Inrush Current Limiting Thermistors

Ametherm SL12 5R002

  • Inrush current limiting thermistor
  • Resistance of 5Ω (at 20°C)
  • Maximum steady state current of 2A
  • Maximum recommended energy of 25J
  • Voltage ratings of 120VAC and 240VAC
  • Body temperature of +152°C at maximum current
  • Ametherm
  • Exempt

Specifications

Weight 0.00000 kg
Dimensions 18.00 x 5.00 x 13.00mm
Actual Energy Failure

50J

Dissipation Constant

12.7mW/°C

Material Type

Maximum Steady State Current

2A

Mounting / Size

Resistance at +25°C

5Ω

Series / Model

,

Thermal Time Constant

47mW/s

Tolerance

Voltage Rating

-

Inrush Current Limiting Thermistors

Ametherm SL12 5R002

  • Inrush current limiting thermistor
  • Resistance of 5Ω (at 20°C)
  • Maximum steady state current of 2A
  • Maximum recommended energy of 25J
  • Voltage ratings of 120VAC and 240VAC
  • Body temperature of +152°C at maximum current
  • Ametherm
  • Exempt

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Related Ametherm SL12 5R002 Components

The SL12 5R002 inrush current limiting thermistor from Ametherm offers a maximum steady state current of 2A (up to +65°C), resistance of 5Ω ±20% (at 25°C) and a maximum recommended energy rating of 25J. The Ametherm SL series suppresses surge currents that occur when electrical circuits are switched on, preventing serious damage to sensitive electronic components if their rated current values are exceeded. Connected in series with the load, at “switch-on” they limit the current due to its relatively high cold resistance. As a result of current flow, the thermistor self-heats and in turn reducing its resistance value so that once the initial surge current has been safely held off, the resistance in the thermistor is maintained at a low value to maximise efficiency

  • Inrush current limiting thermistor
  • Resistance of 5Ω (at 20°C)
  • Maximum steady state current of 2A (up to +65°C)
  • Maximum recommended energy of 25J
  • Voltage ratings of 120VAC and 240VAC
  • Actual energy failure at 50J
  • 0.3Ω at 100% maximum current and 0.6Ω at 50% maximum current
  • Body temperature of +152°C at maximum current
  • Dissipation constant of 12.7mW/°C
  • Tolerance ±20%
  • Thermal time constant of 47s
  • Material Type B (for Beta and Curve)

 

Typical applications for the SL series include:

  • Limit current inrush to PSUs and battery chargers
  • Lighting circuits and thermostat protection
  • Electric motor soft start

The below table gives the full specifications of the Ametherm SL12 5R002

Ametherm SL12 5R002 Specifications

Inrush Current Limiting Thermistors

Ametherm SL12 5R002