Series:	MF58
Packaging:	Bulk
Part Status:	Active
Resistance in Ohms @ 25°C:	20k
Resistance Tolerance:	±1%
B Value Tolerance:	--
B0/50:	--
B25/50:	3950K
B25/75:	--
B25/85:	--
B25/100:	--
Operating Temperature:	-55°C ~ 200°C
Power - Max:	50mW
Length - Lead Wire:	--
Mounting Type:	Through Hole
Package / Case:	Bead, Glass

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Temperature Sensors - NTC Thermistors and MF58203F3950 Application Field and Working Principle

NTC thermistors are sensors that measure temperature and convert it into electrical signals for use in control systems, data logging, and other electronics applications. They can be used in a variety of industries, ranging from medical device manufacturing to automotive production and beyond. The MF58203F3950 is an example of a NTC thermistor, and it is designed to detect temperature in a wide range of applications.The MF58203F3950 is a four-pole negative temperature coefficient (NTC) thermistor, which means that as the temperature decreases, the resistance of the thermistor increases. This property makes it ideal for use in temperature sensing applications as the resistance change can accurately detect fluctuations in temperature.The MF58203F3950 thermistor is housed in a TO-247AA package with three small leads for connection. It is a non-linear thermistor with a resistance of 3.9k at 25°C and features low noise and high temperature stability. This makes it suitable for both real time temperatures measurement and stable long-term temperature monitoring in a wide range of industrial applications.This thermistor is particularly well-suited for use in the industrial sector, where accurate temperature readings are essential for controlling process operations. This type of thermistor can be used to measure the temperature of a medium, such as liquids and gases, with a certain degree of accuracy and precision. It can also be used in high temperature applications, such as ovens, providing precise readings.An added benefit of the MF58203F3950 thermistor is that it is highly reliable and durable. This thermistor has a high resistance to temperature cycling, shock, and vibration, making it ideal for industrial and automotive applications. It is also flame retardant and resistant to chemical attack, which makes it a suitable choice for a wide range of applications.These thermistors are also relatively inexpensive to manufacture, making them an attractive option for companies looking to lower costs while still offering a product with excellent quality.In terms of working principle, the MF58203F3950 thermistor changes resistance based on the temperature, meaning that when the temperature increases, the resistance decreases and vice versa. The thermistor’s resistance is measured using a method called the Wheatstone bridge, which is a bridge circuit used to measure an unknown central resistance.The Wheatstone bridge requires four electrical resistances to complete, and the four components of the bridge - known as legs - are arranged to form a diamond pattern. The center of the diamond is the unknown resistance, in this case the thermistor’s resistance. The four legs are connected to the thermistor, and when the thermistor’s resistance changes, it affects the voltage in the three other legs, allowing the resistance to be determined.In conclusion, the MF58203F3950 thermistor is a reliable and cost-effective temperature sensor that is used in a wide range of applications. It is well-suited for use in the industrial sector, as it is highly resistant to temperature cycling, shock, and vibration, and features low noise and high temperature stability for accurate readings in real time. The MF58203F3950 thermistor works on the principle of the Wheatstone bridge, making it a useful tool for measuring temperature in an array of environments.

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