Series:	LI
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Filter Type:	Power, Signal Line
Number of Lines:	1
Impedance @ Frequency:	120 Ohms @ 100MHz
Current Rating (Max):	700mA
DC Resistance (DCR) (Max):	200 mOhm
Ratings:	--
Operating Temperature:	-40°C ~ 125°C
Package / Case:	0603 (1608 Metric)
Mounting Type:	Surface Mount
Height (Max):	0.037" (0.95mm)
Size / Dimension:	0.063" L x 0.032" W (1.60mm x 0.80mm)

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Ferrite Beads and Chips

Ferrite beads and chips are components used to mitigate electrical noise for purposes of EMI filtering. Their main function is to reduce the electromagnetic interference from electrical signals, and are used in various types of electrical engineering. One of the most frequently used ferrite bead components is the LI0603G121R-00.

LI0603G121R-00 Application Field

This type of ferrite chip is a 0603 size chip bead which makes it suitable for use in portable electronics and equipment with limited space, such as cellphones, laptops, digital cameras and TVs. In terms of frequency range, the LI0603G121R-00 ferrite chip features excellent high frequency EMI suppression characteristics. It is rated to operate in a frequency range of 100MHz – 2GHz and is particularly useful in wide band applications.

Work Principle

The working principle of a ferrite chip bead like the LI0603G121R-00 is based on the magnetic property of ferrite material. Ferrite material is a ceramic material primarily composed of iron oxide. The magnetic nature of the material causes it to behave as an inductor at frequencies above DC and produce reactive impedance which helps to provide EMI suppression. When the electricity is subjected to the ferrite material, the material\'s magnetic nature causes it to act as a kind of shield for the electricity. This makes it harder for the electric current to escape from the main circuit, thus reducing the overall noise level. The element also works in reverse in order to absorb any stray electric signals, thus preventing interference with other components.

Installation

In terms of installation, the LI0603G121R-00 ferrite chip bead should be mounted close to the source or sink of the electric current. This ensures that the chip bead can effectively shield any interference and protects the other components from damage. It is also important to ensure that the connections on either side of the chip bead are secure and there is no risk of a short circuit forming.

Advantages

The LI0603G121R-00 ferrite chip is an ideal choice for a number of portable electronic devices as it takes up a minimal amount of space and can easily fit in most electronic component packages. The chip is also renowned for its low leakage and low cost, making it an inexpensive solution for EMI suppression. The ferrite chip also produces excellent EMI protection when compared to other ferrite components.

Conclusion

In conclusion, the LI0603G121R-00 ferrite chip is a highly reliable EMI suppression component. Its size and throughput make it ideal for use in portable applications while its magnetic properties allow it to effectively reduce the electromagnetic interference that could potentially damage other components. When installed correctly, the ferrite chip can help improve the life of electronic devices by preventing the buildup of electric current.

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Part Number	Manufacturer	Price	Quantity	Description