ELJ-RE47NJFA Inductors, Coils, Chokes

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Fixed inductors have been an important component of electrical and electronic circuits for many years, providing the inductance required for operation. The ELJ-RE47NJFA is a ceramic core inductor made from an array of ceramic elements which combine to form an inductor that can handle up to 10 A of current. It is designed to be used in high frequency applications such as radio communication systems.

The ELJ-RE47NJFA is composed of a series of ceramic elements arranged in a precise pattern within an epoxy housing. The ceramic material chosen for the core elements provides excellent stability, ensuring that the core operates at a consistent resistance level even in harsh and changing environments. The pattern of elements, combined with an epoxy housing, provides the inductor with protection against mechanical shock and vibration. The epoxy also acts to suppress any EMI radiation from the inductor, ensuring that the inductor does not interfere with other circuits.

The ELJ-RE47NJFA inductor is designed to operate in the frequency range of 3 kHz to 3 GHz. At higher frequencies, the inductor exhibits excellent Insertion Loss, allowing current to flow at low levels of losses compared to other inductors. Its self-resonant frequency is around 4 GHz, meaning the inductor will not be subject to excessive losses as frequencies increase beyond this point. The inductor’s inductance value remains stable throughout the operating frequency range.

The inductor is designed to handle as much as 10 A of current, so it can be used in high power applications such as radio communication systems. It is also designed so that it can be connected to other components without any soldering, allowing for easy assembly. Its compact size and lightweight make it easy to install in even the most crowded circuitry.

The working principle of the ELJ-RE47NJFA inductor is based on the fundamentals of magnetism and eddy currents. When an alternating current is passed through the inductor, a magnetic field is created which induces an electric current in the copper coils wound around the ceramic core. This current opposes the incoming current, resulting in an induced voltage (eddy current) which has the opposite phase to the original current. As a result, the inductance is created, allowing current to flow with a resistance that is dependent on the coils’ inductance.

The properties of the ELJ-RE47NJFA inductor make it ideal for a wide range of applications. It can be used in power supply circuits, motor control systems, circuit design, and for a variety of radio communications applications. Its stable inductance and low losses at high frequencies make it a reliable and high-performance component for these applications.

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