HKQ04021N8B-T Inductors, Coils, Chokes

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Fixed inductors, also known as inductors in electronic circuits, are basically passive electromagnetic components used to store energy in the form of an electric field. The most common type of fixed inductor is the HKQ04021N8B-T. It is most commonly used in applications such as filters, resonators, oscillators, voltage regulators, power converters, and power amplifiers. The inductor is also a key component in many circuit designs.

The core of the HKQ04021N8B-T is made of silicon steel. The ferro-magnetic properties of the core allow for greater inductance for a given size. The inductance of the device is typically around 6.8uH, at a frequency of 100KHz. The device is capable of handling quite large currents, typically up to 3 amps. The Device is also designed to be able to handle high temperatures, typically about 150 degrees Celsius.

What sets the HKQ04021N8B-T apart from other inductors is its ability to change its inductance. This is done by changing the size of the air gap between the core and the winding. The size of the air gap is what determines the inductance of the device. By either increasing or decreasing the size of the air gap, the inductance of the device can be changed to suit the application.

In terms of working principles, the HKQ04021N8B-T is a fixed inductor. It is designed to store energy in the form of a magnetic field. When a current is applied to the device, it stores energy in the form of an electric field, this is known as inductance. As current is passed through the device, it will induce an opposing current that will oppose the main current because of the inductance. This is known as the law of inductance.

In terms of its applications, the HKQ04021N8B-T is used in a variety of fields. It is typically seen in power supplies, filters, regulators, transformers, and other consumer electronics. It is also often used in audio applications such as speakers and amplifiers. In addition, the small size and high tolerance of the device make it a popular choice for designers of medical device applications.

In summary, the HKQ04021N8B-T is a fixed inductor, that is commonly used in a range of applications. It is designed to store energy in the form of an electric field, and has the ability to change its inductance by changing the size of the air gap between the core and the winding. Its applications include power supplies, filters, regulators, transformers, and consumer electronics, along with audio applications such as speakers and amplifiers. Its small size and high tolerance make it a great choice for medical device applications.

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