S0402-47NJ2

Series:	S0402
Packaging:	Bulk
Part Status:	Active
Type:	Wirewound
Material - Core:	Alumina
Inductance:	47nH
Tolerance:	±5%
Current Rating:	150mA
Current - Saturation:	--
Shielding:	Unshielded
DC Resistance (DCR):	830 mOhm Max
Q @ Freq:	19 @ 250MHz
Frequency - Self Resonant:	2.1GHz
Ratings:	--
Operating Temperature:	-55°C ~ 125°C
Inductance Frequency - Test:	250MHz
Mounting Type:	Surface Mount
Package / Case:	0402 (1005 Metric)
Supplier Device Package:	0402 (1005 Metric)
Size / Dimension:	0.043" L x 0.025" W (1.09mm x 0.64mm)
Height - Seated (Max):	0.030" (0.76mm)

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Fixed Inductors: S0402-47NJ2 Application Field and Working Principle

Fixed inductors refer to a variety of electronic inductors composed of winding copper wires on a magnetic core. They provide inductance for electronic circuits and some of their circuits can also be designed as transformers or filters. S0402-47NJ2 is a series of fixed inductors developed by the company. It is widely used in different applications.

Application Field of S0402-47NJ2

In general, S0402-47NJ2 are applied in electronics and electrical circuits, such as computers, communications and consumer electronic products. For example, they are used as input or output filters for switching power supplies, as well as parts of piezoelectric transducers, timing circuits, pulse width modulation circuits, and voltage regulators. They are also applied in special occasions such as transmit power supply for medical electronic instruments, microphones and intelligent charge methods.

Working Principle of S0402-47NJ2

S0402-47NJ2 works according to the principles of induction and resistance. It uses the principle of electromagnetic induction, in which a change in current will induce a voltage. It uses the principle of resistance, in which the greater the resistance, the greater the voltage drop across a conductor. The core is composed of a conductive material, usually ferrite or iron, which can pass electric current. The winding copper wire generates a magnetic field around it, and when the current flows, a voltage is induced in the winding. The working frequency of S0402-47NJ2 is in the range from several kHz to several MHz. The main principle is to detect and store the current or inductance value of the coil. Its inductance determines the reactance of the coil and the rate of voltage or current change across the coil when the current or voltage is changed, which makes it more suitable for circuits that need small ripple or need to be changed more slowly.

Conclusion

In conclusion, S0402-47NJ2 are fixed inductors which are widely used in electronics and electrical circuits. They work according to the principles of induction and resistance. The information provided in this article is intended to serve as a reference for those who want to learn more about S0402-47NJ2.

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