ELJ-PC4R7MF Inductors, Coils, Chokes

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Inductors are useful components found in many electrical circuits, and they come in all shapes and sizes. Fixed inductors, in particular, are components which have non-variable inductance that is set to a single value.One of the most common fixed inductors is the ELJ-PC4R7MF, which have come to be used in a vast array of applications. It is precisely due to this unit\'s popularity that we will take an in depth look at the ELJ-PC4R7MF, its field of application and its working principle.

The ELJ-PC4R7MF is a compact surface-mountable fixed inductor. It is characterised by high efficiency and variable reliability. Its features include a compact size of 5.1mm x 6.6mm, a rated current of 0.8A, a rated inductance of 4.7uH/8.2mH and an operating temperature range from -40°C to +85°C.

The ELJ-PC4R7MF is widely used in automotive and audio applications, and is especially well suited to inductive load switching applications such as power management and power conversion. It has become a popular choice for applications where there are significant space and power requirements such as video display and automotive navigation systems, as well as electronic toys and circuits.

In terms of its working principle, the ELJ-PC4R7MF is based on an inductor-based network. An inductor is a coil that consists of a wire wrapped around a core material, usually ferrite. When a current is applied to the coil, a magnetic field is created, which produces a counter-force against the passing current. This counter-force, otherwise known as the inductance, is what makes up the inductor. The inductance produced by the ELJ-PC4R7MF is set at 4.7uH/8.2mH.

In addition, the ELJ-PC4R7MF has features such as low impedance, low DC resistance, and low core loss. These are all important performance characteristics, and contribute to the overall efficiency of the inductor. With a low impedance, the ELJ-PC4R7MF is able to facilitate high-frequency, low-power operation. Additionally, the low DC resistance ensures that the inductor does not release too much of its energy as heat. This helps to maintain the temperature of the inductor at an optimal level, as well as helping to maximise power efficiency.

The ELJ-PC4R7MF is also notable for its plain four-wire winding, which enables multiple inductors to be connected in parallel or in a series. By having this capability, multiple inductors can be used for applications where large inductance values are required, but space is limited. Additionally, the four-wire winding makes it easier to construct circuits with multiple inductors.

In conclusion, the ELJ-PC4R7MF is a widely used surface-mountable fixed inductor that is particularly well suited for power management and power conversion applications. It is characterised by high efficiency, variable reliability, and a plain four-wire winding, which enables multiple inductors to be connected in parallel or in a series. Its working principle involves an inductor-based network, with an inductance set at 4.7uH/8.2mH and features such as low impedance, low DC resistance and low core loss.

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