ATFC-0402-4N7B-T Inductors, Coils, Chokes

DC Resistance (DCR):	650 mOhm Max
Height - Seated (Max):	0.015" (0.37mm)
Size / Dimension:	0.039" L x 0.020" W (1.00mm x 0.50mm)
Supplier Device Package:	0402 (1005 Metric)
Package / Case:	0402 (1005 Metric)
Mounting Type:	Surface Mount
Inductance Frequency - Test:	500kHz
Operating Temperature:	-45°C ~ 85°C
Ratings:	--
Frequency - Self Resonant:	6GHz
Q @ Freq:	13 @ 500MHz
Series:	ATFC-0402
Shielding:	Unshielded
Current - Saturation:	--
Current Rating:	320mA
Tolerance:	±0.1nH
Inductance:	4.7nH
Material - Core:	Ceramic
Type:	Thin Film
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Fixed inductors are electrical components that store energy in the form of a magnetic field. They are frequently used to provide local power supply for a variety of electronic circuits. The ATFC-0402-4N7B-T is a fixed inductor used for a variety of applications.The ATFC-0402-4N7B-T is a surface mount, high frequency chip inductor designed for use in various electronic circuits. It has a low DC resistance that makes it suitable for a wide range of applications. It also has a high Q (Quality Factor) which increases the efficiency of the inductor. Its small size makes it ideal for applications that require a smaller form factor such as mobile devices and laptops.The ATFC-0402-4N7B-T has a self-resonant frequency of up to 4.7GHz and a working frequency from 1.8GHz to 5GHz. It is also designed with a patented Litz wire technology which helps to reduce losses due to skin effect. The inductor features high current carrying capacity up to 5A peak and an operating temperature range of -55 to +85°C.The ATFC-0402-4N7B-T can be used in a variety of applications such as RF filters, RF front-end modules, DC/DC converters, and impedance matching circuitry. In RF filters, it reduces noise that can interfere with applications such as Wi-Fi, Bluetooth, and other wireless communications. It also helps to reduce unwanted frequencies by increasing the inductance of the circuit. In DC/DC converters, it helps to increase the voltage or the current of the circuit. Additionally, it is also used in impedance matching circuitry to adjust the impedance and maximize the power delivery of the circuit.In terms of the working principle, fixed inductors use magnetic fields to store energy. When a voltage is applied to the inductor, a magnetic field is created around the component. This magnetic field induces an electrical current in the inductor. When the voltage across the inductor changes, the magnetic field also changes which alters the current in the inductor. This changing magnetic field also induces an electrical current which is stored as energy in the inductor. By varying the voltage across the inductor, the amount of current and energy in the inductor can be adjusted.Overall, the ATFC-0402-4N7B-T is a versatile surface mount inductor that is suitable for various applications. It has a self-resonant frequency of up to 4.7GHz and working frequency from 1.8GHz to 5GHz making it suitable for high frequency applications. Additionally, its patented Litz wire technology reduces losses due to skin effect and its small size makes it ideal for use in mobile devices and laptops. Finally, it is useful in RF filters, DC/DC converters, and impedance matching circuitry.

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