B57237S0479M000

Inrush Current Limiters (ICL) Overview

The B57237S0479M000 is an NTC thermistor designed for inrush current limiting applications. It features a nominal resistance of 4.7 Ohms with a tolerance of ±20%. The component has a maximum steady-state current rating of 5.1 A and operates at voltage ratings of 115 VAC or 230 VAC. It utilizes a radial leaded package with a diameter of 15 mm and a lead spacing of 10 mm. The device functions within a temperature range of -55 °C to +170 °C, ensuring reliable performance in demanding electronic circuits.

Inrush Current Limiters (ICL) Feature Summary

• Provides effective suppression of high inrush currents during power-up phases
• Ensures long-term stability and reliability under continuous operation conditions
• Supports standard AC voltage ratings suitable for widespread industrial use

Inrush Current Limiters (ICL) Applications

• Power supply units requiring surge protection
• Industrial control systems
• Consumer electronics with AC input stages

Inrush Current Limiters (ICL) Procurement Notes

Verify the specific datasheet version and RoHS compliance status directly with TDK Electronics before procurement. Confirm that the radial lead configuration matches the target PCB layout requirements. Ensure the thermal environment does not exceed the specified operating temperature limits to maintain component integrity and performance specifications.

Inrush Current Limiters (ICL) Selection Notes

Select this component based on its 4.7 Ohm resistance value and 5.1 A current handling capability. Consider the 15 mm diameter for spatial constraints and the radial lead style for through-hole mounting. Evaluate the B-parameter characteristics if precise thermal compensation is required alongside current limiting functions in the circuit design.

Inrush Current Limiters (ICL) Part Context

This part belongs to the S-series NTC thermistors manufactured by EPCOS, now integrated into TDK Electronics. These components are specifically engineered for inrush current limiting tasks. The product line emphasizes robust construction and consistent electrical parameters across various voltage and current ratings for diverse electronic applications.

Inrush Current Limiters (ICL) Replacement Considerations

Cross-reference with other S-series variants such as B57153S0479M000 for similar resistance but different physical dimensions. Verify compatibility with alternative manufacturers offering equivalent 4.7 Ohm inrush limiters with matching current and voltage ratings.