SG305

Inrush Current Limiters (ICL) Overview

The SG305 is a negative temperature coefficient (NTC) thermistor from the Vishay Ametherm SURGE-GARD series, designed as an inrush current limiter. It features a radial leaded construction with kinked leads for PCB mounting. The component has a nominal resistance of 2.5 Ohms and a current rating of 9 Amps. Its physical dimensions include a diameter of 0.6 inches and a width of 0.25 inches. The device operates within a temperature range of 0°C to +65°C.

Inrush Current Limiters (ICL) Feature Summary

• Utilizes NTC thermistor technology to limit initial surge currents during power-up
• Features kinked radial leads for secure through-hole PCB installation
• Part of the SURGE-GARD product line for reliable circuit protection

Inrush Current Limiters (ICL) Applications

• Power supply input stages
• Electronic equipment requiring surge suppression
• Consumer electronics circuits

Inrush Current Limiters (ICL) Procurement Notes

Verify the specific datasheet version and RoHS compliance status directly with the manufacturer or authorized distributors before integration. Confirm that the kinked lead configuration matches the target PCB footprint requirements. Ensure the operating environment remains within the specified 0°C to +65°C range to maintain performance integrity.

Inrush Current Limiters (ICL) Selection Notes

Select this component when a 2.5 Ohm resistance and 9 Amp current handling capability are required for inrush limiting. Consider the radial kinked lead style for standard PCB assembly processes. Evaluate the thermal dissipation needs against the maximum operating temperature constraints defined in the official specifications.

Inrush Current Limiters (ICL) Part Context

This part belongs to the SG series of inrush current limiters manufactured by Vishay / Ametherm. These components are specialized NTC thermistors intended to protect sensitive electronic components from high initial charging currents. The SURGE-GARD branding indicates a focus on reliability and surge protection applications.

Inrush Current Limiters (ICL) Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation.