SG26TR

Inrush Current Limiters (ICL) Overview

The SG26TR is an inrush current limiter (ICL) from the SURGE-GARD series by Vishay / Ametherm. It utilizes NTC thermistor technology to suppress high initial charging currents in electronic circuits. The component features a nominal resistance of 5 Ohms with a tolerance of 15%. It supports a steady-state current rating of 12A and operates at a voltage rating of 22.86V. The device is designed for PCB mounting using radial leads with outside kinks, measuring 22.86mm in diameter.

Inrush Current Limiters (ICL) Feature Summary

• Suppresses high inrush currents during power-up sequences
• Utilizes negative temperature coefficient thermistor technology
• Supports radial through-hole PCB mounting configurations

Inrush Current Limiters (ICL) Applications

• Power supply input stages
• Transformer primary side protection
• Capacitor bank charging circuits

Inrush Current Limiters (ICL) Procurement Notes

Verify the specific ordering suffix against official Vishay documentation to confirm lead frame material and tape/reel specifications. Ensure the selected variant matches the required thermal dissipation characteristics for the target application environment. Cross-reference the datasheet for precise handling instructions regarding soldering profiles and storage conditions to maintain component integrity.

Inrush Current Limiters (ICL) Selection Notes

Select this component based on the required steady-state current capacity and initial resistance value. Evaluate the maximum allowable voltage drop across the limiter during normal operation. Consider the thermal time constant and recovery time between power cycles to ensure reliable performance within the system's operational duty cycle constraints.

Inrush Current Limiters (ICL) Part Context

This part belongs to the SURGE-GARD family of inrush current limiters manufactured by Vishay / Ametherm. These components are engineered specifically for protecting sensitive electronic components from damage caused by excessive transient currents during system initialization.

Inrush Current Limiters (ICL) Replacement Considerations

Consult official Vishay substitution guides for compatible alternatives within the SG series. Verify that any substitute part maintains identical electrical ratings and physical footprint dimensions to ensure seamless integration without requiring circuit board modifications.