B57236S229M

Inrush Current Limiters (ICL) Overview

The B57236S229M is a negative temperature coefficient (NTC) thermistor designed for inrush current limiting. It features a nominal resistance of 2.2 Ohms at 25°C with a tolerance of ±20%. The component supports a maximum steady-state current of 1 A and has a rated AC voltage of 265 V. It utilizes a radial leaded disk package with an 11.5 mm diameter and operates within a temperature range of -55°C to 170°C.

Inrush Current Limiters (ICL) Feature Summary

• Provides effective inrush current limitation during power-up sequences
• Features low steady-state resistance to minimize power loss
• Utilizes a robust coated disk construction for environmental protection

Inrush Current Limiters (ICL) Applications

• Switch-mode power supply input stages
• Protection of sensitive electronic components
• Capacitor lifespan extension in AC/DC converters

Inrush Current Limiters (ICL) Procurement Notes

Verify the specific suffix codes against official TDK documentation to ensure correct packaging and tolerance specifications. Confirm that the selected variant matches the required thermal and electrical ratings for the target application circuit. Cross-reference the manufacturer part number with authorized distributor catalogs to validate authenticity and compliance status.

Inrush Current Limiters (ICL) Selection Notes

Select this component based on the required nominal resistance and maximum steady-state current for the specific power supply design. Ensure the operating temperature range aligns with the environmental conditions of the final assembly. Consider the physical dimensions and lead spacing for proper PCB layout integration.

Inrush Current Limiters (ICL) Part Context

This component belongs to the B57236S0 series of NTC thermistors manufactured by EPCOS, a TDK Group company. The series is specifically engineered for inrush current limiting applications in various electronic devices. These parts are characterized by their reliability and consistent performance in protecting circuits from high initial charging currents.

Inrush Current Limiters (ICL) Replacement Considerations

Potential substitutes include other NTC inrush limiters with matching 2.2 Ohm resistance and similar current ratings. Verify compatibility regarding package size, lead configuration, and thermal characteristics before substitution.