Inrush Current Limiting Thermistors

  • Ametherm
  • Inrush current limiting thermistor
  • Resistance of 30Ω ±20% (at 25°C)
  • Maximum steady state current of 5A
  • Maximum recommended energy of 80J
  • Voltage ratings of 120VAC and 240VAC
  • Body temperature of +172°C at maximum current
  • Ametherm
  • Inrush current limiting thermistor
  • Resistance of 40Ω (at 25°C)
  • Maximum steady state current of 5A
  • Maximum recommended energy of 63J
  • Voltage ratings of 120VAC and 240VAC
  • Body temperature of +162°C at maximum current
  • Ametherm
  • Inrush current limiting thermistor
  • Resistance of 47Ω(at 25°C)
  • Maximum steady state current of 3A
  • Maximum recommended energy of 90J
  • Voltage ratings of 120VAC and 240VAC
  • Maximum disc diameter 22mm
  • Ametherm
  • Inrush current limiting thermistor
  • Resistance of 4Ω (at 25°C)
  • Maximum steady state current of 14A
  • Maximum recommended energy of 100J
  • Voltage ratings of 120VAC and 240VAC
  • Body temperature of +214°C at maximum current
  • Ametherm
  • Inrush current limiting thermistor
  • Resistance of 50Ω(at 25°C)
  • Maximum steady state current of 4A
  • Maximum recommended energy of 80J
  • Voltage ratings of 120VAC and 240VAC
  • Body temperature of +162°C at maximum current
  • Ametherm
  • Inrush current limiting thermistor
  • Resistance of 5Ω (at 25°C)
  • Maximum steady state current of 6A
  • Maximum recommended energy of 50J
  • Voltage ratings of 120VAC and 240VAC
  • Body temperature of +165°C at maximum current
  • Ametherm
  • Inrush current limiting thermistor
  • Resistance of 5Ω (at 25°C)
  • Maximum steady state current of 12A
  • Maximum recommended energy of 100J
  • Voltage ratings of 120VAC and 240VAC
  • Body temperature of +214°C at maximum current
  • Ametherm
  • Inrush current limiting thermistor
  • Resistance of 60Ω (at 25°C)
  • Maximum steady state current of 3A
  • Maximum recommended energy of 72J
  • Voltage ratings of 120VAC and 240VAC
  • Body temperature of +162°C at maximum current

Manufacturers

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The below manufacturers are all of our authorised partners that produce Inrush Current Limiting Thermistors or related products.

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.

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.