Authorised Partner

About Ametherm

Since 1994, Ametherm has provided the most reliable and effective inrush current limiting solutions available. They deliver on that promise through innovative design, quality manufacturing, and exceptional customer support.

For Engineers Who Need the Most Effective Inrush Current Limiting Solutions

Our sale team will work closely with both you and Ametherm to find the best solution for your inrush current limiting applications. They are ISO:9001:2015 certified and have a broad range of power thermistors that are UL and CSA approved, providing the most reliable yet cost-effective inrush current limiting solutions available.

Power Thermistors you can trust

Ametherm certify all part numbers that they supply to customers ensuring they 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 part numbers are also 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.

For their official website, please visit www.ametherm.com

  • Ametherm
  • Inrush current limiting thermistor
  • Resistance of 2Ω (at 25°C)
  • Maximum steady state current of 23A
  • Maximum recommended energy of 250J
  • Voltage ratings of 120VAC and 240VAC
  • Body temperature of +198°C at maximum current
  • Exempt
  • Ametherm
  • Inrush current limiting thermistor
  • Resistance of 120Ω (at 25°C)
  • Maximum steady state current of 1A
  • Maximum recommended energy of 14J
  • Body temperature of +137°C at maximum current
  • Maximum disc diameter 10mm
  • Exempt
  • Ametherm
  • Inrush current limiting thermistor
  • Resistance of 2Ω (at 25°C)
  • Maximum steady state current of 25A
  • Maximum recommended energy of 300J
  • Voltage ratings of 120VAC and 240VAC
  • Body temperature of +236°C at maximum current
  • Exempt
  • Ametherm
  • Inrush current limiting thermistor
  • Resistance of 25Ω (at 25°C)
  • Maximum steady state current of 2A
  • Maximum recommended energy of 20J
  • Body temperature of +110°C at maximum current
  • Maximum disc diameter 10mm
  • Exempt
  • Ametherm
  • Inrush current limiting thermistor
  • Resistance of 4Ω (at 25°C)
  • Maximum steady state current of 23A
  • Maximum recommended energy of 200J
  • Voltage ratings of 120VAC and 240VAC
  • Body temperature of +236°C at maximum current
  • Exempt
  • Ametherm
  • Inrush current limiting thermistor
  • Resistance of 2Ω (at 25°C)
  • Maximum steady state current of 5A
  • Maximum recommended energy of 30J
  • Voltage ratings of 120VAC and 240VAC
  • Body temperature of +150°C at maximum current
  • Exempt
  • Ametherm
  • Inrush current limiting thermistor
  • Resistance of 5Ω (at 25°C)
  • Maximum steady state current of 20A
  • Maximum recommended energy of 200J
  • Voltage ratings of 120VAC and 240VAC
  • Body temperature of +206°C at maximum current
  • Exempt
  • Ametherm
  • Inrush current limiting thermistor
  • Resistance of 2.5Ω (at 25°C)
  • Maximum steady state current of 5A
  • Maximum recommended energy of 30J
  • Voltage ratings of 120VAC and 240VAC
  • Body temperature of +165°C at maximum current
  • Exempt
  • Ametherm
  • Inrush current limiting thermistor
  • Resistance of 40Ω (at 25°C)
  • Maximum steady state current of 2A
  • Maximum recommended energy of 15J
  • Body temperature of +142°C at maximum current
  • Maximum disc diameter
  • Exempt
  • Ametherm
  • Inrush current limiting thermistor
  • Resistance of 4 (at 25°C)
  • Maximum steady state current of 4A
  • Maximum recommended energy of 20J
  • Body temperature of +160°C at maximum current
  • Maximum disc diameter 10mm
  • Exempt
  • Ametherm
  • Inrush current limiting thermistor
  • Resistance of 50Ω (at 25°C)
  • Maximum steady state current of 1.1A (up to +25°C)
  • Maximum recommended energy of 18J
  • Body temperature of +125°C at maximum current
  • Maximum disc diameter 10mm
  • Exempt
  • Ametherm
  • Inrush current limiting thermistor
  • Resistance of 50Ω ±25% (at 25°C)
  • Maximum steady state current of 2A
  • Maximum recommended energy of 18J
  • Voltage ratings of 120VAC and 240VAC
  • Body temperature of +140°C at maximum current
  • Exempt
  • Ametherm
  • Inrush current limiting thermistor
  • Resistance of 5Ω (at 25°C)
  • Maximum steady state current of 3A (up to +25°C)
  • Maximum recommended energy of 20J
  • Body temperature of +170°C at maximum current
  • Maximum disc diameter 10mm
  • Exempt
  • Ametherm
  • Inrush current limiting thermistor
  • Resistance of 5Ω (at 25°C)
  • Maximum steady state current of 4A
  • Maximum recommended energy of 20J
  • Voltage ratings of 120VAC and 240VAC
  • Body temperature of +181°C at maximum current
  • Exempt
  • Ametherm
  • Inrush current limiting thermistor
  • Resistance of 10Ω (at 20°C)
  • Maximum steady state current of 4A
  • Maximum recommended energy of 40J
  • Voltage ratings of 120VAC and 240VAC
  • Body temperature of +162°C at maximum current
  • Exempt
  • Ametherm
  • Inrush current limiting thermistor
  • Resistance of 10Ω (at 20°C)
  • Maximum steady state current of 5A
  • Maximum recommended energy of 60J
  • Body temperature of +172°C at maximum current
  • Maximum disc diameter 12mm
  • Exempt
Calculators and Converters

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