UP2.8B-4R7-R

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Fixed Inductors

A fixed inductor, also known as an RF inductor, is a passive electrical component that stores energy in the form of a magnetic field when an alternating current passes through it. It is commonly used in circuit designs to provide a steady current and to provide the desired impedance within the circuit. One common type of fixed inductor is the UP2.8B-4R7-R. This device is typically used to shield electromagnetic interference and limit frequencies in radio-frequency (RF) applications.

Application Field and Working Principle

The UP2.8B-4R7-R is commonly used in applications such as RF switching, RF signal filtering, RF antenna tuning, and high-power RF circuits. These devices possess a high Q factor which allows for higher peak current than other types of inductors. They also offer low distortion and noise when compared to other inductor designs. In terms of their working principle, as an alternating current passes through the UP2.8B-4R7-R, a magnetic field is created around the coil. This magnetic flux creates an inductance that stores energy in the form of a magnetic field. The energy can then be accessed during the application when this magnetic field collapses back into the coil.

The UP2.8B-4R7-R device can operate at frequencies up to 2.8 GHz and offers a wide impedance range from 1 to 11 ohms. Furthermore, these devices are designed to withstand extreme temperatures from -40 to +65 Celsius. Moreover, the UP2.8B-4R7-R is designed with a large variety of sizes and shapes to fit into a wide range of circuit configurations.

As mentioned earlier, these inductors can be used to filter out electromagnetic interference. By using a UP2.8B-4R7-R inductor, the circuit designer can create a shield that isolates and protects sensitive circuitry from large amounts of interference without affecting the desired signals. Furthermore, they can be used to limit the frequencies within a circuit. This is done by selecting an inductor with an impedance that is higher than the frequency of the undesired signal. By doing this, the undesired signal can be blocked while allowing the desired signals to pass without being affected.

The UP2.8B-4R7-R inductor is designed and manufactured to meet rigid standards which ensure reliability and performance. The robust design of these devices ensures that they can be used in a wide variety of applications. From high-power RF circuits to RF signal filtering, the UP2.8B-4R7-R inductor is an essential component for any circuit design where shielding and limiting frequencies is needed.

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