SL152R509A

Inrush Current Limiters (ICL) Overview

The Vishay Ametherm SL152R509A is a radial leaded NTC inrush current limiter from the SL15 series. It features a nominal resistance of 2.5 Ohms with a tolerance of ±20%. The component has a maximum steady-state current rating of 9 A and voltage ratings of 115 VAC or 230 VAC. Physical dimensions include a diameter of 16 mm, width of 5 mm, and lead spacing of 7.8 mm. It utilizes PCB mount installation.

Inrush Current Limiters (ICL) Feature Summary

• Utilizes Negative Temperature Coefficient (NTC) thermistor technology to limit initial surge currents during power-up
• Designed for radial through-hole mounting on printed circuit boards
• Provides protection against high inrush energy in power supply circuits

Inrush Current Limiters (ICL) Applications

• Power supply input stages
• Consumer electronics power inputs
• Industrial control equipment

Inrush Current Limiters (ICL) Procurement Notes

Verify the specific suffix 'A' against official manufacturer documentation to confirm if it denotes a distinct variant or standard configuration. Ensure the selected component matches the required 2.5 Ohm resistance and 9 A current rating for the target application. Confirm compliance with relevant safety standards before integration.

Inrush Current Limiters (ICL) Selection Notes

Select this component when a 2.5 Ohm resistance value is required to manage inrush current up to 9 A. Consider the 16 mm diameter and 7.8 mm lead spacing for adequate PCB footprint clearance. Evaluate thermal dissipation requirements as the device operates within specified ambient temperature limits.

Inrush Current Limiters (ICL) Part Context

This part belongs to the Vishay Ametherm SL15 series of NTC inrush current limiters. The series provides various resistance and current combinations for different power levels. These components are designed to replace fuses or resistors in applications requiring surge suppression without compromising steady-state performance.

Inrush Current Limiters (ICL) FAQ

What is the primary function of the SL152R509A?

It acts as an NTC thermistor to restrict high inrush currents during the initial power-on phase of electronic circuits.

What is the physical package type?

The component uses a radial leaded package designed for PCB mounting.