text.skipToContent text.skipToNavigation


KYOCERA AVX TransGuard® Series Multilayer Varistors

Bi-directional protection and EMI/RFI off state filtering

Guard your design with KYOCERA AVX TransGuard® Series Multilayer Varistors. Leverage the bi-directional overvoltage protection and off-state EMI/RFI attenuation for professional, industrial, and commercial applications.

The TransGuard® multilayer varistors are based off zinc oxide ceramic semiconductor with non-linear voltage-current features.

Some of their benefits include:

  • Superior current and energy handling capabilities
  • Fast turn-on time
  • Multiple strike capabilities
  • EMI/RFI attenuation in the off-state

KYOCERA AVX TransGuard® is the single-device solution against transient voltages and EMI/RFI filtering.


  • Bi-directional transient voltage protection
  • EMI/RFI filtering in the off-state
  • Wide range of components


  • IC Protection
  • Micro Controllers
  • Relays
  • I/O Ports
  • Keyboard Protection
  • Portable devices
  • Industrial Controllers


More info: KYOCERA AVX Automotive

KYOCERA AVX produces AEC-Q200 qualified multilayer varistors, ESD resistant MLCCs, NTC thermistors and stacked multilayer varistor/MLCC devices to meet the stringent circuit protection requirements of modern automotive electronics.

KYOCERA AVX automotive series varistors are an ideal choice for circuit protection in automotive applications thanks to a wide range of highly reliable, AEC-Q200 qualified components; including low capacitance varistors for high-speed data lines/RF circuits, as well as high energy, high temperature or harsh environment varistors.