B57237S0259M051

Inrush Current Limiters (ICL) Overview

The B57237S0259M051 is an NTC thermistor designed for inrush current limiting. It features a resistance of 2.5 Ohms at 25°C with a tolerance of ±20%. The component supports a maximum steady-state current of 6.5 A and has a diameter of 15 mm. It utilizes radial termination for PCB mounting.

Inrush Current Limiters (ICL) Feature Summary

• NTC thermistor technology for inrush current limiting
• Radial leaded package for PCB mounting
• High steady-state current capability

Inrush Current Limiters (ICL) Applications

• Inrush current limiting in power supplies
• Protection of electronic circuits against startup surges
• Industrial equipment power input stages

Inrush Current Limiters (ICL) Procurement Notes

Verify the manufacturer designation, as EPCOS components are now branded under TDK Electronics. Confirm the specific part number suffix to ensure correct resistance and current ratings. Check datasheet revisions for any changes in mechanical dimensions or thermal characteristics before finalizing procurement.

Inrush Current Limiters (ICL) Selection Notes

Select this component based on the required steady-state current rating of 6.5 A and the 2.5 Ohm cold resistance. Ensure the PCB layout accommodates the 15 mm diameter and radial lead spacing. Verify thermal management requirements for the operating environment to maintain performance stability.

Inrush Current Limiters (ICL) Part Context

This component belongs to the B57237S0 series of NTC thermistors. The series is characterized by its use in limiting inrush currents during power-up phases. The product line is manufactured by TDK Electronics, formerly known as EPCOS, which specializes in passive electronic components.

Inrush Current Limiters (ICL) Replacement Considerations

Compatible substitutes include other NTC inrush limiters from the same family with matching electrical parameters. Verify that alternative parts meet the 6.5 A steady-state current and 2.5 Ohm resistance specifications.