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MF58 Thermistor
Negative Temperature Coefficient is referred to as NTC. The resistance of NTC thermistors reduces as temperature rises because they have a negative temperature coefficient. They are generally employed as current limiters and resistive temperature sensors. A silicon temperature sensor's (silicon oxide) temperature sensitivity coefficient is around five times higher than a resistance temperature detector's, which is ten times higher (RTD). NTC sensors are frequently employed between -55°C and 200°C.
NTC stands for "Negative Temperature Coefficient". NTC thermistors are resistors with a negative temperature coefficient, which means that resistance decreases as temperature increases. They are primarily used as resistive temperature sensors and current limiting devices. The temperature sensitivity coefficient is approximately five times that of a silicon temperature sensor (silicon oxide) and ten times that of a resistance temperature detector (RTD). NTC sensors are typically used in the range of -55°C to 200°C.
The Features of MF58 Thermistor
High reliability, excellent heat resistance with glass encapsulation
High accuracy of Resistance value and B value, good consistency
Fast response speed, high sensitivity
Small volume, applied for automatic plug-in installation and mass production
The Applications of MF58 Thermistor
Temperature sensing and control of induction cooker, soybean milk machine, electric oven, bread maker, disinfection cabinet, microwave oven, water dispenser, refrigerator, freezer, air conditioner, electronic calendar, dishwasher, rice cooker, electronic toilet equipment, battery pack, charger, computer, electric water heater, foot tub, integral bathroom, temperature-control instrument, medical instrument, automobile, fire alarm
The Working Principle of MF58 Thermistor
The resistance value of the NTC thermistor at room temperature and the thermal delay effect caused by thermal inertia can effectively suppress the peak surge current (up to tens of times) in the power supply circuit (especially the high-voltage large-capacitance filter circuit) when starting up Even a hundred times the normal operating current), and after the suppression of the surge current, due to the self-heating effect under the continuous action of the current passing through it (including the surge current and the normal operating current of the circuit), the temperature of the resistor rises, and the power type NTC heats up. The resistance value of the sensitive resistor will drop to a very small level, the voltage drop generated will consume very little power, and will not affect the normal working current. Using the current-voltage characteristics and current-time characteristics of the NTC thermistor to connect it in series with the load can effectively suppress the inrush current.
