FKN2WSJR-73-39R

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Through hole resistors, also known as axial resistors, are one of the most common electronic components used to reduce electric current in a circuit. The FKN2WSJR-73-39R is a particularly widespread type. It is mainly used in low-power communication circuits. This article explains the working principle of this device and its application field.

Description of the FKN2WSJR-73-39R

The FKN2WSJR-73-39R is an axial resistor. This means it has two terminals, which are both easily accessible for soldering or other connections. It uses carbon-based layers to conduct electricity, providing a high level of reliability and consistent performance. It also features low temperature coefficient and high stability.

Additionally, the device has relatively low power dissipation capabilities and modest voltage ratings. This makes it ideal for electrical circuits which require a slight reduction of the current. Furthermore, the FKN2WSJR-73-39R has the option of using metal-oxide or wirewound resistors as a replacement, in cases where a higher power dissipation or a greater voltage rating is needed.

Working Principle of the FKN2WSJR-73-39R

A resistor is a passive device, which means it does not require any external source of power for it to function. It provides an electrical resistance to the current in order to limit the flow of electrical charge. This reduces the overall current in the circuit.

The resistance of a FKN2WSJR-73-39R is determined by the layer of carbon-based material between the two terminals. The resistance is proportional to the temperature, as the material gets warmer the resistance increases. This means the current flow will be reduced as the temperature rises.

The device also features a diode, which acts as an electronic gate allowing or preventing the current from passing through. This gate can be open or closed depending on the voltage passing through it. When the voltage is below a certain threshold, the diode acts as an obstruction to the current, while at higher voltages it will allow the current to pass through, creating a more efficient circuit.

Application Field of the FKN2WSJR-73-39R

The FKN2WSJR-73-39R is mostly used in low-power communication circuits. Its resistance to current makes it ideal for these circuits, as it helps preserve energy and reduce electrical noise. It is also used in power supply circuits for computers and other electronic devices.

Additionally, the FKN2WSJR-73-39R can also be used in digital signal processing circuits, audio amplifiers, radio circuits, and automotive electrical systems. It is also a popular component for use in hobby electronics, or in prototyping new designs.

Conclusion

The FKN2WSJR-73-39R is one of the most commonly used through hole resistors. It is suitable for low-power communication circuits and has the option of using metal-oxide or wirewound resistors if a higher power dissipation or voltage rating is needed. Its ability to limit current flow and reduce electrical noise makes it an ideal choice for a wide variety of applications.

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