SL1250002

Inrush Current Limiters (ICL) Overview

The SL1250002 is a radial lead inrush current limiter (ICL) from the Vishay Ametherm SL12 series. It features a nominal resistance of 50 Ohms with a tolerance of ±20%. The device is rated for a steady-state current of 2 A and has a physical diameter of 13 mm (0.512 inches). It is designed for PCB mounting and holds UL approval, ensuring compliance with safety standards for electronic circuits requiring surge protection.

Inrush Current Limiters (ICL) Feature Summary

• Provides effective limitation of initial surge currents during power-up sequences
• Features a thermistor element that transitions from high resistance to low resistance as temperature increases
• Designed for reliable operation in standard through-hole PCB mounting configurations

Inrush Current Limiters (ICL) Applications

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

Inrush Current Limiters (ICL) Procurement Notes

Verify component authenticity by checking manufacturer markings and datasheet specifications against the ordered part number. Ensure thermal management requirements are met, as ICLs generate heat during normal operation. Confirm that the 2 A steady-state current rating aligns with the application's continuous load demands to prevent premature failure or excessive voltage drop.

Inrush Current Limiters (ICL) Selection Notes

Select this component based on the required resistance value and current handling capacity. The 50 Ohm resistance must be sufficient to limit the specific inrush current of the target circuit without causing excessive voltage drop during normal operation. Consider the thermal dissipation capabilities and the ambient operating temperature range to ensure long-term reliability within the system design constraints.

Inrush Current Limiters (ICL) Part Context

This component belongs to the SL12 series of inrush current limiters, which are widely used in consumer electronics and industrial power supplies. The series offers various resistance values and current ratings to suit different circuit requirements. Vishay Ametherm manufactures these devices using specialized ceramic materials to ensure consistent performance and durability across diverse operating conditions.

Inrush Current Limiters (ICL) Replacement Considerations

• SL1250002L

Inrush Current Limiters (ICL) FAQ

What is the maximum steady-state current for the SL1250002?

The maximum steady-state current rating is 2 A.

Does the SL1250002 have safety certifications?

Yes, the component is UL approved.