LI1812D121R-00 Filters

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Part Status:	Obsolete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):	400mA
DC Resistance (DCR) (Max):	400 mOhm
Ratings:	--
Operating Temperature:	-40°C ~ 125°C
Package / Case:	1812 (4532 Metric)
Mounting Type:	Surface Mount
Height (Max):	0.065" (1.65mm)
Size / Dimension:	0.177" L x 0.126" W (4.50mm x 3.20mm)

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Ferrite Beads and Chips

Ferrite beads and chips are two types of electrical components which are used in a variety of applications. They are used to protect circuits and electronic components from the effects of noise, including electromagnetic interference (EMI).The most common type of ferrite bead is the LI1812D121R-00. This component is used for a wide range of applications, including aerospace, automotive, medical, consumer, and industrial. It is also found in a variety of other products such as media players, computing, and gaming devices.The LI1812D121R-00 consists of a core with two uncovered terminals. The core is made from a ferrite ceramic material which allows the bead to act as a low-pass filter. The two terminals connected to the core provide an electrical connection to the device or circuit which is being protected.The LI1812D121R-00 works by providing a barrier which restricts the flow of electromagnetic radiation into or out of a system. This reduces the amount of interference which can occur, and can also reduce the amount of power which is lost due to electrical noise.The bead’s physical characteristics also play a part in its electromagnetic shielding properties. The properties of the bead determine the efficiency of the interference, allowing engineers to choose the correct ferrite bead for their application.In summary, the LI1812D121R-00 is a popular ferrite bead which can be used for a variety of applications. It works by blocking electromagnetic radiation, and its physical characteristics allow engineers to choose the correct bead for their applications. This ensures that the device or circuit being protected is properly shielded from interference and power loss.

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Part Number	Manufacturer	Price	Quantity	Description