B57234S0509M051

Overview

The B57234S0509M051 is an NTC thermistor designed for inrush current limiting. It features a resistance of 5 Ohms at 25°C and a B-value of 2900K. The component has a case diameter of 15.00mm (0.591 inches) and supports a maximum current rating of 6.4 A. It operates within a temperature range of -55°C to +170°C and is supplied in tape and reel packaging.

Feature Summary

• Provides effective inrush current limitation for electronic circuits
• Ensures high long-term stability in demanding environments
• Delivers precise temperature sensing capabilities through tight tolerance control

Applications

• Smartphones
• Automotive electronics
• LED modules
• Industrial equipment

Procurement Notes

Verify the specific electrical parameters, including resistance tolerance and current ratings, against the official manufacturer datasheet before integration. Confirm that the operating temperature range aligns with the thermal requirements of the target application environment to ensure reliable performance.

Selection Notes

Select this component when designing circuits requiring robust inrush current protection with precise thermal characteristics. Consider the physical dimensions and mounting style compatibility with the PCB layout. Ensure the voltage and current ratings exceed the peak operational demands of the system to prevent component failure.

Part Context

This part belongs to the EPCOS TDK SMD NTC thermistor series, which are semiconductor resistors engineered for temperature measurement and compensation. The series is characterized by excellent stability under high temperature and humidity conditions, making it suitable for critical applications in consumer electronics and automotive systems.

Replacement Considerations

Consult official substitution lists for compatible parts with matching resistance values and B-constants. Verify dimensional compatibility and thermal performance specifications before replacing the original component to maintain circuit integrity.