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Temperature Sensors - NTC Thermistors

NTC Thermistors are temperature sensors designed to cause a decrease in electrical resistance with increasing temperature when connected in a circuit. One such temperature sensor is the B57891M302F2. This sensor is used for applications such as room temperature monitoring, temperature control and thermal protection.

B57891M302F2 Application Field

The B57891M302F2 is used for a wide variety of applications. In particular, it is used in applications such as temperature control, protection, system intelligence and many more.

Temperature Control

In temperature control applications, the B57891M302F2 can be used to maintain the temperature of a system within a specified range. This can be accomplished by controlling the current or voltage supplied to the sensor, thus controlling the temperature of the system.

Protection

In protection applications, the B57891M302F2 can be used to detect when the temperature of a system exceeds a certain limit. This can be used to shut off the system to prevent any potential damage to components or injury to personnel.

System Intelligence

In system intelligence applications, the B57891M302F2 can be used to provide intelligence to a system. This can be accomplished by monitoring the temperature of various components or measuring the ambient temperature of the environment. This information can then be used to make decisions and optimize the system.

B57891M302F2 Working Principle

The B57891M302F2 functions by using the Thermistor effect. This effect causes a decrease in electrical resistance with increasing temperature when connected in a circuit. The sensor has a set temperature point that becomes its standard resistance, and it compares changes in resistance to determine temperature. As the temperature increases, the resistance of the sensor decreases. This decrease in resistance is used by the system to detect temperatures outside a specified range.

The B57891M302F2 has a temperature range of -40°C to +150°C and a nominal accuracy of ±1°C. The sensor also has a high thermal sensitivity of 0.11 to 0.17 %/°C. This allows for fast and accurate temperature measurements in various applications.

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