PL8404

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Fixed inductors are used in power electronic systems to absorb energy from a voltage supply and store it in the form of a magnetic field. Usually, a large number of inductors are embedded in the power converter circuitry to perform useful current control. In certain system topologies, there is a requirement to use a high inductance but small value inductor to control current ripple and to reduce voltage spikes. These inductors must have low DC resistance, low profile, low cost and good reliability. The PL8404 is such an inductor specifically designed for applications in power converters.

The PL8404 is a low-profile, low resistance and cost effective device with a high inductance value. It is an Air Core Fixed Inductor that is optimized for current control in power converters and is qualified for operation in industrial or automotive conditions. This inductor is a low-profile device that is capable of providing high levels of inductance in a small footprint package. The PL8404 consists of two 2-layer copper coils or a single 4-layer copper coil for higher inductance values. It utilizes air as the magnetic material and is wirewound to provide maximum performance.

The PL8404 is available in many inductance values ranging from 0.47uH to 100uH and it is sized to fit existing Infineon DC/DC converters, making it the ideal choice for power converters. The device is also available in different sizes and shapes to fit the specific applications and has an operating temperature range from -40°C to 115°C. The maximum DC resistance of this inductor is 2.8 mOhm and the maximum rated current is 6.6A. These characteristics make it an ideal choice for power conversion applications.

The working principle of the PL8404 is based on Faraday’s law of induction. It states that if the perpendicular component of the magnetic field in a coil changes, an electromotive force is induced in the coil which causes a current to flow into it. The PL8404 has two windings that are wound around an ironcore and when an alternating current is passed through it, the changing magnetic field induces an EMF in the second winding, thus causing current to flow. This current is used to control the output current of the power converter.

The PL8404 is a robust and reliable inductor that is designed for power applications with low cost and small size. It is a low-profile device with high inductance and low resistance. It is an air-core device that utilizes Faraday’s law of induction to provide high levels of current control. The PL8404 is an ideal choice for power converter designs given its low cost, high performance and reliability.

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