CIH02T1N6CNC

Q @ Freq:	2 @ 100MHz
Height - Seated (Max):	0.009" (0.22mm)
Size / Dimension:	0.016" L x 0.008" W (0.40mm x 0.20mm)
Supplier Device Package:	01005 (0402 Metric)
Package / Case:	01005 (0402 Metric)
Mounting Type:	Surface Mount
Features:	--
Inductance Frequency - Test:	100MHz
Operating Temperature:	-55°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	10GHz
Series:	CIH02T
DC Resistance (DCR):	600 mOhm Max
Shielding:	Unshielded
Current - Saturation:	--
Current Rating:	220mA
Tolerance:	±0.2nH
Inductance:	1.6nH
Material - Core:	--
Type:	Multilayer
Part Status:	Active

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CIH02T1N6CNC Fixed Inductors – Application Field and Working Principle

Fixed inductors, also known as coils, choke coils, or simply chokes, are the passive electronic components used to generate and store energy in an electric circuit. They are primarily used to limit the current flowing in a given circuit, and are some of the most commonly used components in electronics engineering. The CIH02T1N6CNC is one particular type of fixed inductor, and this article will look at its application field and underlying working principle.

Application Field

Fixed inductors, including the CIH02T1N6CNC type, are used in a wide variety of electronic applications, and can be found in both consumer and industrial products. Such products range from loudspeakers and electric motors, through DC-DC converters, mobile phone chargers, and digital electronics, to medical machines and measuring instruments. In particular, the CIH02T1N6CNC type of fixed inductor is generally used in high-efficiency switching regulators. Examples of such applications include DC-DC step-down converters, for mobile phone charging, and DC-DC step-up converters, for LED lighting. The CIH02T1N6CNC is also used in voltage stabilisation circuits and in voltage-sensing circuits, as well as in buck-boost converters and synchronous rectifying circuits.

Working Principle

A fixed inductor works on the principle of electromagnetic induction. It consists of a wire loop in the form of a coil, usually of copper wire, wrapped around a magnetic core of ferrite or powdered iron. When current is applied, it creates a magnetic field around the coil that induces a voltage across the coil’s ends. This voltage is known as the back-emf and it’s generated due to the changing flux as a result of the changing current, according to Faraday’s law.In a DC circuit, the current is constant and there is no back-emf produced, however, in an AC circuit, the back-emf acts against any change in current and hence limits the amount of current in the circuit. The CIH02T1N6CNC type of fixed inductor, for example, has an inductance of 2.2uH, which is equivalent to a resistance of 8 ohms at 1KHz. This makes it ideal for applications such as high-efficiency switching regulators, where a constant current is required.

Conclusion

The CIH02T1N6CNC type of fixed inductor is one of the most commonly used in electronic engineering and is widely used in a variety of applications, from DC-DC switching converters to LED lighting and medical machines. Its underlying working principle is based on electromagnetic induction, wherein a changing current induces a voltage across the coil due to the changing flux, which in turn limits the amount of current in the circuit.

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