LI0402C470R-10

Series:	LI
Packaging:	Tape & Reel (TR)
Part Status:	Active
Filter Type:	Power, Signal Line
Number of Lines:	1
Impedance @ Frequency:	47 Ohms @ 100MHz
Current Rating (Max):	300mA
DC Resistance (DCR) (Max):	150 mOhm
Ratings:	--
Operating Temperature:	-40°C ~ 125°C
Package / Case:	0402 (1005 Metric)
Mounting Type:	Surface Mount
Height (Max):	0.026" (0.65mm)
Size / Dimension:	0.039" L x 0.020" W (1.00mm x 0.50mm)

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Ferrite Beads and Chips: LI0402C470R-10 Application Field and Working PrincipleFerrite beads and chips are components used to protect circuits from being damaged by EMI or conducted interference. They are widely used in different industries, from automobiles, consumer electronics to medical equipment and industrial applications. Among them, the LI0402C470R-10 is a very popular ferrite bead that is widely used in various settings.The LI0402C470R-10 is a tiny ferrite bead that has a length of 0.04 inches and a width of 0.02 inches. It can be easily integrated into a circuit board due to its small size. It has an impedance of 470 Ohms and can be used to protect circuits from EMI caused by external sources like cell phones, computers, and other electrical devices. The bead\'s resistance is also high, allowing it to handle strong interference effectively. It is also designed with a high thermal resistance, making it very durable and able to withstand high temperatures.The LI0402C470R-10 can be used in many different applications. It is commonly used in consumer electronics as a part of the EMI filtering system, to reduce interference on a circuit board. It is also frequently used in automotive electronics, medical supplies, and industrial control systems, and it can be used for power line filtering, signal filtering, and noise reduction.The working principle of the LI0402C470R-10 can be explained using the four-layer structure of the ferrite bead. It is a type of impedance matching component composed of four layers, namely: the dielectric layer, the metal layer, the ferrite layer, and the heat dissipation layer. These four layers are stacked together and create an impedance in the system which is determined by the ferrite beads\' design. When an external interfering signal, which usually has a higher frequency, passes through the metal layer of the ferrite bead, it is absorbed by the ferrite layer. This absorbed signal is then converted by the ferrite layer into a magnetic field, resulting in an impedance increase that blocks the signal from further passing. The heat dissipation layer serves to dissipate the energy generated by the interfering signal. It distributes the energy over a large area, which eliminates any damage to the circuit that it is connected to.The LI0402C470R-10 is a very versatile ferrite bead, and is widely used in various fields. Its small size, high impedance, and high thermal resistance make it a perfect fit for many applications. It can be used to effectively prevent interference from external sources, and is an essential component of the EMI filtering system of electronic devices.

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