Inrush Current Limiters & Sensing Thermistor Solutions

Inrush Current Limiters

Click on an image for product details, part locator, electrical specifications and distributor information.




View All Inrush Current Limiters

NTC Thermistors




View NTC Thermistor Applications

Watch educational videos about thermistors and inrush current limiters

See what our customers have to say

I discovered Ametherm 2 years ago when I needed to replace multiple NTC thermistors in our equipment. They provide excellent customer support and quality parts. I highly recommend their products.
Dennis P.
Dennis P.

At Ametherm, we’re solution driven. Our number one priority is to help you solve your inrush current or temperature sensing challenges with cost effective and time saving solutions.

ACCU Curve and inrush current limiters

Follow Our Blogs

We proudly manufacture our products in Carson City, Nevada – USA.

Made in America

  • Rugged and Reliable
  • Recognized by UL and CSA
  • Quick Production Lead Times
  • Innovative Custom Design Services
  • All Sizes, Values, and Ratings

Ametherm strives to provide quality thermistors and services


CL20 Series Ceramic PTC Thermistors
Industry’s highest voltage rating with lowest available resistance provides an alternative to fixed resistors and are optimized for inrush current limiting in pre-charge circuits, heater applications, in addition to over-current protection. Learn more here.

Inrush Current Limiter Data Sheets

Environmental Statement & Compliance Information


We certify all part numbers that we supply to our customers are compliant to Reach 174 substances listed as substance of high concern as outlined in Annex IV SUHC of the Reach regulation (EC no 1907/2006) updated 2016. All of Ametherm part numbers are ROHS 204/65/EU and ROHS II compliant with exception of 7a. Ametherm both respects and obeys the Dodd-frank law of 3TG by using authorized tin smelters or refiners. Learn more about?Quality and Certifications.