S0402-56NJ3

DC Resistance (DCR):	1 Ohm Max
Height - Seated (Max):	0.030" (0.76mm)
Size / Dimension:	0.043" L x 0.025" W (1.09mm x 0.64mm)
Supplier Device Package:	0402 (1005 Metric)
Package / Case:	0402 (1005 Metric)
Mounting Type:	Surface Mount
Inductance Frequency - Test:	250MHz
Operating Temperature:	-55°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	1.7GHz
Q @ Freq:	21 @ 250MHz
Series:	S0402
Shielding:	Unshielded
Current - Saturation:	--
Current Rating:	100mA
Tolerance:	±5%
Inductance:	56nH
Material - Core:	Alumina
Type:	Wirewound
Part Status:	Active
Packaging:	Bulk

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Introduction

Fixed inductors are components used in electronic circuits that store and release electrical energy by inducing a voltage in a wire coil due to the electromagnetic field created by its magnetic core. The S0402-56NJ3 is a specific type of inductor with a wide range of applications in several industries. This article will discuss the application field and working principle of the S0402-56NJ3.

Application

The S0402-56NJ3 is a surface-mount fixed inductor, meaning that it is designed to be soldered directly to the surface of a printed circuit board (PCB). This makes it suitable for use in compact electronic devices such as laptops, smartphones, tablets, computer servers, and other miniature electronic applications which require significant amounts of power. Such applications could include power supplies, voltage regulators, and numerous other applications which implement inductors. Furthermore, the S0402-56NJ3 is also used in industrial equipment such as servo motors, robotics, automation equipment, and many other applications where its small size and high power efficiency are desirable.

Working Principle

Fixed inductors generally work on the principle of Faraday\'s law, which states that a change in magnetic flux induces an electromotive force (EMF) in the coil which results in a potential difference between the ends of the coil. The S0402-56NJ3 is no exception, as it operates in the same way, by generating an electromotive force when a current is applied. The current flowing through the S0402-56NJ3 induces an alternating magnetic flux which, according to Faraday\'s law, creates an alternating EMF in the coil. This EMF is capable of generating an electric field, which stores energy in the form of a magnetic field. This electric field and magnetic field are constantly in a state of interaction, forming an inductance. This property is known as self-inductance, and it is responsible for the high power efficiency of the S0402-56NJ3. Furthermore, when the current through the inductor is shut off, the stored energy is released back into the circuit in the form of an electrical discharge.

Conclusion

The S0402-56NJ3 is a type of surface-mount fixed inductor designed for use in a variety of electronic circuits, particularly in miniature electronic applications requiring high power efficiency. Its working principle is based on Faraday\'s law, in which a change in magnetic flux induces an EMF which generates an electric field and a magnetic field, ultimately creating an inductance which is capable of storing and releasing electrical energy. As such, the S0402-56NJ3 can be used for a wide range of applications, from laptops and smartphones to servo motors and automation equipment.

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