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Through Hole Resistors

The FKN2WSJR-73-1R3 is a type of through hole resistors (THRs), which are electronic components that are widely used in various electronic installations and systems. Through hole resistors are also known as “fixed-value” resistors, meaning that they are discrete electrical elements with fixed values of resistance, capacity, and inductance.

Application Field

Through hole resistors are used in a wide range of applications in many different industries. For example, they are used in industrial control and automation, medical equipment, telecommunications, automotive electronics, aviation electronics, circuit board designing, and computers. These resistors are also used in instruments that utilize electrical signals, such as audio mixing consoles, signal processing equipment, power amplifiers, and so on.

In addition, through hole resistors can also be used for specific applications requiring very low reactance values. For example, they are used in high-frequency, mixed-signal circuits, super-low-impedance circuits, and other special scenarios.

Working Principle

The working principle of through hole resistors is relatively simple. Basically, when a voltage or current is applied across its terminals, the resistor creates and stores electrical power. This energy is dissipated as heat, which is then conducted away through air circulation, if necessary.

The key component inside through hole resistors is the ceramic body. For standard resistors, this body contains a resistive material, such as carbon or metal oxide. Through hole resistors are designed to maintain a precise resistance value regardless of changes in temperature or frequency.

From a technical standpoint, the FKN2WSJR-73-1R3 consists of two metalized electrodes that are mounted in a ceramic body. The body is filled with a resistive material that is protected by a glass sealant. The electrodes are connected to the resistor\'s leads via solder, which also helps to reduce inductance.

Conclusion

Through hole resistors are essential components in many electronic systems and installations. They are usually used in power conversion, signal conditioning, and measurement applications. The FKN2WSJR-73-1R3 is a type of THR, which works by dissipating electrical energy as heat. It consists of two metalized electrodes placed in a ceramic body with a resistive material and protected by a glass sealant.

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