Multilayer Type Metal Oxide Varistors (NV73DS Series)

KOA Speer
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The NV73DS series multilayer type metal oxide varistor is suitable for the protection from load dump surge on the electronic components for automotive.


  • Symmetrical non-linearity V-I characteristics absorb positive and negative surge
  • Meet for load dump surge test of JASO
  • Operating temperatures up to 125°C
  • High resistance to cyclic temperature stress
  • Suitable for both flow and reflow solderings
  • Products meet EU-RoHS requirements
  • AEC-Q200 Qualified


  • Protection from surge to electronic device for automotive
  • Absorption of surge voltages occurred from inductive load of motors, relays, etc.
  • Protection of semiconductor elements against over voltages