DKF303B5

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NTC thermistors, short for Negative Temperature Coefficient (NTC) thermistors, are devices used as temperature sensors and made from a semiconductor material such as ceramic or polymer. NTC thermistors are resistive temperature sensors that exhibit a decrease in resistance as the surrounding temperature increases. The DKF303B5 thermistor is a NTC device developed by the well-known semiconductor manufacturer, DKF, for temperature sensing applications. It is often used in industry and has become a reliable and cost-efficient temperature sensor that is widely available.

The DKF303B5 is a standard NTC thermistor that consists of two parts, the active sensing element and the protective cover. The sensing element is made from a ceramic material that exhibits a predictable and repeatable decrease in resistance with temperature. This sensing element is then coated in an epoxy resin and enclosed in a cylindrical protective housing. This housing provides physical protection to the delicate ceramic element, produces a consistent size, and gives the thermistor a uniform appearance.

The DKF303B5 thermistor has a wide range of possible applications. These may include sensing human body temperature, monitoring liquid level in an automotive application, or measuring temperature in food processing plants and commercial restaurants. In these applications, the thermistor works by changing its resistance as the surrounding temperature changes.

The working principle behind the DKF303B5 is simple yet effective. As the temperature of the environment increases, the material that makes up the thermistor increases its conductivity, thus causing the resistance of the thermistor to decrease as well. This decrease in resistance is then converted to an electrical signal that can be used to measure the temperature. The advantage of a NTC thermistor compared to other types of temperature sensors is its low cost, low manufacturing complexity, and reliable performance.

The DKF303B5 thermistor is available in two different sizes - 5mm and 6mm - and features a range of properties to suit different applications. These include a wide operating temperature range of -20°C to +200°C, a cable length of 0.1m, a resistance of 10kΩ, and a tolerance range of ±5%. The DKF303B5 is also an RoHS compliant device that is made from non-toxic materials and is safe to use in any environment.

Overall, the DKF303B5 thermistor is an excellent and reliable temperature sensor for a wide range of applications. It features a simple operating principle that does not require complicated wiring or advanced electronics, and it is cost-effective compared to other types of temperature sensors. With its wide temperature range, robust housing, and reliable signal output, the DKF303B5 is an excellent choice for any temperature sensing application.

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