HVR2500004753FR500

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Through Hole Resistors

Through hole resistors are components designed to provide precise resistance values in electrical circuits. The most common type of through hole component is the axial lead resistor or HVR2500004753FR500, which are designed to be mounted on a printed circuit board.

Application Field

Through hole resistors are most commonly used in applications where a specified resistance needs to be maintained for the circuit to remain functional. This is typically in analog circuitry, such as amplifiers, and for feedback control in analog-to-digital converters. In these instances, the resistor prevents the current from flowing directly to the output, ensuring that the signal is stable and does not become overloaded.

Through hole resistors are also used in digital circuitry, including digital logic circuits, where they are used to regulate the flow of current through the components and ensure that they are not overloaded. These resistors are also used in power supplies, as they provide an easy way to adjust the amount of voltage provided and prevent overvoltages.

Working Principle

The working principle of a through hole resistor is relatively simple. It works by providing resistance to the flow of electricity between two points, thus slowing the current as it passes through. This resistance can be either fixed or adjustable depending on the design of the resistor.

The resistance in a through hole resistor is measured in ohms, and is determined by the size and type of materials used in its construction. Generally, larger components have higher resistance values. The resistance can also be adjusted by using multiple components in parallel. This allows for fine-tuning or for resistance to be increased or decreased depending on the particular application.

Through hole resistors are designed to be mounted on a printed circuit board, making them one of the most common components used on PCBs. They are typically soldered directly to the board, although there are some cases where they can be screwed in place.

Through hole resistors are relatively simple components and are inexpensive to produce. This makes them a popular choice for many applications, and makes them an important part of almost all electrical systems.

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