SL1512102B

Inrush Current Limiters (ICL) Overview

The Vishay Ametherm SL1512102B is a Negative Temperature Coefficient (NTC) thermistor designed for inrush current limiting. It features a nominal resistance of 120 Ohms with a tolerance of ±25%. The component supports a maximum steady-state current of 2 A at 25°C and has a physical diameter of 15 mm. It is rated for a maximum recommended energy absorption of 40 Joules.

Inrush Current Limiters (ICL) Feature Summary

• Provides surge protection by limiting initial current spikes during power-up
• Utilizes NTC material properties to reduce resistance as temperature increases
• Designed for radial lead mounting on printed circuit boards

Inrush Current Limiters (ICL) Applications

• Power supply input stages
• Electronic equipment requiring surge suppression
• General purpose inrush current limitation circuits

Inrush Current Limiters (ICL) Procurement Notes

Verify the specific ordering suffix matches the required resistance and current ratings. Confirm package style and lead configuration align with PCB footprint requirements. Ensure thermal management considerations are addressed for steady-state operation within specified limits.

Inrush Current Limiters (ICL) Selection Notes

Select based on nominal resistance value and maximum steady-state current capacity. Evaluate energy rating against expected surge profiles. Consider physical dimensions for board space constraints. Verify operating temperature range compatibility with application environment.

Inrush Current Limiters (ICL) Part Context

This component belongs to the SL15 series of inrush current limiters from Vishay Ametherm. The series offers various resistance values and diameters to suit different power levels. These devices are standard solutions for protecting sensitive electronics from high startup currents.

Inrush Current Limiters (ICL) Replacement Considerations

Consult official substitution lists for compatible parts within the SL series or equivalent NTC thermistors from other manufacturers. Ensure electrical parameters such as resistance, current rating, and energy absorption match or exceed original specifications.