SL1220003A

Inrush Current Limiters (ICL) Overview

The SL122003A is a medium-range NTC thermistor disc manufactured by Vishay / Ametherm, classified as an inrush current limiter (ICL). It features a nominal resistance of 20 Ohms with a tolerance of ±20% and a continuous current rating of 3 A. The component has a diameter of 13 mm and utilizes radial leads for through-hole PCB mounting. This device is designed to provide balanced inrush control in electronic circuits.

Inrush Current Limiters (ICL) Feature Summary

• Functions as an NTC thermistor for inrush current limiting
• Provides balanced inrush control for electronic applications

Inrush Current Limiters (ICL) Applications

• Inrush current limiting in power supply circuits
• Protection against high initial charging currents
• Balanced inrush control in electronic assemblies

Inrush Current Limiters (ICL) Procurement Notes

Verify the manufacturer part number SL1220003A against official Vishay / Ametherm documentation to confirm specifications. Ensure compatibility with the intended circuit requirements before procurement. Check for any specific ordering suffixes that may affect performance or packaging. Confirm RoHS compliance status if required by project standards. Validate lead times and availability directly with authorized distributors.

Inrush Current Limiters (ICL) Selection Notes

Select this component based on its 20 Ohm resistance and 3 A current rating suitable for medium-range inrush control. Consider the 13 mm diameter and radial lead configuration for PCB layout constraints. Evaluate thermal characteristics and steady-state resistance requirements relative to the application's operating conditions. Compare against other series members if higher or lower current handling is needed.

Inrush Current Limiters (ICL) Part Context

The SL1220003A belongs to the SL12 series of inrush current limiters from Vishay / Ametherm. This series offers NTC thermistors designed for various current and resistance ranges. The SL12 series components are typically used in applications requiring robust protection against surge currents during power-up phases.

Inrush Current Limiters (ICL) Replacement Considerations

Consult official Vishay / Ametherm substitution guides for verified alternatives. Cross-reference parameters such as resistance, current rating, and physical dimensions when evaluating potential substitutes.