SL102R505B

Inrush Current Limiters (ICL) Overview

The SL102R505B is a radial lead NTC thermistor inrush current limiter from the Vishay Ametherm SL10 series. Designed for PCB mounting, it features a nominal resistance of 2.5 Ohms with a tolerance of ±30%. The component supports a steady-state current rating of 5 A and operates at voltage ratings of 115 VAC or 230 VAC. It has a dissipation factor of 10 mW/C and a pitch spacing of 2.2 mm. The unit weighs approximately 819.8 mg and is supplied in bulk packaging.

Inrush Current Limiters (ICL) Feature Summary

• Utilizes negative temperature coefficient (NTC) technology to limit initial surge currents during power-up.
• Features radial kinked leads optimized for through-hole PCB mounting applications.
• Provides thermal protection by increasing resistance as temperature rises, stabilizing circuit operation.

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 'B' against the manufacturer datasheet to confirm lead configuration and tolerance specifications. Ensure the selected component matches the required 2.5 Ohm resistance and 5 A current rating for the target application. Confirm RoHS compliance status if environmental regulations apply to the final assembly.

Inrush Current Limiters (ICL) Selection Notes

Select this component when a 2.5 Ohm initial resistance and 5 A continuous current capacity are required. Consider the 10 mW/C dissipation factor for thermal management planning. Verify that the 2.2 mm pitch spacing fits the available PCB footprint constraints before finalizing the design.

Inrush Current Limiters (ICL) Part Context

This part belongs to the SL10 series of inrush current limiters, which are compact NTC thermistors designed for space-constrained electronics. The series offers various resistance and current combinations to suit different power levels while maintaining standard radial lead formats for easy integration into existing manufacturing processes.

Inrush Current Limiters (ICL) Replacement Considerations

Cross-reference with SL102R505 for potential functional equivalence if the 'B' suffix denotes a specific packaging or minor variant difference. Consult official Vishay documentation to verify interchangeability regarding mechanical dimensions and electrical characteristics.

Inrush Current Limiters (ICL) FAQ

What is the steady-state current rating?

The SL102R505B is rated for a steady-state current of 5 A.

What is the nominal resistance value?

The nominal cold resistance is 2.5 Ohms with a tolerance of ±30%.