SL18 2R508-A

Inrush Current Limiters (ICL) Overview

The SL182R508 is a radial lead inrush current limiter from the Vishay Ametherm SL18 series. It features a nominal resistance of 2.5 Ohms with a tolerance of ±20%. The component supports steady-state currents up to 8 A at 65°C and withstands maximum recommended energy of 90 Joules. Rated for 115 VAC and 230 VAC, it has a 19 mm diameter body with 7.8 mm lead spacing.

Inrush Current Limiters (ICL) Feature Summary

• Utilizes NTC thermistor technology to limit inrush current during power-up
• Designed for PCB mounting with radial kinked leads for secure placement
• Capable of absorbing high surge energy without failure

Inrush Current Limiters (ICL) Applications

• Power supply input stages
• Transformer primary circuits
• Capacitive load protection

Inrush Current Limiters (ICL) Procurement Notes

Verify the specific suffix designation against the manufacturer datasheet to confirm mechanical lead configuration. Ensure thermal derating calculations align with the 65°C steady-state current rating for the intended operating environment.

Inrush Current Limiters (ICL) Selection Notes

Select this component based on the required 2.5 Ohm cold resistance and 8 A continuous current capacity. Confirm that the 90 Joule energy rating exceeds the peak inrush energy of the target circuit application.

Inrush Current Limiters (ICL) Part Context

This part belongs to the SL18 series of inrush current limiters manufactured by Vishay / Ametherm. These components are designed for general-purpose AC/DC power applications requiring robust surge protection.

Inrush Current Limiters (ICL) FAQ

What is the maximum recommended energy absorption?

The component can withstand a maximum recommended energy of 90 Joules.

What is the steady-state current rating?

The maximum steady-state current is 8.00 A at an ambient temperature of 65°C.