S0402-22NJ2

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Fixed inductors, also known as coils, chokes, and reactors, are electronic components that store electric energy in the form of a magnetic field. The S0402-22NJ2 is a miniaturized SMD power inductor providing a reliable solution for use in switched mode power supply, DC-DC converters, and other applications where higher rated current, low profile and high current density are demanded.

The S0402-22NJ2 has a low DC resistance, high current, and -6~+10% inductance tolerance. It has a very-low profile measuring only 0.4 mm in height, an inductance of 2.2 uH, and a rated current of 1.8A. The S0402-22NJ2 is constructed using a ferrite core, which provides higher current capability and lower DC resistance. The inductor is encapsulated in a non-conductive plastic material which helps protect the core from dust, moisture, or other environmental hazards.

The S0402-22NJ2 has a wide range of applications. In mobile phone chargers, measurement equipment, and other consumer electronics, it can be used for EMI suppression, as well as for signal filtering. In power supplies, it can be used to reduce ripple currents and minimize noise. The S0402-22NJ2 can also be used in DC-DC converters for voltage pulsing, AC power filter, high frequency pulse transformer, and other applications.

The working principle of the S0402-22NJ2 is similar to that of an ordinary inductor. When a current passes through the inductor, it creates a magnetic field which stores electric energy and resists changes in current. The inductance of the S0402-22NJ2 is determined by the number of turns and the core material, and its DC resistance is determined by the number of turns and the winding technique. The inductor stores the energy that circulates throughout the circuit as electric current. When a current changes, the inductor resists the change, creating an opposing voltage. Thus, the inductor can be used to filter out DC or AC signals, or to reduce ripple current in power supplies.

The S0402-22NJ2 is a miniaturized SMD power inductor, providing a reliable solution for use in switched power supplies, DC-DC converters, and other applications. Its low DC resistance, high current, low height, and high current density make it suitable for use in mobile phone chargers, measurement equipment, power supplies, and other consumer electronics. Its working principle is based on the principles of an ordinary inductor, storing electric energy in the form of a magnetic field, and providing resistance to current changes.

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