701030 Sensors, Transducers

Series:	4400
Packaging:	Bulk
Part Status:	Active
Resistance in Ohms @ 25°C:	3k
Resistance Tolerance:	±0.1°C
B Value Tolerance:	±0.4%
B0/50:	3891K
B25/50:	--
B25/75:	--
B25/85:	3976K
B25/100:	--
Operating Temperature:	-55°C ~ 150°C
Length - Lead Wire:	3.00" (76.20mm)
Mounting Type:	Free Hanging
Package / Case:	Bead

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Temperature Sensors - NTC Thermistors

   NTC thermistors are temperature-sensitive, resistors which are produced from sintered semiconductor materials, and are used to measure temperature in a wide variety of applications such as automotive, HVAC/R, industrial, and consumer electronics. These thermistors have a negative temperature coefficient, meaning that as temperature increases, resistance decreases, making them especially useful for temperature measurement or temperature control. The 701030 is an NTC thermistor with a nominal resistance of 10 kohms and a tolerance of 5%, meaning that the actual resistance value may range between 9.5 to 10.5 kohms, depending on the changes in temperature.   These thermistors are usually constructed with a ceramic body, two wires, and an internal disc made of a semiconductive material with a heavy doping of either P or N type impurities. An NTC thermistor works by taking advantage of the fact that impurities, or dopants, in the ceramic material affect the mobility and concentration of carriers in the ceramic. When the temperature increases, the mobility of carriers also increases, resulting in a decrease of the resistance value of the thermistor. A decrease in temperature has the opposite effect and will result in an increase in resistance.   The 701030 NTC thermistor can be used in a variety of applications, such as temperature control and sensing. In temperature control applications, these thermistors are often placed in a control loop with a heater, and the temperature is controlled by monitoring the current passing through the thermistor. By adjusting the current passing through the heater, the temperature of the thermistor can be regulated.   In temperature sensing applications, the 701030 NTC thermistor is used to measure the temperature of an object. The thermistor is usually placed in contact with the object, and the voltage across the thermistor is monitored. As the temperature of the object changes, the resistance of the thermistor will also change, and this change in resistance can be used to calculate the temperature of the object.   These thermistors are also often used in combination with other sensors, such as RTDs or thermocouples, in order to more accurately measure temperature. RTDs are temperature-sensing devices which use a resistance-temperature relationship to measure temperature, while thermocouples use a voltage-temperature relationship to measure temperature. By combining the information from these two sensors, it is possible to get a more accurate measure of temperature.   The 701030 NTC thermistor is a versatile and reliable option for temperature sensing and temperature control. It can be used in a variety of applications, from automotive to industrial, and can be used in combination with other sensors to get a more accurate measure of temperature. Its broad range of operating temperatures (from -55°C to +150°C) makes it suitable for a wide range of applications, and its robust construction ensures that it will perform reliably. With these features, the 701030 provides a reliable and accurate solution for a variety of temperature sensing needs.

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