SL155R009AJ

Inrush Current Limiters (ICL) Overview

The SL155R009AJ is an NTC thermistor inrush current limiter from the Vishay Ametherm SL15 series. It features a nominal resistance of 5 Ohms at 25 °C and is designed for radial PCB mounting. The component utilizes a leaded package construction suitable for through-hole applications. It serves as a protective element to limit initial surge currents during power-up sequences in electronic circuits.

Inrush Current Limiters (ICL) Feature Summary

• Provides effective limitation of high inrush currents during circuit initialization
• Utilizes negative temperature coefficient characteristics for self-regulating thermal response
• Designed for reliable radial through-hole PCB integration

Inrush Current Limiters (ICL) Applications

• Power supply input stages
• Transformer primary side protection
• Capacitive load switching circuits

Inrush Current Limiters (ICL) Procurement Notes

Verify the specific suffix 'AJ' against official Vishay documentation to confirm exact tolerance, marking code, or packaging variations. Ensure the selected variant matches the required electrical specifications and mechanical dimensions for the target application design.

Inrush Current Limiters (ICL) Selection Notes

Select this component based on the required steady-state resistance and maximum allowable surge current ratings. Evaluate the thermal energy absorption capability (I²t) to ensure the device can withstand the expected inrush events without failure. Confirm compatibility with the operating temperature range and mounting constraints.

Inrush Current Limiters (ICL) Part Context

This part belongs to the SL15 series of NTC inrush current limiters manufactured by Vishay Ametherm. These components are engineered to protect sensitive electronic components from damage caused by high initial charging currents when capacitive loads are connected to a power source.