S0402-3N3J2

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Fixed inductors are electrical components commonly used in power electronic technology. Typically, they are composed of a coil and a magnetic core to form a loop for energy storage. The inductor used is called an inductor due to the “back EMF” generated when a current passes through; this back EMF is a measure of the inductance of the inductor. The S0402-3N3J2 is a small surface mount inductor from the Original Norms family of parts, and is a widely used component in industry.

The S0402-3N3J2 is rated for an inductance of 3.3 nH, and a DC resistance of only 0.135 ohms, allowing for a very high-frequency performance, making it suitable for use in applications where a high switching frequency, and thus high inductance, is required. Additionally, its very small size (Height: 0.406 mm, Width: 0.242 mm, Length: 0.242 mm) allows for a high degree of portability and ease of integration to existing designs or devices.

The S0402-3N3J2 is most commonly used in RF applications such as amplifier circuits and mobile and data wireless communications. The operating temperature range of the part is from -40°C to +125°C, covering a wide range of operating conditions. Its densely packed internal structure does not require a shield or metallic casing, allowing for easy integration into a wide variety of designs.

The working principle of the S0402-3N3J2 is quite simple. When a current is passed through the inductor, it generates an opposing force (back EMF) proportional to the rate of change of current. This EMF will oppose the injection of the current and cause a lag in the applied current. This, in turn, causes a decrease in the current at the same rate and an increase in the voltage. As a result, it helps to prevent high-frequency surges, and can act as an impedance for the applied current and voltage.

In summary, the S0402-3N3J2 is an extremely versatile and efficient fixed inductor used in many RF applications. It has a very low DC resistance and a wide operating temperature range, making it suitable for a wide variety of applications. Its low profile and densely packed design also make it easy to integrate into existing designs. The S0402-3N3J2\'s main function is to act as an impedance in the circuit and prevent high-frequency surges, making it invaluable in modern-day RF applications.

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