S0402-56NJ2S

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 of Fixed Inductors

Fixed inductors are passive electrical components that store energy in the form of a magnetic field when a current passes through them. They are often used in a variety of circuit applications, such as filters, smoothing of power supplies, and most notably in radio frequency (RF) circuits. RF circuits are necessary for applications such as cellphones and wireless networking. Fixed inductors can also be used in various power supplies and transformer circuits.

How do Fixed Inductors Work?

Fixed inductors work by producing a magnetic field in response to an input current. The magnitude of the magnetic field is proportional to the size of the magnetizing current. When the current flows, the effect of the fourth Maxwell equation (Faraday’s Law) is that a voltage appears across the inductor, opposing the flow of current (Lenz’s Law). This opposition to the input current is what is referred to as inductive reactance. The amount of inductive reactance present is dependent greatly on the physical size of the inductor, the number of turns in the winding, and the core material filling the windings.

S0402-56NJ2S Characteristics

The S0402-56NJ2S is a SMD surface-mount chip inductor that is suitable for many RF circuit applications. It has a rated current of 33uH and a rated current of 800mA. It is capable of operating at frequencies from 500 Hz to 5 MHz and has a temperature range of -40°C to 125°C. It also features a low-pass filter characteristic to reduce distortion of high frequency signals.

S0402-56NJ2S Application Field and Working Principle

The S0402-56NJ2S is most suitable for RF circuit applications such as cordless telephones, wireless LANs, and radio receivers. It can be used in radio frequency power amplifiers, filters, and oscillators due to its low passes filter characteristic, which reduces distortion of high frequency signals. When a current is applied to the device, it produces a magnetic field that opposes the flow of the current, causing a voltage drop. This opposition to the input current is known as inductive reactance and is dependent upon the physical size of the inductor, the number of turns in the windings, and the material filling the windings. High frequencies produce more reactance than low frequencies, allowing the device to filter out the higher-frequency signals.

Conclusion

The S0402-56NJ2S is a fixed inductor that is suitable for many RF circuit applications. It is capable of operating at frequencies from 500 Hz to 5 MHz and has a temperature range of -40°C to 125°C. It also features an inductive reactance characteristic with a low-pass filter to reduce distortion of high frequency signals. This makes it ideal for use in radio frequency power amplifiers, filters, oscillators, and other applications such as cordless telephones and wireless LANs.

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