SL1522101

Inrush Current Limiters (ICL) Overview

The Vishay Ametherm SL1522101 is a radial lead NTC thermistor designed for PCB mounting. It features a nominal resistance of 220 Ohms with a tolerance of ±25% and a steady-state current rating of 1 Ampere. The component has a cylindrical body diameter of 16 mm (0.630 inches) and utilizes a 7.8 mm lead spacing. It is rated for operation at 115 VAC and 230 VAC, belonging to the SL15 series.

Inrush Current Limiters (ICL) Feature Summary

• Functions as an inrush current limiter using negative temperature coefficient thermistor technology
• Provides radial through-hole termination for standard printed circuit board assembly
• Designed for protection against high initial charging currents in electronic circuits

Inrush Current Limiters (ICL) Applications

• Power supply input stages
• Transformer primary side protection
• Capacitor charging circuit limiting

Inrush Current Limiters (ICL) Procurement Notes

Verify the specific part number SL1522101 against official Vishay Ametherm documentation to confirm the 220 Ohm resistance value and 1 A current rating. Ensure the selected variant matches the required 16 mm diameter and radial lead configuration for the intended PCB footprint. Cross-reference datasheets for accurate thermal characteristics and voltage ratings prior to integration.

Inrush Current Limiters (ICL) Selection Notes

Select this component when a 220 Ohm cold resistance is required to limit peak inrush current to approximately 1 Ampere. Consider the 16 mm body size for adequate heat dissipation and mechanical stability. Verify that the operating voltage requirements align with the 115 VAC or 230 VAC ratings specified for the SL15 series.

Inrush Current Limiters (ICL) Part Context

The SL1522101 belongs to the Vishay Ametherm SL15 series of NTC thermistors. This series is specifically engineered for inrush current limiting applications in consumer electronics and industrial power supplies. The components are characterized by their robust construction and consistent electrical performance across varying ambient temperatures.

Inrush Current Limiters (ICL) Replacement Considerations

Consult official Vishay Ametherm substitution guides for compatible parts within the SL15 series. Verify that any alternative component matches the 220 Ohm resistance, 1 A current rating, and 16 mm physical dimensions to ensure proper fit and function.