HKQ04022N9S-T

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Fixed inductors are electrical components that can store energy in the form of a magnetic field. They are distinct from variable inductors, which allow the inductance to be adjusted. Inductors are often used with capacitors in electronic circuits to shape the frequency response of the circuit. They are also used to filter out certain frequencies from a signal and to convert alternating current electrical signals into direct current signals.Fixed inductors come in many types and sizes, and they are characterized by their inductance value, which is usually represented in micro-henries (uH). The HKQ04022N9S-T fixed inductor is a 0402 size inductor with a 22uH inductance value. It has a DC resistance (DCR) of 0.1 ohms and a maximum current rating of 2.9 A at 25°C case-temperature. It also has a maximum self-resonance frequency (SRF) of 6 GHz and a temperature coefficient of ±0.7%/°C.

The HKQ04022N9S-T fixed inductor has a variety of applications ranging from cellular phones and computers to automotive and consumer electronics. It is widely used in low-profile, high-density circuit designs requiring high reliability and high-frequency performance. It is also used as a transient voltage suppression device in automotive circuit designs, where its low DCR enables it to achieve higher surge current capability. In addition, it is also used as an output filter in switching power supplies, providing efficient control of output voltage ripple.

The working principle of a fixed inductor is based on Faraday\'s law of induction. When a current carrying conductor is placed in a magnetic field, it will generate a magnetic field in a circuit. This generated magnetic field will induce a voltage in the circuit. This induced voltage will cause the current in the circuit to flow in the opposite direction to the current in the coil. This effect is known as self-induction and is the basis of how fixed inductors work.

Fixed inductors are necessary components in any electronic circuit due to their ability to store energy in the form of a magnetic field. They can be used to shape the frequency response of a circuit, filter out certain frequencies, and convert alternating current signals into direct current signals. The HKQ04022N9S-T fixed inductor is a 0402 size inductor with a 22uH inductance value offering low DCR and high SRF for use in high-performance, high-density applications. It is well-suited for a variety of applications, such as cellular phones, computers, automotive circuits, and consumer electronics.

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