LI0805G201R-10 Filters

Series:	LI
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Filter Type:	Power, Signal Line
Number of Lines:	1
Impedance @ Frequency:	200 Ohms @ 100MHz
Current Rating (Max):	700mA
DC Resistance (DCR) (Max):	300 mOhm
Ratings:	--
Operating Temperature:	-40°C ~ 125°C
Package / Case:	0805 (2012 Metric)
Mounting Type:	Surface Mount
Height (Max):	0.043" (1.10mm)
Size / Dimension:	0.079" L x 0.049" W (2.00mm x 1.25mm)

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Ferrite Beads and Chips

Ferrite beads and chips are used in electronics for their excellent electromagnetic compatibility. These components are also used to suppress electromagnetic interference (EMI), reduce noise from wires, and provide good performance in high frequency environments. One of the most common types of ferrite beads and chips is the LI0805G201R-10.The LI0805G201R-10 is a small, surface-mountable ferrite chip. It is typically used for EMI suppression and is characterized by an impedance of 0.8 ohms and a resonance frequency of 10 MHz. The chip is used to reduce noise and interference in high frequency circuits, such as those found in modern electronics, where signals of up to 10 MHz must be handled.The chip is composed of several layers consisting of ceramic and copper. At its core is the ceramic layer, which is made of barium titanate and other materials and is resistant to high temperatures. The ceramic layer provides a barrier against EMI, reducing the maximum tolerable radiation from the PCB. This layer also includes a pattern of tiny copper elements that act as conductive lines, carrying the necessary signal or power. As the signal passes through the copper elements, the ferrite core absorbs any generated EMI.The copper elements also help to define the chip\'s impedance, which is measured in ohms. This value is determined by the specific properties of the ceramic core, as well as the trace patterns and sizes of the copper connections. To calculate the impedance, the chip\'s actual resistance must be factored with the frequency and inductance of the signal current. Depending on the exact characteristics of the chip, the impedance value can range from 0.2 to 2.2 ohms.As with other components, the LI0805G201R-10 must be properly mounted on the PCB. It is usually mounted using a surface-mounting technique and requires that the chip\'s copper elements are soldered to the PCB. This ensures the chip is well-attached and can function properly. As a result, the PCB layout must include an additional part of the board, to provide the necessary space for the chip and its mounts.While the LI0805G201R-10 is just one type of ferrite chip, it serves as a great example of how many of these components are used in modern electronics. Ferrite beads and chips provide excellent performance in high-frequency environments, ensuring that signals are not lost or distorted and that EMI is minimized. This is why they are essential components of any electronics design.

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