PNS180JT-73-100R

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Through Hole Resistors are essential components in most electronic circuits, and as such, it is of utmost importance to be well versed in their application field and working principles. Understanding the operation and characteristics of each resistor is necessary for optimal circuit design.

The PNS180JT-73-100R is a through hole resistor that provides excellent performance for applications that require high power. Its features include reliable current and voltage control, low noise operation, and compact size. This type of resistor can be used for various electronic applications, including power devices, snubber circuits, and high voltage power supplies.

The working principle of the PNS180JT-73-100R is based on the concepts of ohmic resistance and Joule heating. The ohmic resistance is determined by the material used to manufacture the resistor. This material usually consists of alumina or ceramic material, which has small amounts of metal oxides incorporated into it to control the resistance values. The Joule heating effect occurs when the current flows through the resistor, converting electrical energy into heat.

To generate the desired resistance value, the resistance material is cut into a pattern that follows certain geometric laws. This is referred to as the element pattern. The patterns are typically made of spiral, zigzag, or chevron shapes. To create higher resistance values, more complex patterns may be used. The patterns affect the resistivity of the element, which is the material’s ability to oppose the flow of current.

The element pattern determines the location of the PTC cells along the resistor’s length. The cells are thermistor-type components that prevent excessive current inrush and temperatures resulting from over-current. When the cell’s temperature increases, its resistance also increases, which will lead to a drop in the current, protecting the resistor from damage. The cells consist of an oxide-filled, glass-to-metal bond, and they are carefully designed to ensure reliable protection.

The PNS180JT-73-100R is designed to operate with a maximum rating of 100W, and is suitable for most industrial applications. It is important to note that the resistor should be mounted securely to ensure safe operation. With the appropriate material and mounting, the PNS180JT-73-100R is an effective and reliable resistor for many electronic applications.

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