S0603-56NF2E

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Fixed Inductors

Inductors, also known as coils, chokes, or reactors, are passive electronic devices used to store energy in the form of a magnetic field. Inductors are components of electrical circuits used for filtering, tuning, coupling, and decoupling signals in a variety of applications. Fixed inductors are designed to hold a single inductance value. Many are designed with tight manufacturing tolerances to ensure that the stated inductance remains the same for the life of the component. Typical uses of fixed inductors include power factor correction, EMI/RFI filtering, and LC oscillator circuits.

S0603-56NF2E Application Field and Working Principle

The S0603-56NF2E is a surface-mount, fixed, magnetically shielded inductor designed to operate optimally in signal line and direct current (DC) circuits. The inductance value of this device is 56nH with a tolerable range of ± 0.3nH. A major benefit of this device is that it has a low DC resistance (DCR) rating of 0.15Ω, which significantly reduces power losses. The S0603-56NF2E also has a rated current of 46.6mA and a saturation current of 80mA which further increases its flexibility.

The construction of the S0603-56NF2E uses very thin inductor coils which are formed on a ferrite core material to instantly reduce interference and noise. The SRP technology that is implemented into the device design further enhances high frequency characteristics and EMI/RFI attenuation. Due to its very small size, the S0603-56NF2E is ideal for use in portable devices and compact electronic products that typically have space constraints.

The S0603-56NF2E is constructed using two bobbin core elements that are covered in an insulating resin. The inductor coil is formed on top of one of the bobbin cores. The second core is then added that includes a magnetic shield comprised of a series of soft iron plates. This shielding helps to reduce interference with neighboring circuits and other components. The inductor components are then soldered together and the device is completed with a protective covering.

The S0603-56NF2E’s performance is based on the amount of magnetic flux stored during operation. The magnitude of this flux is determined by the inductor element itself which is why it is crucial to have the correct inductance value. Greater inductance will tend to increase power losses, while lower inductance values can lead to dropouts and other performance issues.

The S0603-56NF2E is an ideal solution for a broad array of applications including switch mode power supplies, AC-DC converters, automotive electronics, telecommunications, and personal electronics. It is also certified for safety and quality standards established by the IEC/EN/UL 62368-1 safety and specialized usage specifications.

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