F20J25R

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Chassis Mount Resistors are a form of electrical component that act as rigid resistors and can be fixed to surfaces such as a chassis or PCB to provide electrical resistance in an electrical application. The F20J25R is one of the most common types of chassis mount resistors found in the industrial market, offering an impressive 20watt rating with a four-terminal connection. This type of resistor is easily mounted to a PCB or chassis and can be used in a variety of applications due to its durability, size and power ratings.

The F20J25R is a four-terminal resistor, meaning that all four wires connected to the unit can form a current loop. This arrangement is preferred over single wire connection as it allows for greater variation in resistance values and control over the current loop in the system. The four terminals of the resistor are connected to each other via either points, flats, cups or clips, such that the desired resistance can be achieved by adjusting the terminal connections. This makes the F20J25R very versatile and suitable for many industrial applications where a fixed resistance is needed.

The F20J25R chassis mount resistor works by using a method known as ‘Ohm’s Law’, which states that the current is proportional to the applied voltage, and inversely proportional to the resistance. This means that the higher the voltage applied to the resistor, the higher the current through it. The resistance is not fixed, however, as the user can adjust the connections between the four terminals to achieve the desired resistance for the application.

The F20J25R chassis mount resistor has a wattage rating of 20w, meaning it is ideal for applications requiring a significant amount of power. However, due to its small size, it is not suitable for high voltage or current applications. This type of resistor is also not designed for use in extreme temperature or vibration applications. This means that it must be installed with care in order to ensure the integrity and safety of the system.

In general, the F20J25R chassis mount resistor is suitable for smaller, low voltage and low current applications such as signal conditioning, hot swap protection, and audio/video equipment. It is easy to install and offers great flexibility to users when adjusting the resistance of the system. It is also cost effective, making it a popular choice for industrial applications requiring additional resistance.

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