Vishay / Ametherm SG130 NTC Inrush Current Limiter Thermistor 2.5? 7A The Vishay / Ametherm SG130 is a Negative Temperature Coefficient (NTC) thermistor designed to effectively limit inrush current in electrical circuits. With an initial resistance of 2.5? at 25°C and a maximum steady-state current rating of 7A, this thermistor provides reliable protection for sensitive electronic components during power-up. Key Features Resistance at 25°C: 2.5? Maximum Steady-State Current: 7A Maximum Recommended Energy: 40J Body Temperature at Maximum Current: +174°C Maximum Disc Diameter: 15mm Applications The SG130 thermistor is ideal for various applications, including: Limiting inrush current in power supplies and battery chargers Protecting lighting circuits and thermostats Soft-starting electric motors Specifications Parameter Value Resistance at 25°C 2.5? Maximum Steady-State Current 7A Maximum Recommended Energy 40J Body Temperature at Maximum Current +174°C Maximum Disc Diameter 15mm By integrating the SG130 NTC thermistor into your circuit design, you can enhance the longevity and reliability of your electronic devices by effectively managing inrush currents.