PM20S-R18M

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Fixed inductors, also known as chokes, are electrical components that are often used in circuits to permit higher current flow in one direction, while blocking the flow in an opposite direction. Inductors are devices that stores electrical energy in a magnetic field, and as such, are typically used to filter signals, protect other electronic components and create resonance. The PM20S-R18M is one such inductor.

The PM20S-R18M is a type of fixed inductor that is manufactured by Pulse Electronics. This inductor offers a wide range of features and is available in a variety of versions. For example, it is available in both vertical and horizontal versions, and is suited for a variety of applications.

The PM20S-R18M is a surface-mount passive component that is characterized by small size, low cost, and high efficiency. The product is available in a variety of packages, ranging from 0.154in x 0.196in to 0.409in x 0.410in (4mm x 5mm to 10mm x 10.5mm).

The PM20S-R18M is ideal for use in applications that require high frequency operation, such as portable communication systems, VHF/UHF systems, and automotive and medical electronic equipment. In addition, this inductor can be used in power circuits, DC/DC converters, audio circuitry, GPS systems, switched-mode power supplies, and other power and signal systems.

While the PM20S-R18M is available in a variety of packages, the one that is specifically tailored for high frequency operation is the 0.406in x 0.510in (10mm x 13mm) size. This version of the PM20S-R18M offers good operational frequency and impedance characteristics, providing a low inductance of 0.010 microhenry, a high-frequency capacitance of 0.60pf, and a Q factor of over 35.

The PM20S-R18M is a a solid core inductor that exhibits high current handling capability and low DC resistance. However, due to the size of the inductor, the current rating (3A) is somewhat limited; although the maximum current rating goes up to 8A depending on the application.

The working principle of the PM20S-R18M is based on the concept of induction, which occurs when a changing magnetic field creates an electric current in a conductor. This inductor contains a coil of wire around a iron core, and when current flows through the coil, a magnetic field is created. By changing the core material, the inductance of the device can be varied. The resistive component of the inductor, also known as DC resistance, can be adjusted by varying the number of turns or by changing the diameter of the wire.

In addition to the PM20S-R18M, Pulse Electronics also manufactures a wide range of other inductors for various applications. These include switching, linear, and power inductors, as well as high-dissipation power inductors. Pulse Electronics also offers custom design services, which can be used to develop inductors in a variety of shapes, sizes, and specifications to meet specific requirements.

As a result, the PM20S-R18M fixed inductor provides an excellent solution for applications that require high frequency operation and low DC resistance. This inductor offers high efficiency, a wide range of features, and is easy to install, making it an ideal choice for a variety of applications.

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