KTY81/210,116

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Temperature Sensors - PTC Thermistors

PTC thermistors, short for Positive Temperature Coefficient thermistors, are temperature sensors commonly used in temperature control applications. They work by changing their resistance across a temperature range. One of the most common PTC thermistors is the KTY81/210,116. It is widely used in thermostats, air conditioners, motors, and car ignition systems.

The KTY81/210,116 PTC thermistor has a resistance of 2.5 kilohms at 25°C, and it increases with the temperature. Its resistance at 100°C is around 29 kilohms and then gradually decreases over time. This particular thermistor has a wide temperature operating range of -55°C to 125°C. It is a disc-shaped device, with a diameter of 8mm and a length of 2.3mm, which makes it suitable for applications with limited space.

The KTY81/210,116 PTC thermistor works by measuring the temperature of air, liquid, or a surface. When the temperature increases, the electrical resistance of the thermistor also increases. This change in electrical resistance can then be measured and used to determine the temperature. It also has low self-heating, a large operation range, and high accuracy, which makes it suitable for a variety of temperature sensing and control applications.

The KTY81/210,116 thermistor is commonly used in car ignition systems and air conditioners. In an air conditioner, the thermistor is used to measure the temperature of the air and then adjust the blower speed based on the temperature. In a car ignition system, it is used to sense the temperature of the engine and adjust the ignition timing accordingly to ensure optimal performance. It is also often used as a temperature sensing element in thermostats, ovens, refrigerators, and motors.

The KTY81/210,116 thermistor is an attractive option for temperature control applications due to its high accuracy, wide temperature range, low self-heating, and small size. It is relatively cheap and easy to install, making it a popular choice for a variety of temperature sensing and control applications.

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