B57236S0229M051

Overview

The B57236S0229M051 is a leaded and coated NTC thermistor disk from the EPCOS (TDK) B57236S series, designed for inrush current limiting. It features a nominal resistance of 22 Ω at 25°C with a ±20% tolerance and a B value of 3165 K. The component has a maximum power dissipation of 1.8 W and operates within a temperature range of -55°C to +170°C. It utilizes a radial through-hole mounting style with a disk package measuring 11.5 mm in diameter and 6.0 mm in width.

Feature Summary

• Provides effective inrush current limiting in electronic circuits
• Features high long-term stability under thermal stress
• Utilizes a robust leaded and coated disk construction

Applications

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

Procurement Notes

Verify the specific suffix M051 against official TDK documentation to confirm exact tolerance and B-value parameters. Ensure the procurement source provides valid datasheets matching the B57236S series specifications. Confirm that the component meets required safety certifications such as UL or VDE if applicable to the end application.

Selection Notes

Select this component based on the required steady-state resistance and peak current handling capabilities. Compare the B value and power rating against circuit requirements to ensure adequate thermal management. Verify that the physical dimensions fit the available PCB space for radial mounting.

Part Context

This part belongs to the B57236S family of NTC thermistors specifically engineered for inrush current suppression. These components are widely used in industrial and consumer electronics to protect sensitive downstream components from high initial charging currents during power-up events.

Replacement Considerations

Compatible substitutes include other B57236S variants with similar resistance values, such as B57236S0109M051 or B57236S0479M051, provided they match the electrical and mechanical requirements.