PM42S-3R3-RC

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Fixed Inductors

An inductor is one of the four fundamental components that are used in electrical and electronic circuits, including resistors, capacitors, inductors, and transistors. Inductors store energy in the form of a magnetic field, which allows for the opposition of changes in current. As such, they are used in numerous applications, ranging from radio frequency filters to wireless communications equipment.

The PM42S-3R3-RC fixed inductor is one such device, and may be used in a variety of tasks in both industrial and consumer applications. This device is a four-pin, 3.3 μH surface-mount inductor that features low DCR values, high SRF frequencies, and good EMI characteristics. It is able to operate under extreme temperatures, and is suitable for commercial, industrial, and automotive applications.

Application Field

The PM42S-3R3-RC inductor has a wide range of potential applications. Its high operating temperature range and low DCR makes it suitable for high-current power supplies and battery-powered devices. The device is also capable of resisting EMI interference in applications involving wireless and cellular communication. Additionally, its excellent high-frequency and low-frequency characteristics make it particularly useful in radio frequency filter applications.

The PM42S-3R3-RC inductor may also be used in a variety of automotive applications, such as in engine control systems, transmission controls, and power steering systems. Furthermore, thanks to its high SRF frequency, the device can be used in active noise filters, which can be used to reduce noise in cars.

Working Principle

The PM42S-3R3-RC Inductor works on the principle of an inductor, which is a device that stores energy in the form of a magnetic field generated by a coil of conductive material. When a current is applied to the device, it creates an opposing magnetic field, which opposes changes in current flow, and therefore resists changes in voltage. This property of the inductor is the basis of the device\'s usage in applications such as power supplies and EMI filters.

When an alternating current is flowing through the coil, the magnetic field stored in the inductor will change. This change creates an induced voltage, known as back-emf, which opposes the current flowing through the coil and attempts to keep it in its original state. As a result, this back-emf helps to regulate the current flow, thereby helping to ensure that the correct amount of current is delivered.

The PM42S-3R3-RC Inductor\'s excellent EMI characteristics are also due to its high SRF frequency, which provides excellent attenuation of interference. Along with its high operating temperature range and low DCR, the PM42S-3R3-RC is attractive for use in a variety of applications, ranging from automotive and industrial applications to radio frequency filters.

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