B57464S0509M000

Inrush Current Limiters (ICL) Overview

The B57464S0509M000 is a negative temperature coefficient (NTC) thermistor designed for inrush current limiting. It features a nominal resistance of 5 Ohms with a tolerance of ±20%. The component has a maximum steady-state current rating of 9.5 A and a power dissipation rating of 6.7 W. It utilizes a radial leaded package with a body diameter of 26 mm, suitable for PCB mounting.

Inrush Current Limiters (ICL) Feature Summary

• Provides effective suppression of high inrush currents during power-up to protect downstream electronic components.
• Utilizes NTC material properties to automatically reduce resistance as the device heats up during operation.
• Designed for robust performance within automotive and industrial environments requiring reliable surge protection.

Inrush Current Limiters (ICL) Applications

• Inrush current limiting in AC/DC power supplies
• Surge protection in automotive electronic control units
• Industrial equipment power input stages

Inrush Current Limiters (ICL) Procurement Notes

Verify the specific ordering suffix against the manufacturer's official datasheet to ensure correct resistance and tolerance specifications. Confirm that the thermal management requirements align with the component's power dissipation ratings. Check for any recent product change notifications regarding manufacturing updates or material substitutions before finalizing procurement orders.

Inrush Current Limiters (ICL) Selection Notes

Select this component based on the required nominal resistance value and the maximum continuous current expected in the circuit. Ensure the physical dimensions fit the available PCB footprint. Consider the ambient operating temperature range and the thermal coupling to other components to guarantee stable performance under all intended load conditions.

Inrush Current Limiters (ICL) Part Context

This part belongs to the S464 series of NTC inrush current limiters manufactured by EPCOS, which is now integrated into TDK Electronics. The series is widely recognized for its reliability in protecting sensitive electronics from startup surges. These components are standard solutions in modern power conversion architectures across various sectors.

Inrush Current Limiters (ICL) Replacement Considerations

• B57464S0100M000
• B57464S0259M000

Inrush Current Limiters (ICL) FAQ

What is the typical application voltage range for this component?

It is commonly used in systems rated for 115 VAC and 230 VAC applications.

Does the resistance value change during operation?

Yes, as an NTC thermistor, its resistance decreases significantly as it heats up due to current flow.