SL152R508

Inrush Current Limiters (ICL) Overview

The Vishay Ametherm SL152R508 is a radial lead NTC thermistor inrush current limiter designed for PCB mounting. It features a nominal resistance of 2.5 Ohms with a tolerance of ±20% and a rated current capacity of 8 A. The component supports voltage ratings of 115 VAC and 230 VAC, with a maximum operating temperature of +150°C. Physical dimensions include a diameter of 16 mm, width of 4.5 mm, and lead spacing of 7.8 mm. It offers high energy absorption capability, rated at 40 Joules, to protect sensitive electronic circuits from startup surges.

Inrush Current Limiters (ICL) Feature Summary

• Provides effective suppression of inrush currents during power-up sequences
• Capable of absorbing significant surge energy up to 40 Joules
• Utilizes negative temperature coefficient characteristics for automatic resistance adjustment

Inrush Current Limiters (ICL) Applications

• Power supply input protection
• Transformer inrush limiting
• Capacitor charging circuit protection

Inrush Current Limiters (ICL) Procurement Notes

Verify the specific package type and lead configuration against the official datasheet before integration. Confirm that the thermal environment allows for proper heat dissipation within the specified operating range. Ensure the application voltage does not exceed the rated limits to maintain component reliability and safety compliance.

Inrush Current Limiters (ICL) Selection Notes

Select this component when an 8 A steady-state current rating and 2.5 Ohms initial resistance are required. Consider the 16 mm diameter for adequate surface area if thermal management is critical. Compare against similar series parts if different physical footprints or higher/lower current ratings are needed for the specific design constraints.

Inrush Current Limiters (ICL) Part Context

This part belongs to the SL15 series of inrush current limiters manufactured by Vishay Ametherm. The series provides various resistance and current combinations to suit different power levels. These components are widely used in industrial and consumer electronics to extend the lifespan of downstream components by mitigating electrical stress during initial power application.

Inrush Current Limiters (ICL) Replacement Considerations

SL152R509

Inrush Current Limiters (ICL) FAQ

What is the maximum energy absorption rating?

The SL152R508 can withstand up to 40 Joules of inrush energy.

What is the maximum operating temperature?

The maximum operating temperature is +150°C.