Inrush Current Limiting Thermistors

Ametherm AS32 0R536

  • 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
  • Exempt

Specifications

Weight 0.00000 kg
Dimensions 23.80 x 7.80 x 29.00mm
Actual Energy Failure

600J

Dissipation Constant

78.2mW/°C

Material Type

Mounting / Size

Resistance at +25°C

0.5Ω

Series / Model

,

Tolerance

Inrush Current Limiting Thermistors

Ametherm AS32 0R536

  • 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
  • Exempt

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Related Ametherm AS32 0R536 Components

The AS32 0R536 inrush current limiting thermistor from Ametherm offers a maximum steady state current of 36A (up to +25°C) and a resistance of 0.5Ω ±25% (at 25°C). The Ametherm AS series are designed to withstand high steady-state current and input energy. Compared to traditional inrush current limiters, the devices offer lower current density, faster reset times, and a wider temperature range without derating. This lower current density, in combination with a uniform temperature gradient throughout the disc, increases reliability by eliminating hot spots from fatigue. The AS series from Ametherm are suitable for high energy and short term high current applications.

  • Inrush current limiting thermistor
  • Resistance of 0.5Ω (at 25°C)
  • Maximum steady state current of 36A (up to +25°C)
  • Maximum recommended energy of 300J (Actual energy failure at 600J)
  • 0.01Ω at 100% maximum current and 0.03Ω at 50% maximum current
  • Body temperature of +183°C at maximum current
  • Material type B (for beta and curve)
  • Tolerance ±25%
  • Dissipation constant of 78.2mW/°C
  • Thermal time constant of 55mW/s
  • Recognised by Underwriters Laboratories (UL) for ensured safety

 

Typical applications for the AS series include:

  • Protection of pre-charge circuits in lithium ion batteries
  • Variable-frequency drives in sports equipment like treadmills, high-speed computers and processors
  • Switch mode power supplies for plasma cutters, welders, audio amplifiers, MRIs and x-ray machines

The below table gives the full specifications of the Ametherm AS32 0R536 series:

Ametherm AS32 0R536 Specifications

Inrush Current Limiting Thermistors

Ametherm AS32 0R536