uxcell NTC Thermistor Resistors 5D-9 3A 5 Ohm Inrush Current Limiter Temperature Sensors Pack of 20 The NTC thermistors are reliable and stable, with wide range of over-current control. With small size and large power, they have strong capacity to inhibit surge current. Large material constant, large B value, with small residual resistance. Thermal shock resistance, with wide range of operating temperature. Used for controlling the inrush current of motor, heaters, bulb voltage stabilizer, electronic energy-saving lamp, etc.