KNP5WSJR-73-220R

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Through Hole Resistors are electronic components used to reduce the current through a circuit. They come in many different shapes and sizes, and the KNP5WSJR-73-220R is no exception. This resistor is a four-terminal device with its leads in a 90-degree angle. It is ideal for applications which require accurate and reliable resistance, such as signal conditioning, protection circuits, current limiting, and timing circuits. Its temperature-stable construction provides a 0.03%/C temperature coefficient of resistance.

Application Field and Working Principle

The KNP5WSJR-73-220R is used in a variety of applications from signal conditioning to power supply regulation. Its excellent tolerance of ±0.1%, together with its temperature coefficient of resistance, make it a perfect choice for temperature-sensitive applications. It is also suitable for use in high-power applications due to its ability to dissipate up to 500W at maximum operating temperature. The KNP5WSJR-73-220R also has an Operating Temperature Range from -55 To +200℃.

The KNP5WSJR-73-220R is a four terminal component, featuring one central terminal and two connecting terminals on each side. This enables the resistor to form a tight connection to the traces on a PCB through a soldering process. The resistor works by having a small voltage applied across two of the terminals, which sets up an electrical field around the resistor. This in turn creates an opposition to the current flowing through the resistor, thereby reducing the current to the level dictated by the resistor’s resistance. This resistance level is dictated by the material composition of the resistor.

The KNP5WSJR-73-220R is constructed from a number of layers. At the center there is a thin insulating layer, followed by two general-purpose metallic resistive layers on each side. For higher-power applications, the resistor is then covered with a protective resistive layer on each side, to further reduce the risk of overheating. This ensures that the resistor stays reliable for a long time, even in adverse conditions.

The KNP5WSJR-73-220R is an excellent choice for many applications due to its excellent tolerance and temperature coefficient of resistance. Its four-terminal construction ensures a tight joint with the traces on a PCB, making it ideal for signal conditioning, power supply regulation, current limiting, and timing circuits. Its excellent thermal tolerance and construction make it suitable for high-power applications, as well as temperature-sensitive applications.

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