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 30Ω (at 25°C)
  • Maximum steady state current of 0.25A (up to +65°C)
  • Maximum recommended energy of 3J
  • Maximum disc diameter 6mm
  • Ametherm
  • Precision interchangeable NTC thermistor
  • Brown coloured small bead design
  • Resistance of 2.252kΩ (at 25°C)
  • Tolerance of ±0.2°C
  • Maximum power rating of 250mW
  • Temperature range from -40°C to +150°C
  • Ametherm
  • Precision interchangeable NTC thermistor
  • Red coloured small bead design
  • Resistance of 3kΩ (at 25°C)
  • Tolerance of ±0.2°C
  • Maximum power rating of 250mW
  • Temperature range from -40°C to +150°C
  • Ametherm
  • Precision interchangeable NTC thermistor
  • Orange coloured small bead design
  • Resistance of 5kΩ (at 25°C)
  • Tolerance of ±0.2°C
  • Maximum power rating of 250mW
  • Temperature range from -40°C to +150°C
  • Ametherm
  • Precision interchangeable NTC thermistor
  • Yellow coloured small bead design
  • Resistance of 10kΩ (at 25°C)
  • Tolerance of ±0.2°C
  • Maximum power rating of 250mW
  • Yellow colour code
  • Temperature range from -40°C to +150°C
  • Ametherm
  • Precision interchangeable NTC thermistor
  • Green colour small bead design
  • Resistance of 30kΩ (at 25°C)
  • Tolerance of ±0.2°C
  • Maximum power rating of 250mW
  • Temperature range from -40°C to +150°C
  • Ametherm
  • Precision interchangeable NTC thermistor
  • Blue coloured small bead design
  • Resistance of 50kΩ (at 25°C)
  • Tolerance of ±0.2°C
  • Maximum power rating of 250mW
  • Temperature range from -40°C to +150°C
  • Ametherm
  • Precision interchangeable NTC thermistor
  • Violet coloured small bead design
  • Resistance of 100kΩ (at 25°C)
  • Tolerance of ±0.2°C
  • Maximum power rating of 250mW
  • Temperature range from -40°C to +150°C
  • Ametherm
  • Inrush current limiting thermistor
  • Resistance of 0.5Ω (at 25°C)
  • Maximum steady state current of 30A
  • Maximum recommended energy of 300J
  • Voltage rating from 120VAC to 680VAC
  • Body temperature of +183°C at maximum current
  • Ametherm
  • Inrush current limiting thermistor
  • Resistance of 0.5Ω (at 25°C)
  • Maximum steady state current of 36A
  • Maximum recommended energy of 300J
  • Body temperature of +183°C at maximum current
  • Ametherm
  • Inrush current limiting thermistor
  • Resistance of 10Ω (at 25°C)
  • Maximum steady state current of 15A
  • Maximum recommended energy of 250J
  • Voltage rating From 120VAC to 680VAC
  • Body temperature of +185 °C at maximum current
  • Ametherm
  • Inrush current limiting thermistor
  • Resistance of 1Ω (at 25°C)
  • Maximum steady state current of 30A
  • Maximum recommended energy of 300J
  • Body temperature of +215°C at maximum current
  • Maximum disc diameter 30mm
  • Ametherm
  • Inrush current limiting thermistor
  • Resistance of 1Ω (at 25°C)
  • Maximum steady state current of 36A
  • Maximum recommended energy of 300J
  • Voltage rating from 120VAC to 680VAC
  • Body temperature of +215°C at maximum current
  • Ametherm
  • Inrush current limiting thermistor
  • Resistance of 20Ω (at 25°C)
  • Maximum steady state current of 10A
  • Maximum recommended energy of 250J
  • Voltage rating from 120VAC to 680VAC
  • Body temperature of +192°C at maximum current
  • Ametherm
  • Inrush current limiting thermistor
  • Resistance of 2Ω (at 25°C)
  • Maximum steady state current of 25A
  • Maximum recommended energy of 300J
  • Body temperature of +220°C at maximum current
  • Maximum disc diameter 30mm
  • Ametherm
  • Inrush current limiting thermistor
  • Resistance of 50Ω (at 25°C)
  • Maximum steady state current of 6A
  • Maximum recommended energy of 250J
  • Voltage rating from 120VAC to 680VAC
  • Body temperature of +212°C at maximum current
Calculators and Converters

Work out what you need for your project. Go to calculators and convertors

Please be advised that due to the ongoing supply issues with raw materials affecting the global electronics industry, as well as an increase in orders received by our manufacturing partners, a large number of products are facing increased lead times in recent months. For the latest lead time and stock availability, please contact one of our engineers who will be happy to discuss lead times further and the potential for alternative parts.