SL12 8R003-A

Inrush Current Limiters (ICL) Overview

The SL128R003A is an NTC thermistor inrush current limiter from the Vishay Ametherm SL12 series. It features a nominal resistance of 8 Ohms with a tolerance of ±20% and a steady-state current rating of 3 A. The component has a cylindrical body diameter of 12 mm (0.512 inches) and utilizes radial leads for PCB mounting. It is designed to suppress high inrush currents during power-up, protecting downstream circuitry from thermal stress.

Inrush Current Limiters (ICL) Feature Summary

• Suppresses high inrush currents during power-up to protect downstream components
• Utilizes negative temperature coefficient characteristics for automatic resistance adjustment
• Provides reliable protection against thermal stress in electronic circuits

Inrush Current Limiters (ICL) Applications

• Power supply input stages
• Transformer primary circuits
• Capacitor charging circuits

Inrush Current Limiters (ICL) Procurement Notes

Verify the specific suffix 'A' corresponds to the required lead configuration or marking as defined by the manufacturer's official documentation. Confirm that the 12 mm body size fits within the designated PCB footprint and clearance requirements. Ensure the 3 A steady-state current rating exceeds the maximum operating current of the target application to prevent overheating.

Inrush Current Limiters (ICL) Selection Notes

Select this component when an 8 Ohm initial resistance is required to limit inrush current to safe levels. The 3 A current rating suits applications with moderate power demands. Consider the 12 mm diameter for available board space. Verify compatibility with the operating voltage range and ambient temperature conditions specified in the datasheet to ensure long-term reliability.

Inrush Current Limiters (ICL) Part Context

This part belongs to the SL12 series of inrush current limiters, characterized by a 12 mm body diameter. The series offers various resistance and current combinations to suit different power levels. Vishay Ametherm manufactures these NTC thermistors specifically for protecting sensitive electronics from startup surges.

Inrush Current Limiters (ICL) FAQ

What is the steady-state current rating?

The steady-state current rating is 3 A.

What is the nominal resistance value?

The nominal resistance is 8 Ohms with a tolerance of ±20%.