IMC1812EBR47J

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Inductors, or coils, are electrical components found in electronic circuits. In general, they are made up of insulated electrical wire wrapped around a core of ferromagnetic material. As an electrical current passes through the wire, it creates a temporary magnetic field around it. Synthetically, an inductor converts current into a magnetic field and vice versa. For this reason, inductors are commonly used in radio and television circuits, digital circuits and signal processing circuits.

While there are many types of inductors, fixed inductors are some of the most widely used. They exhibit a fixed inductance, meaning their resistance does not change with varying levels of electrical current. This characteristic makes them particularly appealing for specific applications where precise voltage levels are required.

IMC1812EBR47J is a fixed inductor manufactured by Vishay Intertechnology. It is an 1812 size, high current inductor that features high energy storage and long-term reliability. It is made up of a wound ferrite-core and sealed in a climate-resistant epoxy mold. This particular inductor is rated for an operating temperature range of -40°C up to +125°C, and is particularly suitable for automotive motor control applications, such as power factor correction, LED drivers, DC/DC converters and motor drives.

The IMC1812EBR47J inductor features a wide operating range of 0.44 to 37 Amps, with a nominal inductance of 47µH. It operates at a frequency range of 900kHz to 8MHz, and has a minimum resistance of 0.70Ω. The rated insulation voltage is 450VAC. Vishay specifies a current saturation density of 0.05 Ohm-nH and a saturation current of 97.3 A.

The working principle of the IMC1812EBR47J is based on Faraday’s Law of Induction. This states that a changing magnetic flux induces an electromotive force in a circuit. In the case of the IMC1812EBR47J, electrical current passing through its core´s winding create a magnetic field that induces a voltage in the surrounding circuit. This produces an electric current that flows in the opposite direction to the source current, thereby creating an “opposing” force to resistance in the circuit. This helps to stabilise the voltage in the circuit, as well as reduce power losses.

The IMC1812EBR47J fixed inductor is an extremely efficient and reliable component that can help many motor control applications run stable and efficiently. It’s versatile operating range and energy storage capacities make it a great choice for many different applications. Capable of under 0.2 Ohm-nH energy storage density, along with low-leakage current, high ripple current and high temperature resistance, it is an ideal inductor choice for motor control applications.

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