We’re Exhibiting at Space Tech Europe 2025

Space Tech Expo Europe, 18-20th November 2025, Bremen, Germany, Stand G56

Ametherm

  • Ametherm

Ametherm MS15 40004

  • Inrush current limiting thermistor
  • Resistance of 30Ω (at 25°C)
  • Maximum steady state current of 4.2A (<+25°C)
  • Maximum recommended energy of 135J
  • Voltage ratings from 120VAC to 680VAC
  • Body temperature of +150°C at maximum current
  • Exempt
  • Ametherm

Ametherm MS22 10008

  • Inrush current limiting thermistor
  • Resistance of 10Ω (at 25°C)
  • Maximum steady state current of 8A up to +25°C
  • Maximum recommended energy of 200J
  • Voltage rating from 120VAC to 680VAC
  • Body temperature of +194°C at maximum current
  • Exempt
  • Ametherm

Ametherm MS22 12102

  • Inrush current limiting thermistor
  • Resistance of 120Ω ±25% (at 25°C)
  • Maximum steady state current of 2A
  • Maximum recommended energy of 220J
  • Voltage rating from 120VAC to 680VAC
  • Body temperature of +155°C at maximum current
  • Exempt
  • Ametherm

Ametherm MS22 12103

  • Inrush current limiting thermistor
  • Resistance of 120Ω (at 25°C)
  • Maximum steady state current of 3A
  • Maximum recommended energy of 220J
  • Voltage rating from 120VAC to 680VAC
  • Body temperature of +165°C at maximum current
  • Exempt
  • Ametherm

Ametherm MS22 12104

  • Inrush current limiting thermistor
  • Resistance of 120Ω (at 25°C)
  • Maximum steady state current of 4A
  • Maximum recommended energy of 220J
  • Voltage rating from 120VAC to 680VAC
  • Body temperature of +175°C at maximum current
  • Exempt
  • Ametherm

Ametherm MS22 20005

  • Inrush current limiting thermistor
  • Resistance of 20Ω (at 25°C)
  • Maximum steady state current of 5A
  • Maximum recommended energy of 180J
  • Voltage rating from 120VAC to 680VAC
  • Body temperature of +170°C at maximum current
  • Exempt
  • Ametherm

Ametherm MS22 22103

  • Inrush current limiting thermistor
  • Resistance of 220Ω (at 25°C)
  • Maximum steady state current of 3.5A
  • Maximum recommended energy of 75J
  • Voltage rating from 120VAC to 680VAC
  • Actual energy failure at 175J
  • 1.4Ω at 100% maximum current and 2.75Ω at 50% maximum current
  • Body temperature of +144°C at maximum current
  • Exempt
  • Ametherm

Ametherm MS22 30005

  • Inrush current limiting thermistor
  • Resistance of 30Ω (at 25°C)
  • Maximum steady state current of 5A
  • Maximum recommended energy of 150J
  • Voltage rating from 120VAC to 680VAC
  • Body temperature of +174°C at maximum current
  • Exempt
  • Ametherm

Ametherm MS22 50004

  • Inrush current limiting thermistor,
  • Resistance of 50Ω (at 25°C)
  • Maximum steady state current of 4A
  • Maximum recommended energy of 240J
  • Voltage rating from 120VAC to 680VAC
  • Body temperature of +159°C at maximum current
  • Exempt
  • Ametherm

Ametherm MS22 75004

  • Inrush current limiting thermistor
  • Resistance of 75Ω (at 25°C)
  • Maximum steady state current of 4A
  • Maximum recommended energy of 240J
  • Voltage rating from 120VAC to 680VAC
  • Body temperature of +169°C at maximum current
  • Exempt
  • Ametherm

Ametherm MS32 0R536

  • Inrush current limiting thermistor
  • Resistance of 0.5Ω (at 25°C)
  • Maximum steady state current of 36A
  • Maximum recommended energy of 250J
  • Voltage rating from 120VAC to 680VAC
  • Body temperature of +214°C at maximum current
  • Exempt
  • Ametherm

Ametherm MS32 0R540

  • Inrush current limiting thermistor
  • Resistance of 0.5Ω ±25% (at 25°C)
  • Maximum steady state current of 40A
  • Maximum recommended energy of 250J
  • Voltage rating from 120VAC to 680VAC
  • Body temperature of +244°C at maximum current
  • Exempt
  • Ametherm

Ametherm MS32 10015

  • 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 +224°C at maximum current
  • Exempt
  • Ametherm

Ametherm MS32 15012

  • Inrush current limiting thermistor
  • Resistance of 15Ω (at 25°C)
  • Maximum steady state current of 12A
  • Maximum recommended energy of 250
  • Voltage rating from 120VAC to 680VAC
  • Body temperature of +229°C at maximum current
  • Exempt
  • Ametherm

Ametherm MS32 20008

  • Inrush current limiting thermistor
  • Resistance of 20Ω (at 25°C)
  • Maximum steady state current of 8A
  • Maximum recommended energy of 250J
  • Voltage rating from 120VAC to 680VAC
  • Body temperature of +204°C at maximum current
  • Exempt
  • Ametherm

Ametherm MS32 20010

  • Inrush current limiting thermistor
  • Resistance of 20Ω (at 25°C)
  • Maximum steady state current of 10A
  • Maximum recommended energy of 250
  • Voltage rating from 120VAC to 680VAC
  • Body temperature of +224°C at maximum current
  • Exempt

Ametherm MS15 40004

  • Inrush current limiting thermistor
  • Resistance of 30Ω (at 25°C)
  • Maximum steady state current of 4.2A (<+25°C)
  • Maximum recommended energy of 135J
  • Voltage ratings from 120VAC to 680VAC
  • Body temperature of +150°C at maximum current

Ametherm MS22 10008

  • Inrush current limiting thermistor
  • Resistance of 10Ω (at 25°C)
  • Maximum steady state current of 8A up to +25°C
  • Maximum recommended energy of 200J
  • Voltage rating from 120VAC to 680VAC
  • Body temperature of +194°C at maximum current

Ametherm MS22 12102

  • Inrush current limiting thermistor
  • Resistance of 120Ω ±25% (at 25°C)
  • Maximum steady state current of 2A
  • Maximum recommended energy of 220J
  • Voltage rating from 120VAC to 680VAC
  • Body temperature of +155°C at maximum current

Ametherm MS22 12103

  • Inrush current limiting thermistor
  • Resistance of 120Ω (at 25°C)
  • Maximum steady state current of 3A
  • Maximum recommended energy of 220J
  • Voltage rating from 120VAC to 680VAC
  • Body temperature of +165°C at maximum current

Ametherm MS22 12104

  • Inrush current limiting thermistor
  • Resistance of 120Ω (at 25°C)
  • Maximum steady state current of 4A
  • Maximum recommended energy of 220J
  • Voltage rating from 120VAC to 680VAC
  • Body temperature of +175°C at maximum current

Ametherm MS22 20005

  • Inrush current limiting thermistor
  • Resistance of 20Ω (at 25°C)
  • Maximum steady state current of 5A
  • Maximum recommended energy of 180J
  • Voltage rating from 120VAC to 680VAC
  • Body temperature of +170°C at maximum current

Ametherm MS22 22103

  • Inrush current limiting thermistor
  • Resistance of 220Ω (at 25°C)
  • Maximum steady state current of 3.5A
  • Maximum recommended energy of 75J
  • Voltage rating from 120VAC to 680VAC
  • Actual energy failure at 175J
  • 1.4Ω at 100% maximum current and 2.75Ω at 50% maximum current
  • Body temperature of +144°C at maximum current

Ametherm MS22 30005

  • Inrush current limiting thermistor
  • Resistance of 30Ω (at 25°C)
  • Maximum steady state current of 5A
  • Maximum recommended energy of 150J
  • Voltage rating from 120VAC to 680VAC
  • Body temperature of +174°C at maximum current

Ametherm MS22 50004

  • Inrush current limiting thermistor,
  • Resistance of 50Ω (at 25°C)
  • Maximum steady state current of 4A
  • Maximum recommended energy of 240J
  • Voltage rating from 120VAC to 680VAC
  • Body temperature of +159°C at maximum current

Ametherm MS22 75004

  • Inrush current limiting thermistor
  • Resistance of 75Ω (at 25°C)
  • Maximum steady state current of 4A
  • Maximum recommended energy of 240J
  • Voltage rating from 120VAC to 680VAC
  • Body temperature of +169°C at maximum current

Ametherm MS32 0R536

  • Inrush current limiting thermistor
  • Resistance of 0.5Ω (at 25°C)
  • Maximum steady state current of 36A
  • Maximum recommended energy of 250J
  • Voltage rating from 120VAC to 680VAC
  • Body temperature of +214°C at maximum current

Ametherm MS32 0R540

  • Inrush current limiting thermistor
  • Resistance of 0.5Ω ±25% (at 25°C)
  • Maximum steady state current of 40A
  • Maximum recommended energy of 250J
  • Voltage rating from 120VAC to 680VAC
  • Body temperature of +244°C at maximum current

Ametherm MS32 10015

  • 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 +224°C at maximum current

Ametherm MS32 15012

  • Inrush current limiting thermistor
  • Resistance of 15Ω (at 25°C)
  • Maximum steady state current of 12A
  • Maximum recommended energy of 250
  • Voltage rating from 120VAC to 680VAC
  • Body temperature of +229°C at maximum current

Ametherm MS32 20008

  • Inrush current limiting thermistor
  • Resistance of 20Ω (at 25°C)
  • Maximum steady state current of 8A
  • Maximum recommended energy of 250J
  • Voltage rating from 120VAC to 680VAC
  • Body temperature of +204°C at maximum current

Ametherm MS32 20010

  • Inrush current limiting thermistor
  • Resistance of 20Ω (at 25°C)
  • Maximum steady state current of 10A
  • Maximum recommended energy of 250
  • Voltage rating from 120VAC to 680VAC
  • Body temperature of +224°C at maximum current
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