SL1215102

Inrush Current Limiters (ICL) Overview

The SL1215102 is a radial lead-in inrush current limiter from the Vishay Ametherm SL12 series. It features a 12mm diameter body with a nominal resistance of 150 ohms and a tolerance of ±25%. The component supports a maximum steady-state current of 2 A at 25°C. It is designed for PCB mounting and complies with UL safety standards.

Inrush Current Limiters (ICL) Feature Summary

• Provides effective limitation of high inrush currents during power-up sequences
• Features automatic reset capability after thermal cooling cycles
• Constructed with robust ceramic composition for reliable operation

Inrush Current Limiters (ICL) Applications

• Power supply input stages
• Transformer primary circuits
• Capacitor charging protection

Inrush Current Limiters (ICL) Procurement Notes

Verify that the specific order matches the SL1215102 designation to ensure correct 150-ohm resistance and 2-amp current rating. Confirm package type and lead configuration align with design requirements before finalizing procurement.

Inrush Current Limiters (ICL) Selection Notes

Select this component when circuit designs require limiting initial surge currents to protect downstream capacitors or transformers. Ensure the steady-state current does not exceed 2 A and verify thermal management capabilities for repeated cycling applications.

Inrush Current Limiters (ICL) Part Context

This part belongs to the SL12 series of thermistor-based inrush current limiters. These components are widely used in electronic equipment to mitigate stress on power sources and sensitive loads during startup phases, ensuring system longevity and stability.

Inrush Current Limiters (ICL) Replacement Considerations

Cross-reference with other Vishay Ametherm SL12 variants having identical 150-ohm resistance and 2-amp current ratings. Verify physical dimensions and electrical characteristics match before substituting.