Xtreme varistors improve surge protection while reducing component footprint

New Xtreme Varistor Series from Littelfuse. Made from a patented electrical formulation developed by Littelfuse, the new, smaller varistors offer powerful surge protection to help prevent damage, fire and catastrophic failure, even under extreme conditions.

Xtreme varistors are used exclusively in the following markets and applications:

- Home and building automation

- Large and small appliances

- Outdoor LED lighting

- Smoke detectors and fire alarms

- Smart Meters

- GFCI, AFCI and USB interfaces

Xtreme varistors offer numerous design advantages over a number of technologies currently on the market," said Johnny Chang, global product manager, passive product management, Littelfuse EBUs. The combination of its small footprint, large operating voltage range and high inrush current rating will provide robust protection for your latest product designs."

The Xtreme varistor series offers the following key advantages:

- Small disc size (from 5mm to 20mm) reduces component footprint and PCB space required for circuit protection.

- Suitable for operating temperatures up to 125°C.

- High surge energy and current absorption tolerance for increased reliability and longer product life.

- Complies with UL-94, flammability class V-0, which ensures that burning stops within 10 seconds.