Inrush Current Limiting Thermistors

  • Ametherm
  • Inrush current limiting thermistor
  • Resistance of 5Ω (at 25°C)
  • Maximum steady state current of 25A
  • Maximum recommended energy of 600J
  • Body temperature of +220°C at maximum current
  • Maximum isc diameter 36mm
  • Exempt
  • Ametherm
  • Inrush current limiting thermistor
  • Resistance of 150Ω (at 25°C)
  • Maximum steady state current of 2A (<+25°C)
  • Maximum recommended energy of 110J
  • Voltage rating from 120VAC to 680VAC
  • Body temperature of +172°C at maximum current
  • Exempt
  • Ametherm
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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

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Inrush Current Limiting Thermistors

Inrush current limiting thermistors are used for protecting the circuit against occasional current spikes significantly higher than normal operating current, which could otherwise damage the equipment. At Rhopoint Components we offer a range of current limiting resistors from industry-leading manufacturer Ametherm, with various sizes, resistance and maximum steady-state current options available. The Ametherm thermistors compare favourably with traditional inrush current limiters, offering lower current density, faster reset time, wider temperature range and virtually no derating.