B57234S0479M051

Overview

The B57234S0479M051 is an NTC thermistor designed as an inrush current limiter. It features a resistance of 4.7 Ohms and a B-value of 2900K. The component has a current rating of 5.1 A and operates within a voltage range of 110 VAC to 230 VAC. It is RoHS compliant and lead-free.

Feature Summary

• Limits initial surge currents during circuit startup
• Provides protection against overcurrent conditions
• Ensures stable operation in electronic circuits

Applications

• Power supply units
• Consumer electronics
• Industrial equipment

Procurement Notes

Verify the specific ordering code suffix to confirm package and tolerance details. Ensure compatibility with operating voltage requirements. Check for RoHS compliance status if required by project specifications. Confirm physical dimensions match PCB layout constraints before finalizing procurement.

Selection Notes

Select this component for applications requiring effective inrush current limiting. Consider the 4.7 Ohm resistance value for appropriate circuit protection. Evaluate the 5.1 A current rating against peak load requirements. Ensure the B-value matches thermal compensation needs.

Part Context

This part belongs to EPCOS (now TDK) NTC thermistor series. These components are widely used for temperature measurement and compensation. The product line offers high stability in various environments. TDK Electronics provides comprehensive solutions for automotive and industrial markets.

Replacement Considerations

Check for direct substitutes like B57237S0479M000. Verify electrical parameters match exactly. Ensure physical footprint compatibility. Confirm manufacturer specifications align with design requirements.