PL9317

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Fixed Inductors

A fixed inductor is an electronic component composed of a loop of wire, often wound on a core of ferromagnetic material such as iron. It stores energy in its magnetic fields, when current passes through it. The inductor is a passive electronic device that, unlike a resistor, stores energy in the form of a magnetic field and changes the current in a circuit in response to a voltage applied to its terminals. Inductors are widely used in a variety of applications, such as filters, voltage regulators, protection circuits, and control circuits.

The PL9317 fixed inductor is a high-performance differential-mode EMI filter inductor with excellent high-frequency characteristics and low DC resistance. It is suitable for EMI suppression, signal attenuation, and power supply noise reduction applications. The PL9317 features a large current capacity and reliable heat dissipation, making it suitable for a wide range of high-power applications.

Application Field

The PL9317 is suitable for noise suppression and EMI suppression applications in consumer electronics and automotive electronics such as high-power chargers and power supplies, as well as for signal attenuation and power supply noise reduction in mobile devices such as tablets and smartphones. It is also suitable for power delivery networks, lighting circuits, communication circuits, industrial automation, and power conversion devices.

Working Principle

The PL9317 is based on the principle of mutual inductance. When a voltage is applied to the inductor, a current passes through the coil and produces a magnetic field. The magnetic field then interacts with the core material of the inductor, creating an opposing force, which is called inductance. This inductance acts like a resistor, causing the current to decrease as it travels through the inductor. This effect is used to filter out unwanted noise and protect sensitive components from potentially damaging voltages.

The PL9317 also has superior heat dissipation capabilities due to its construction. The coil is insulated with a conducting material, which helps reduce the level of heat produced. This helps to ensure that the inductor remains cool and can safely handle high-power applications without risking damage to the components.

The PL9317 is also highly effective at suppressing unwanted noise. It acts as an efficient low-pass filter, allowing high-frequency noise to pass through while blocking most lower frequencies. This helps to reduce interference, which can degrade performance and affect the signals in a system.

The PL9317 is designed to provide reliable performance in a wide range of applications. It offers superior filtering characteristics and high current capacity, making it an ideal choice for industrial, automotive, and consumer electronics applications.

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