SL0525001

Inrush Current Limiters (ICL) Overview

The Vishay Ametherm SL0525001 is a leaded inrush current limiter (ICL) featuring a nominal resistance of 25 Ohms with ±20% tolerance at 25°C. It supports a steady-state current rating of 1 A and utilizes a 5.00 mm diameter radial package. The component exhibits a Beta value of 3129 ± 0.87%, with specific resistance ratios defined at temperature extremes: 5.6 ± 1% at 0°C relative to 25°C, and 14.1 ± 2% at 125°C relative to 25°C.

Inrush Current Limiters (ICL) Feature Summary

• Provides passive suppression of high inrush currents during power-up sequences
• Utilizes negative temperature coefficient characteristics for automatic resistance adjustment
• Designed for reliable thermal cycling within specified operational limits

Inrush Current Limiters (ICL) Applications

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

Inrush Current Limiters (ICL) Procurement Notes

Verify the exact part number against manufacturer documentation to ensure correct resistance and current ratings. Confirm that the application environment remains within the specified thermal operating range. Check datasheet details for maximum surge current capabilities and steady-state current limits before integration into the design.

Inrush Current Limiters (ICL) Selection Notes

Select this component based on the required nominal resistance and maximum steady-state current for the target circuit. Ensure the physical dimensions fit the available board space. Evaluate the Beta constant and resistance-temperature characteristics to confirm compatibility with the system's thermal profile and inrush suppression requirements.

Inrush Current Limiters (ICL) Part Context

This device belongs to the Vishay Ametherm series of inrush current limiters. These components are engineered to protect electronic circuits from damaging transient currents. The SL0525001 specifically offers a 25 Ohm baseline resistance suitable for moderate current applications requiring precise thermal response.

Inrush Current Limiters (ICL) Replacement Considerations

Consult official substitution lists for equivalent NTC thermistors with matching 25 Ohm resistance and 1 A current ratings. Verify dimensional compatibility and electrical characteristics before replacing.