SL12-1R308

Inrush Current Limiters (ICL) Overview

The Vishay Ametherm SL12-1R308 is a Negative Temperature Coefficient (NTC) Inrush Current Limiter (ICL) thermistor from the SL12 series. It features a nominal resistance of 1.3 Ohms with a tolerance of ±20%. The component is designed for radial leaded mounting and has a maximum steady-state current rating of 8 A. Its physical dimensions include a diameter of 12 mm, making it suitable for compact PCB applications requiring surge protection.

Inrush Current Limiters (ICL) Feature Summary

• Utilizes NTC ceramic composition to provide high initial resistance that decreases as temperature rises during operation.
• Engineered to absorb inrush energy and limit peak current during power-up phases in electronic circuits.
• Features radial leads for through-hole PCB mounting, ensuring secure mechanical attachment.

Inrush Current Limiters (ICL) Applications

• Power supply input stages for limiting charging currents.
• Protection of sensitive electronic components against surge currents.
• General-purpose inrush current limitation in AC/DC conversion circuits.

Inrush Current Limiters (ICL) Procurement Notes

Verify the specific ordering suffix and resistance tolerance against the official Vishay datasheet to ensure compatibility with circuit requirements. Confirm RoHS compliance status and packaging details directly with authorized distributors prior to purchase. Cross-reference the part number with manufacturer documentation to avoid substitution errors.

Inrush Current Limiters (ICL) Selection Notes

Select this component based on its 1.3 Ohm nominal resistance and 8 A current rating to match the specific inrush energy absorption needs of the target application. Ensure the 12 mm diameter fits within the available PCB space constraints. Evaluate thermal management requirements to maintain optimal performance under continuous operating conditions.

Inrush Current Limiters (ICL) Part Context

This part belongs to the Vishay Ametherm SL12 series of ICL thermistors. The series offers various resistance values and current ratings tailored for different power levels. The SL12-1R308 specifically addresses applications requiring moderate surge suppression with a 12 mm form factor.

Inrush Current Limiters (ICL) Replacement Considerations

Consult the official Vishay cross-reference guide for verified substitute part numbers. Ensure any replacement matches the 1.3 Ohm resistance, 8 A rating, and 12 mm diameter specifications exactly.