S0402-8N2H3S

DC Resistance (DCR):	130 mOhm 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:	4.4GHz
Q @ Freq:	20 @ 250MHz
Series:	S0402
Shielding:	Unshielded
Current - Saturation:	--
Current Rating:	600mA
Tolerance:	±3%
Inductance:	8.2nH
Material - Core:	Alumina
Type:	Wirewound
Part Status:	Active
Packaging:	Bulk

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Fixed Inductors

Inductors, also known as coils, are electronic components that store energy in a magnetic field when electricity passes through them. When connected to a power supply, an electrical current will generate a magnetic field. When the power source is removed, the magnetic field will collapse and energy can be released back into the electrical circuit. Fixed inductors are components whose inductance value is fixed and cannot be changed. One type of fixed inductor is the S0402-8N2H3S, which is a surface-mountable, chip-style, low-cost, three-terminal inductor. It is designed to meet the needs of high-speed, high-density, board assembly environments.

S0402-8N2H3S Application Fields

The S0402-8N2H3S inductor is used in a variety of applications, including:

• High frequency switching power supplies
• DC-to-DC converters
• Regulators
• Filter networks
• Coupling circuits
• TV and VCR systems
• Computer peripherals
• Mobile communications

S0402-8N2H3S Working Principle

The S0402-8N2H3S inductor works on the principle of Faraday\'s Law of Induction. This states that a changing magnetic field will induce a voltage across a conductor, and a changing current will induce a magnetic field. When electricity passes through an inductor, a magnetic field is generated. This field then induces an emf (electrical force) in the inductor, creating a counter-electromotive force (CEMF) and opposing the current flow. This creates an inductive effect that limits the current flow. Generally, the more the inductor is wound, the greater the inductance value. In the case of the S0402-8N2H3S, the inductance value is fixed, meaning the current flow cannot be changed without altering the component. This makes these inductors ideal for applications requiring a stable current flow such as filter networks or coupling circuits. The S0402-8N2H3S is also capable of withstanding higher current flows than other chip-style inductors and has a low profile, allowing it to fit in tight, space-constrained boards. Its three terminals are connected to a coil in a single package, eliminating loose turns commonly found on other chip-style inductors. This makes it easier to install and more reliable in operation.

Conclusion

The S0402-8N2H3S is a low-cost, chip-styled fixed inductor designed to meet the needs of high-speed, high-density board assembly environments. Its low profile, three-terminal construction, and ability to withstand higher current flows make it ideal for applications such as high frequency switching power supplies, DC-to-DC converters, and regulator circuits. The S0402-8N2H3S works on the principle of Faraday\'s Law of Induction, creating an inductive effect that limits current flow while delivering a stable current.

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