SL154R008

Inrush Current Limiters (ICL) Overview

The SL154R008 is a radial lead Negative Temperature Coefficient (NTC) thermistor designed as an inrush current limiter. It features a nominal resistance of 4 Ohms at 25°C with a tolerance of ±20%. The component has a disc diameter of 16 mm and supports a maximum steady-state current of 8 A. It is rated for voltages up to 230 VAC and offers a maximum energy rating of 40 J at 25°C. The device utilizes a kinked lead configuration for PCB mounting.

Inrush Current Limiters (ICL) Feature Summary

• Provides effective limitation of high inrush currents during power supply startup to protect sensitive components
• Features a robust NTC ceramic construction suitable for repeated thermal cycling
• Includes UL certification for compliance with safety standards

Inrush Current Limiters (ICL) Applications

• Switching power supplies
• Industrial automation systems
• Embedded systems

Inrush Current Limiters (ICL) Procurement Notes

Verify the specific ordering suffix against official Vishay Ametherm documentation to ensure accurate electrical parameters and package type. Confirm that the kinked lead variant matches the target PCB footprint requirements. Cross-reference the manufacturer part number with authorized distributor catalogs to validate authenticity and current production status before finalizing procurement orders.

Inrush Current Limiters (ICL) Selection Notes

Select this component based on the required 4 Ohm resistance value and 8 A current handling capability. Ensure the 16 mm diameter fits within the available board space constraints. Verify that the voltage rating meets the system's peak input requirements. Consider the thermal dissipation characteristics relative to the ambient operating temperature range specified in the datasheet.

Inrush Current Limiters (ICL) Part Context

This component belongs to the SL15 series of inrush current limiters manufactured by Vishay Ametherm. The series is characterized by radial leaded NTC thermistors optimized for protecting electronic circuits from initial surge currents. The SL154R008 specifically denotes the 4 Ohm resistance variant within this standardized product line.

Inrush Current Limiters (ICL) Replacement Considerations

SL15 4R008

Inrush Current Limiters (ICL) FAQ

What is the maximum steady-state current rating?

The maximum steady-state current rating is 8 A.

Is this component UL certified?

Yes, the SL154R008 holds UL certification.