SL22 12103-A

Inrush Current Limiters (ICL) Overview

The SL2212103A is a negative temperature coefficient (NTC) thermistor designed as an inrush current limiter (ICL). It features a 22mm disc diameter and provides a nominal resistance of 120 Ohms at 25°C with a tolerance of 25%. The component supports a maximum steady-state current of 3 Amperes. It utilizes radial leads for through-hole mounting, with a lead spacing of 7.8 mm and a lead diameter of 1 mm. The device is rated for operation up to 265 VAC and holds UL and CSA safety approvals.

Inrush Current Limiters (ICL) Feature Summary

• Provides effective suppression of high inrush currents during power-up cycles
• Features automatic reset capability without manual intervention
• Includes recognized safety certifications for global compliance

Inrush Current Limiters (ICL) Applications

• Power supply input stages
• Transformer primary circuits
• Motor drive inputs

Inrush Current Limiters (ICL) Procurement Notes

Verify the specific suffix designation against the manufacturer datasheet to ensure correct tolerance and thermal characteristics. Confirm that the operating voltage and steady-state current ratings align with the target circuit requirements before procurement.

Inrush Current Limiters (ICL) Selection Notes

Select this component based on the required cold resistance value and the peak inrush current magnitude of the application. Ensure the physical package size fits the available board space and that the lead configuration matches the PCB layout constraints.

Inrush Current Limiters (ICL) Part Context

This part belongs to the SL22 series of NTC thermistors from Vishay Ametherm. These components are engineered specifically for protecting electronic equipment from damaging surge currents. The series offers various resistance values and current ratings to suit different power levels.

Inrush Current Limiters (ICL) Replacement Considerations

Cross-reference with other Vishay Ametherm parts sharing the same 22mm diameter and 120 Ohm resistance. Verify that any substitute maintains equivalent thermal response curves and safety approval status.