PC9FJ180K

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Fixed inductors are widely used in circuit designs, and PC9FJ180K is a very common type among them. In this article, we will introduce its application field and explain its working principle.

Application Field

The PC9FJ180K fixed inductor is a product of TDK Electronics, which is mainly used in various power supplies, transformers and filter chokes. It is ideal for power supply applications such as DC-DC converters, adapter applications, and automotive applications. Its wide operating temperature range (from -40°C up to +125°C) and high surge capability makes it most suitable for harsh environment operations. Moreover, its plastic sealed construction makes it easier to use in different applications. Besides, it is also very suitable for use in consumer electronics and industrial electronic products.

Working Principle

The PC9FJ180K fixed inductors are basically developed based on the electromagnetic field principle. When electricity passes through it, the magnetic flux will produce an inductance value. This inductance value is related to two factors: the number of turns of the wire and the relative size and shape of the inductor. Meanwhile, the core material (magnetism or air) that forms the inductor also affects the efficiency of the inductance. The size of the inductance is proportional to the number of turns, and the size of the core material is related to the inductance value.

The working principle of PC9FJ180K is based on Lenz\'s law. It states that "the EMF induced in a circuit containing inductance is opposite direction of the induced current, and the magnitude of the EMF is directly proportional to the rate of change of current." When the electric current flowing through the winding suddenly changes its velocity, the magnetic field will also change its intensity immediately. This change of magnetic field will induce a voltage in the winding in the opposite direction of the current to make up the lost source of energy. This is how the PC9FJ180K fixed inductor works.

In conclusion, the PC9FJ180K fixed inductor is a widely used device, especially for power supply and filter choke applications. Its wide operating temperature range and high surge capability make it suitable for harsh environment operations. Moreover, its unique working principle based on Lenz\'s law allows it to generate inductive voltage, making it an ideal device for various power supply and filter choke applications.

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