SL10 12101-A

Inrush Current Limiters (ICL) Overview

The Vishay Ametherm SL1012101A is a negative temperature coefficient (NTC) thermistor designed as an inrush current limiter. It features a nominal resistance of 120 Ohms with a tolerance of ±20%. The component supports a steady-state current rating of 1 Ampere and has a diameter of 10 mm. It utilizes radial leads for through-hole mounting, providing reliable protection against high initial current surges in electronic circuits.

Inrush Current Limiters (ICL) Feature Summary

• Functions as an inrush current limiter to protect sensitive components from startup surges
• Utilizes NTC thermistor technology for automatic resistance adjustment based on temperature
• Features radial lead configuration suitable for standard through-hole PCB assembly

Inrush Current Limiters (ICL) Applications

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

Inrush Current Limiters (ICL) Procurement Notes

Verify the specific suffix 'A' against the manufacturer's datasheet to confirm if it denotes a specific packaging variant or qualification level distinct from the base model. Ensure the ordering part number matches the required resistance and current ratings for your circuit design before finalizing procurement.

Inrush Current Limiters (ICL) Selection Notes

Select this component when circuit design requires limiting inrush current to 1 A with a baseline resistance of 120 Ohms. Consider the 10 mm diameter for physical space constraints and verify that the thermal characteristics align with the expected operating environment and duty cycle of the application.

Inrush Current Limiters (ICL) Part Context

This device belongs to the SL10 series of inrush current limiters manufactured by Vishay Ametherm. The series offers various resistance and current combinations tailored for different power levels. The SL1012101A specifically addresses applications requiring moderate surge suppression capabilities within a compact form factor.

Inrush Current Limiters (ICL) Replacement Considerations

Consult official substitution lists for equivalent NTC thermistors with matching 120 Ohm resistance and 1 A current ratings. Verify that any alternative component meets the same voltage and thermal specifications to ensure circuit compatibility.