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431KD20 430V 20mm Varistor - Pack of 15

The 431KD20 430V 20mm Varistor is a disc type metal oxide varistor which is used for circuit protection from overvoltage.


Availability: 47 in stock

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SKU PHI1051985 Category Tags ,


The 431KD20 430V 20mm Varistor is a disc type metal oxide varistor which is used for circuit protection from overvoltage.

Varistors can suppress and divert large voltage spikes protecting electronic equipment from what would usually be damaging energy increases.



  • Package: Through-hole
  • Allowable voltage (Vdc): 350V
  • Allowable voltage (AC): 275V
  • Clamping voltage: 710V
  • Surge current: 6.5KA
  • Varistor voltage (Min): 383V
  • Varistor voltage (Max): 473V
  • Disc size: 20mm
  • Rated power: 1.0W
  • Operating temperature: -55C – 85C



  • 15 x 431KD20 430V 20mm Varistors

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We ship Australia wide to all addresses, including PO Box, Parcel Locker, etc.

The following shipping options available are listed below:

Australian Orders

  • Standard Shipping – Free (low cost / small products) – Sent via standard Australia Post stamped mail, 3 – 7 business days delivery depending on location, minimal tracking.
  • Standard Shipping – Free (higher cost / larger products) – Sent via Australia Post Parcel Service or Courier Service, depending on location and mailing address, 2 – 5 business days delivery, with full tracking.
  • Express Post – $12.00 (Cost may be higher depending on product size) – Sent via Australia Post Express Service, 1 – 2 business days for metro orders, potentially longer for orders outside of metro zones, with full tracking.

Orders outside of metro orders can take 2+ days longer than the estimates stated above.

International Orders

Shipping costs for international orders vary depending on location and package size, where possible we have kept this to flat rate charges to reduce confusion.

International orders are shipped through Australia Post and Sendle courier service depending on the most economical at the time.

Pick Up
In-person pickup is currently not available. If the order is urgent, please contact us to see what can be arranged.

If you have any questions, please have a look at the customer service portal where you will find answers to many common questions, or you can reach out to us through the contact us page.

More Information

If you would like more information regarding placing international orders, please view the faq page under the “Do you accept international orders?” section.

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