B57364S0509M054

Inrush Current Limiters (ICL) Overview

The B57364S0509M054 is an NTC thermistor from the S364 series, designed for inrush current limiting. It features a nominal resistance of 5 ohms at 25°C with a tolerance of ±20%. The component has a maximum rated power of 5100 mW and a thermal time constant of 100 seconds. Physical dimensions include a height of 7 mm, width of 7 mm, and length of 21 mm. Operating temperatures range from -55°C to 170°C. It utilizes radial leads for PCB mounting.

Inrush Current Limiters (ICL) Feature Summary

• Functions as an inrush current limiter (ICL) to protect electronic circuits during power-up.
• Constructed with negative temperature coefficient (NTC) characteristics for rapid resistance change upon heating.
• Designed for through-hole PCB installation using radial termination style.

Inrush Current Limiters (ICL) Applications

• Inrush current limiting in power supply units
• Protection of electronic circuits against startup surge currents
• General circuit protection applications requiring thermal resistance

Inrush Current Limiters (ICL) Procurement Notes

Verify the manufacturer designation carefully, as TDK Electronics has discontinued the EPCOS brand for passive components. Ensure the ordering suffix matches the required resistance and tolerance specifications. Confirm that the component meets RoHS3 and REACH compliance requirements for your specific manufacturing region before finalizing procurement orders.

Inrush Current Limiters (ICL) Selection Notes

Select this component based on the required steady-state resistance and peak current handling capabilities. Ensure the thermal time constant aligns with the system's response speed requirements. Verify that the physical dimensions fit the available PCB space and that the operating temperature range covers the expected environmental conditions of the application.

Inrush Current Limiters (ICL) Part Context

This part belongs to the B57364S0 series of NTC thermistors manufactured by TDK Electronics. The series is specifically engineered for inrush current limiting applications. Historically associated with the EPCOS brand prior to its integration into TDK, these components are widely used in consumer electronics and industrial equipment for surge protection.

Inrush Current Limiters (ICL) Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. When replacing, ensure the new component matches the 5-ohm resistance, 20% tolerance, and radial lead configuration. Verify compatibility with existing PCB footprints and thermal management requirements.