VLS4012T-220MR57 Inductors, Coils, Chokes

DC Resistance (DCR):	492 mOhm Max
Height - Seated (Max):	0.047" (1.20mm)
Size / Dimension:	0.157" L x 0.157" W (4.00mm x 4.00mm)
Supplier Device Package:	--
Package / Case:	Nonstandard
Mounting Type:	Surface Mount
Inductance Frequency - Test:	1MHz
Operating Temperature:	-40°C ~ 105°C
Ratings:	--
Frequency - Self Resonant:	--
Q @ Freq:	--
Series:	VLS
Shielding:	Shielded
Current - Saturation:	630mA
Current Rating:	570mA
Tolerance:	±20%
Inductance:	22µH
Material - Core:	--
Type:	Wirewound
Part Status:	Not For New Designs
Packaging:	Tape & Reel (TR)

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Introduction to Fixed Inductors
A fixed inductor is an electronic component that stores electrical energy in the form of magnetic flux. It is made of highly conductive materials and generally consists of wire coils or windings. These parts are often found in radio frequency (RF) circuits, as they provide a radio frequency signal with low harmonic distortion. They are also used in digital circuits to provide a low-inductance ground connection and in the power supply section.Application Field of VLS4012T-220MR57
The VLS4012T-220MR57 is a fixed inductor that is designed for high-frequency applications such as cellular radio, Wi-Fi and other high-speed digital systems. It comes with a wide operating temperature range and is rated u[ to 220mOhms, with an inductance of 11uH. It is fully RoHS compliant and meets the standard UL1412 requirements. It is suitable for a wide variety of commercial and industrial applications.Working Principle of VLS4012T-220MR57
When an electric current passes through a wire coil, a magnetic field is generated. This magnetic field is what is referred to as inductance. The amount of inductance depends on the number of turns in the wire coil, the core material and the diameter of the wire.The VLS4012T-220MR57 is designed to provide a high inductance value while consuming relatively low current. This is achieved by using a nanocrystalline core material and a low-windings-per-inch ratio. The combination of these components allow it to achieve a high inductance value with a low series resistance.It also features a low saturation point, meaning that it can pass more current with minimal distortion when used in power supply applications. This ensures that the device can handle high peak current requirements without overheating or damaging itself.Conclusion
The VLS4012T-220MR57 is a fixed inductor that is designed for high-frequency applications such as cellular radio, Wi-Fi and other high-speed digital systems. It comes with a wide operating temperature range and is rated up to 220 mOhms, with an inductance of 11uH. It utilizes a high-permeability nanocrystalline core material and low-windings-per-inch ratio to achieve a high inductance value with low series resistance. It also features a low saturation point, meaning that it can pass more current with minimal distortion when used in power supply applications.

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