HL022R4BTTR Inductors, Coils, Chokes

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Fixed inductors are electromechanical devices that can store and release energy, usually in alternating current (AC) systems. These devices, also known as chokes, can filter out any higher frequencies and preserve the lower frequencies. This works due to the inductive properties of the inductor, which causes an electric current to oppose a change in the electric current. Fixed inductors can be used to store or release energy in variety of applications, such as audio, automotive and even aerospace applications.

The HL022R4BTTR is a fixed inductor from TDK Electronics. It is a radial leaded inductor that is made of ferrite materials. It is classified as a common mode choke, which is used to minimize common mode noise in a variety of circuits. This device also has a high rated temperature of up to 130 degrees Celsius.

The application field of the HL022R4BTTR includes automotive audio, electronic power supplies, game consoles and monitor screens. It is used in power supplies to reduce conducted emissions between wires within the system. In automotive applications, the filter is used to reduce noise in the audio signal. In game consoles, it is used to reduce electromagnetic (EM) interference from other electronic devices. In monitor screens, this device helps to reduce the EMI noise coming from the power grid.

The working principle of HL022R4BTTR fixed inductors begins with the inductor storing electrical energy in the form of a magnetic field. The magnitude of this stored energy depends on the amount of current flowing through the inductor and its inductance values. When the current changes, the magnitude of the magnetic field changes and the inductor stores and releases energy accordingly.

When two or more inductors are connected in series, an inductor network is created. These networks are used to reduce common mode noise in circuits. Each of the inductors stores energy and limits the amount of current that flows through the other inductors. This helps to filter out higher frequencies and preserve the lower frequencies in the system. The inductor network is further tuned using discrete capacitors, resistors, and other components, which allows further reduction of common mode noise.

In conclusion, HL022R4BTTR fixed inductors are versatile devices that can be used in a variety of applications, ranging from automotive audio to game consoles. The device stores and releases energy in the form of a magnetic field, and acts as a filter to reduce common mode noise in the circuit. The inductors can be tuned further using discrete components, which further reduces the noise in the system.

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