B57464S0109M000

Inrush Current Limiters (ICL) Overview

The B57464S0109M000 is an NTC thermistor designed for inrush current limiting. It features a nominal resistance of 1 Ohm with a tolerance of ±20%. The component has a maximum continuous current rating of 20 A and a power rating of 6.7 W. It operates within a temperature range of -55°C to +170°C. Physical dimensions include a diameter of 27 mm, width of 7 mm, and lead spacing of 7.5 mm.

Inrush Current Limiters (ICL) Feature Summary

• Utilizes negative temperature coefficient characteristics to limit initial surge currents
• Provides radial through-hole mounting for printed circuit board integration
• Engineered for high thermal stability across extended operating temperatures

Inrush Current Limiters (ICL) Applications

• Power supply input stages
• Transformer protection circuits
• Motor drive systems

Inrush Current Limiters (ICL) Procurement Notes

Verify the specific ordering code against official TDK Electronics documentation to ensure correct resistance value and tolerance. Confirm that the 20 A current rating and 6.7 W power dissipation meet the target application requirements. Check for any recent product change notifications regarding material or dimensional updates before finalizing procurement.

Inrush Current Limiters (ICL) Selection Notes

Select this component based on the required 1 Ohm nominal resistance and 20 A peak current capability. Ensure the PCB layout accommodates the 27 mm disk diameter and 7.5 mm lead pitch. Validate that the ambient temperature environment remains within the specified -55°C to +170°C operational range for reliable performance.

Inrush Current Limiters (ICL) Part Context

This part belongs to the S464 series of NTC inrush current limiters manufactured by EPCOS (TDK). These components are specifically engineered to protect electronic equipment from damaging surge currents during power-up. The series offers various resistance values tailored for different power levels and voltage ratings.

Inrush Current Limiters (ICL) Replacement Considerations

Consult the official TDK ordering code list for direct substitutes within the B57464S series. Verify compatibility of alternative parts regarding resistance, current rating, and physical footprint before implementation.