MS15 15004-B

Inrush Current Limiters (ICL) Overview

The MS1515004B is an axial lead inrush current limiter from the MegaSurge series by Vishay Ametherm. It features a nominal resistance of 15 Ohms at 25°C with a tolerance of ±25%. The device supports a maximum steady-state current of 4.5 A and exhibits a hot resistance of 200 mOhms. Physical dimensions include a diameter of 0.591 inches (15.00 mm) and a lead spacing of 0.307 inches (7.80 mm). It is packaged in bulk quantities.

Inrush Current Limiters (ICL) Feature Summary

• Utilizes negative temperature coefficient technology to limit initial surge currents during power-up.
• Provides automatic reset functionality after cooling down, eliminating the need for replacement.
• Designed for robust protection against high inrush currents in capacitive loads.

Inrush Current Limiters (ICL) Applications

• Power supply input stages
• Capacitive load circuits
• DC circuit protection

Inrush Current Limiters (ICL) Procurement Notes

Verify the specific suffix 'B' against official datasheets to confirm if it denotes a distinct variant or packaging format compared to standard MS1515004. Confirm RoHS3 compliance status through manufacturer documentation prior to integration. Ensure thermal management requirements are met within the operating temperature range specified in the component data sheet.

Inrush Current Limiters (ICL) Selection Notes

Select this component when a 15 Ohm cold resistance and 4.5 A steady-state current rating are required. Consider the 15 mm diameter and axial lead configuration for PCB mounting constraints. Evaluate the 200 mOhms hot resistance for voltage drop considerations in the final application design.

Inrush Current Limiters (ICL) Part Context

This part belongs to the MegaSurge series of inrush current limiters. These components are engineered for general-purpose electronic applications requiring reliable surge suppression. The series offers various resistance and current ratings to suit different power levels and system architectures.

Inrush Current Limiters (ICL) Replacement Considerations

MS1515004 is a closely related part number within the same product family. Verify electrical parameters and physical dimensions before substitution to ensure compatibility with existing board layouts and circuit requirements.