B59045B1120B151 Sensors, Transducers

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Temperature Sensors – PTC Thermistors are commonly used as temperature transducers in various applications. They are widely used in the process of monitoring, controlling and recording temperature in commercial and industrial applications. The B59045B1120B151 is a PTC thermistor that is widely used in the industry due to its reliability and accuracy.

The B59045B1120B151 is a surface mount device composed of a positive temperature coefficient (PTC) disk with two terminal leads and one or more solder toes. The disk is typically made from a ceramic material, but other materials such as ceramic-filled polymers and Mn-Zn ferrite can also be used. The disk is coated with a resistive material such as manganese-zinc, which changes its resistance depending on the surrounding temperature.

The working principle behind PTC thermistors is relatively simple. The thermistor acts as a variable resistor whose resistance increases with temperature. This is because the temperature affects the resistive material surrounding the thermistor, and results in changes to its resistance. The resistance of the thermistor increases sharply at a certain critical temperature, often referred to as the Curie point or switching point, and then gradually decreases as the temperature increases further. This characteristic makes them particularly useful for sensing temperatures and triggering alarms.

The most commonly used applications of the B59045B1120B151 include temperature controllers, temperature sensors in medical devices, and electronic board temperature control. In temperature controllers, the thermistor is used to measure the temperature of the environment and initiate corrective action when the temperature gets too high or too low. In medical devices, the thermistor can be used to detect dangerous levels of heat, which could indicate a malfunction in the device.

The B59045B1120B151 can also be used as a temperature sensor in electronic board temperature control, where it can be embedded in the board and provide accurate temperature feedback. This type of application is often used in power supplies, computers, and other electronic devices to regulate their thermal performance and ensure that they operate within safe levels. In addition, the thermistor can also be used as over-temperature protection, where it will shut down the electric circuit to prevent overheating.

The B59045B1120B151 has a wide variety of uses in a variety of applications. Its reliable performance, accuracy, and low cost make it a popular choice for temperature measuring and control. The thermistor provides excellent temperature sensing and monitoring capabilities, enabling users to accurately monitor changes in temperature over time. The wide range of its applications makes it a versatile and valuable tool for many commercial and industrial conditions.

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