SL12 25003-B

Inrush Current Limiters (ICL) Overview

The Vishay Ametherm SL12 25003-B is a Negative Temperature Coefficient (NTC) thermistor designed as an inrush current limiter (ICL). It features a nominal resistance of 25 ohms with a tolerance range of -20% to +20%. The component supports a steady-state current rating of 3A and utilizes radial leaded packaging within the SL12 series. Its physical body dimensions are specified at 13mm, providing a robust form factor for circuit protection applications requiring controlled startup current management.

Inrush Current Limiters (ICL) Feature Summary

• Utilizes NTC thermistor technology to provide high initial resistance that decreases as temperature rises
• Designed specifically for limiting inrush currents during power supply startup phases
• Features radial leaded construction for through-hole PCB mounting compatibility

Inrush Current Limiters (ICL) Applications

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

Inrush Current Limiters (ICL) Procurement Notes

Verify the specific suffix designation against the manufacturer's latest documentation to ensure alignment with required tolerance and dimensional specifications. Confirm RoHS compliance status and thermal characteristics prior to integration. Cross-reference the part number with official Vishay or Ametherm catalogs to validate availability and manufacturing origin details.

Inrush Current Limiters (ICL) Selection Notes

Select this component based on the required nominal resistance value and maximum steady-state current handling capabilities. Ensure the physical package size fits the designated PCB footprint. Evaluate the thermal environment to confirm the device can dissipate heat effectively during continuous operation without exceeding its maximum operating temperature limits.

Inrush Current Limiters (ICL) Part Context

This part belongs to the SL12 series of inrush current limiters manufactured by Vishay Ametherm. The series is engineered for general-purpose circuit protection, offering reliable performance in managing transient currents. The SL12 family provides various resistance values and current ratings to suit different power electronics requirements.

Inrush Current Limiters (ICL) Replacement Considerations

• SL1225003B
• SL12 25003

Inrush Current Limiters (ICL) FAQ

What is the nominal resistance value of the SL12 25003-B?

The nominal resistance is 25 ohms.

What is the steady-state current rating for this component?

The component has a steady-state current rating of 3A.