HKQ0603S3N8C-T

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Fixed inductors, also known as chokes, are passive electrical components used to introduce inductance into the circuit. Commonly available in different form factors with various features, a wide range of inductors are used to serve a spectrum of applications. One such inductor is the HKQ0603S3N8C-T, a compact, low-profile chip-type inductor used for a various types of consumer electronics.

The HKQ0603S3N8C-T is a 6 mm x 3 mm chip-type ferrite inductor with a rated current of 3.8 A. This inductor provides inductance of 8.0 nH with a high Q value of 70 at 1.0 MHz. Rated to operate from -40 to +85 °C, temperatures, it features a self-resonant frequency of 18.9 MHz and an SRF of 2094 MHz. It offers a high self-resonant frequency and a low ohmic value. It has a high current handling capacity due to its low DC resistance of 0.096 ohms, making it ideal for switching applications. The inductor is RoHS compliant and AEC-Q200 qualified.

The main application field for this inductor is in power-conditioning circuits, dc-dc converters, high-efficiency charging applications, and other switching applications. It can be used for the input power supply stage of switching power supplies to reduce the ripple noise in the output voltage. The inductor can also be used in the output stage, reducing the high-frequency noise and improving the transient response of the output voltage. In automotive applications, this inductor is used to supply stable power to on-board electronics with improved EMI performance. It is also used in smartphones, notebooks, and tablets for power regulation and is becoming increasingly popular in DC-DC converters and lighting applications.

The working principle of an inductor is based on Faraday\'s law of electromagnetic induction. An inductor is an electrical component which creates an inductance in a circuit when the signal current flows through it. An inductor is basically a coil of wire wound around a core material such as ferrite. When a current passes through the coil, it creates a magnetic field which induces a voltage across the windings. This voltage is proportional to the rate of change of the current passing through the inductor. Thus, an inductor effectively acts as a filter to reduce high-frequency noise and reduce the effects of voltage spikes in the circuit.

The HKQ0603S3N8C-T is a robust and reliable chip-type ferrite inductor ideal for switching applications such as power supplies, chargers, and dc-dc converters. It offers excellent Q value and self-resonant frequency, good temperature stability, and low DC resistance with high current handling capacity. This small component is an efficient way to reduce ripple noise and offer improved EMI performance in all types of consumer electronics.

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