KNP5WSJB-73-27R

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Through Hole Resistors incorporate an intrinsic physical property exhibited in many materials including metals, insulators, and semiconductors to provide an electrical resistance. This resistance is created by physically limiting the amount of current that can flow through a device when a voltage is applied. These devices are used from very low level signals to high power applications and the properties of resistors can vary greatly with the material and design.

KNP5WSJB-73-27R resistors are designed to offer a robust and stable resistance while consuming negligible power. These resistors are ideal for applications requiring precision and can be used in higher temperatures. The KNP5WSJB-73-27R resistor includes an air gap between two end-caps, separated by a heat-resistant ceramic material. The end-caps are then soldered onto a DIP (dual in-line package) printed circuit board.

The working principle of the KNP5WSJB-73-27R resistor lies in the fact that, when a voltage is applied across the resistance element, the element heats up due to the Joule heating effect. This heat expands the metallic materials within the resistor and the heat loss is transferred to the surrounding area via convection. The heating is proportional to the applied current, resulting in a fixed and predictable resistance value.

In addition, the ceramic core of the resistor reduces the temperature rise and helps to maintain an accurate resistance value over a wide temperature range. This ensures a reliable performance in applications where temperatures may vary drastically. The resistor also features a low temperature coefficient, which is a measure of the resistor’s deviation from its nominal value at elevated temperatures. It is usually measured in parts per million per degree Celsius (ppm/°C).

The KNP5WSJB-73-27R resistor is primarily used in power source circuits. Its working principle is ideal for applications requiring stability and accuracy despite high temperatures, such as automotive circuit designs, solar cell applications, power electronics and industrial control. It also offers a high operating temperature range, making it suitable for challenging environments such as space applications.

In general, the KNP5WSJB-73-27R resistor is a reliable, cost-effective and energy-efficient option for many applications, providing robust performance and accurate resistance over a wide temperature range. The device has proven to be an effective solution for many circuits requiring high accuracy and reliability.

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