MIL1812-821K Inductors, Coils, Chokes

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Fixed inductors, also known as inductors, are A passive electric device, usually consisting of a coil of insulated wire wound around a core, its purpose is to store energy in the form of a magnetic field. MIL1812-821K is one of the fixed inductors in the mil range, and it has a wide range of applications. It can be used in numerous electronic circuits ranging from simple power supplies and signal supplies to radio frequency systems. This article will explain the MIL1812-821K application field and working principle.

MIL1812-821K Application Field

MIL1812-821K can be used in various applications, as it is a general-purpose fixed inductor offering high accuracy and good tolerance. This inductor can be used in the following applications: radio receivers, radio broadcasting, power supplies, current sensors, signal supplies, transformers, AC and DC power supplies, EMI filtering, and a wide range of other electronic applications. The MIL1812-821K has high frequency performance and can be used in high-frequency circuits, making it suitable for radio frequency systems. It also has excellent thermal stability, making it suitable for high-temperature applications.

MIL1812-821K Working Principle

MIL1812-821K is a fixed inductor that uses the principles of magnetic induction to create a magnetic coil. The coil creates a magnetic field in the area surrounding it, which stores energy. When an alternating current passes through the inductor, the changing direction of the current causes the magnetic field to collapse and restore. This causes a voltage to be induced across the inductor in the opposite direction, which can be used for power supply or signal supply applications.

In addition, when the voltage is changed in the inductor, the magnetic field is also changed, and this change also induces a voltage in the opposite direction. This is known as the Back EMF (BEMF) or counter EMF, which is caused by the changing magnetic field. This effect is used in sensors such as current transformers, to detect or measure current in the circuit.

Conclusion

MIL1812-821K is a fixed inductor that can be used in a wide range of electronic applications. It has excellent performance in terms of accuracy, tolerance, temperature stability, and high-frequency performance. Its working principle is based on the concepts of magnetic induction, whereby a magnetic field is generated when a current passes through the coil and a voltage is induced in the opposite direction, as well as the BEMF, which is induced by the changing magnetic field. As such, it is suitable for applications in radio frequency systems, transformers, current sensors, power supplies, and other electronic circuits.

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