RL1011-6R8-R

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Fixed Inductors

An inductor, also called a coil, a reactor or a choke, is a two-terminal passive electrical component that stores energy in a magnetic field when an electric current passes through it. It is used to block the flow of direct current, while allowing alternating current to pass. Examples of inductors most commonly found are solenoid coils used in relays.

Inductors can be categorized into two main categories: fixed inductors and variable inductors. Fixed inductors are used in circuits where the inductance remains relatively constant and can only be changed by re-winding the coil or by replacing the inductor with another device. On the other hand, variable inductors are particular types of inductors that can be adjusted through a tap, by varying the turns ratio, or through a variable inductance core variable.

Among the fixed inductors, the RL1011-6R8-R is an inductive type, which is typically used in applications like switching power supplies, SMPS, DC-DC converters, AC-DC converters, PFC, DC-AC inverters and amplitude modulators, among others. These applications are common in computers, consumer electronics, communications, and so on.

Working Principle

The RL1011-6R8-R is an inductor that works on the principle of Faraday\'s Law of Induction, which states that a changing magnetic field creates an electric field. The current flowing through the inductor creates a magnetic field around it, and when the current increases or decreases, the magnetic field changes, inducing a voltage in the inductor. This generated voltage opposes the change in current, as described by Lenz\'s Law, and so the current decreases more gradually.

The RL1011-6R8-R is constructed of an enameled copper wire embedded in ferrite formed in a “U” shape. This design allows it to sustain relatively high current levels (up to 1.5A) and low temperature coefficients without forming wide air gaps. The coil serves as a passive device, storing energy in the form of a magnetic field when a current is flowing through it.

When used in a circuit, the RL1011-6R8-R functions as an inductor, providing a low impedance path to AC signals over a wide frequency range, from 10Hz to 1MHz. This low impedance makes it ideal for suppressing high-frequency noise and improving signal quality in radio frequency applications. The inductance of the RL1011-6R8-R is 6.8µH, while its DC resistance is 0.3 Ohms.

Conclusion

In conclusion, the RL1011-6R8-R is a fixed inductor, typically used in applications such as switching power supplies, DC-DC converters, AC-DC converters and DC-AC inverters. It works on the principle of Faraday\'s Law of Induction, and it has an inductance of 6.8µH and a DC resistance of 0.3 Ohms. Because of its low impedance path, it is ideal for suppressing high-frequency noise and improving the signal quality in RF applications.

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