ELJ-FCR33KF Inductors, Coils, Chokes

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Fixed inductors, also known as inductors, are electrical devices mainly used to store energy or transfer electrical signals. Divided by application field, fixed inductors are divided into fields such as power inductors, signal inductors, filter inductors and common mode inductors etc. One of the typical inductor types is ELJ-FCR33KF.

ELJ-FCR33KF is a power inductor developed by Panasonic. It is widely used as a power inductor in switching power converters with its high quality and usually used in circuit elements of consumer products, such as digital cameras, LCD panels, Mobile phones, Set-top boxes and wireless access points etc.

The body size of ELJ-FCR33KF is quite small, its size is 8.0mm long, 4.4mm wide and 5.6mm high. Its inductor current rating is 33mA. The saturation current is around 3.7Amps and its rated DC resistance is 0.010ohm. It is lead-free and its inductance range is 0.5uH to 1.2uH. The rated voltage ranges from 8V to 16V and its operating temperature could reach up to 65℃.

Don\'t underestimate ELJ-FCR33KF’s small size and its low saturation current rating, its actual performance is extremely good. Operating at high temperature and high frequency power conversion, the saturatedcore easily handles instantaneous current of 1.52 times the rated current, which is still applicable for use. In addition, ELJ-FCR33KF has extremely low noise output and high operation stability, making it an ideal choice for use in heavily loaded switching power converters.

ELJ-FCR33KF works according to the basic working principle of a inductor. That is, when a current passes through the inductor, a magnetic field is generated in the surrounding area. As long as the current remains constant, the magnetic field generated by the inductor is relatively stable. When there is a sudden change in the current, the magnetic field will also be correspondingly adjusted at the same time, thus forming an inductance effect.

The actual way in which ELJ-FCR33KF works is very simple. When an alternating current is applied, the magnetic field generated by the inductor will resonate with the current, forming a loop in which the current is canceled out at the same time. This process is called inductive reactance. In short, ELJ-FCR33KF, together with other components of the circuit, can effectively reduce the interference of external signals and filter out the noise generated in the process.

In conclusion, ELJ-FCR33KF is a power inductor which is widely used due to its high quality and small size. The working principle of ELJ-FCR33KF is very simple, it works through the effect of inductive reactance, effectively reducing the interference of external signals and filtering out the generated noise. And it has an impressive performance in high frequency and high temperature power conversion. Therefore, it is a first-choice component in the field of fixed inductors.

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