ESD Suppressors, Varistors, SIDACtor® Devices, Gas Discharge Tubes (GDTs), Switching Thyristors, and PLED Light-Emitting Diode (LED) Protectors.