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Ametherm

- Ametherm is a leading manufacturer of Power Thermistors. Ametherm offers the highest rated steady state current rating as well as highest rated energy handling capability offered in the market. Their excellent long-term stability and rugged structure makes them ideally suited for limiting Inrush current in the motors (1/3 HP to 3.0 HP range), medical (Power supplies, MRI), Security systems (X-Ray machines), transformers (up to 8.0 KVA), telecom (Power supplies up to 4000 watt out put power) and motor drives, in the most cost effective method.

Newest Products View All (2)

MegaSurge Inrush Current Limiters

Ametherm's MegaSurge inrush current limiters are specially designed to withstand up to 50 amps of seady state current and 900 joules of input energy. Learn More

AS Series Inrush Current Limiters

Ametherm's AS series of inrush current limiters are designed to protect your components from damaging levels of inrush current at start up. Learn More

Recent PTMs View All (8)

NTC Thermistor Inrush Current Limiter MM35-DIN Series Publish Date: 2018-08-31

Overview of the MM35-DIN Series NTC Theristor Inrush Current Limiter, including applications, features, and educational information.

Duration: 5 minutes
Glass Encapsulated DG Series NTC Thermistors Publish Date: 2017-11-14

Educational information about glass encapsulated thermistors as well as a customer's guide for choosing the appropriate device for their application.

Duration: 5 minutes
DC Inrush Current Limiter Publish Date: 2017-10-10

This tutorial will help customers learn more about Inrush Current Limiters and which ones they will need for different applications.

Duration: 5 minutes
NTC Thermistor Sensors Publish Date: 2017-10-10

The presentation will provide an overview of NTC Thermistor Sensors and their applications.

Duration: 10 minutes

Featured Videos View All (11)

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Designing a Power Factor Correction Circuit

This video demonstrates how Implementing a power factor Correction circuit improves the efficiency of an inductive load system using an Inrush Current Limiter and a Parallel Capacitor.

How to Use Ametherm's Inrush Current Calculators

This video takes you step by step through the inrush current calculations for a capacitive circuit so that you can select the right Inrush Current Limiter with the right joules rating for your application.

Calculating Thermistor Beta

In this video, it is explained what thermistor beta value is and it will cover the components of beta value.

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