LI0402B301R-00 Filters

Series:	LI
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Filter Type:	Power, Signal Line
Number of Lines:	1
Impedance @ Frequency:	300 Ohms @ 100MHz
Current Rating (Max):	200mA
DC Resistance (DCR) (Max):	800 mOhm
Ratings:	--
Operating Temperature:	-40°C ~ 125°C
Package / Case:	0402 (1005 Metric)
Mounting Type:	Surface Mount
Height (Max):	0.028" (0.70mm)
Size / Dimension:	0.040" L x 0.020" W (1.01mm x 0.50mm)

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Ferrite Beads and Chips are widely used in various electronic devices due to their ability to filter out noise and electronic interference. The LI0402B301R-00, in particular, is a chip constructed from two ferrite beads connected in series. The device provides optimal filtering performance with low power dissipation. It is often used in applications such as radio-frequency (RF) signal conditioning, power switching circuits, and mobile phones. The working principle of the LI0402B301R-00 is based on the property of ferrite material to exhibit a high level of impedance when exposed to high-frequency signals. This means that the device can effectively filter out noise and interference in the frequency range of 0.5 MHz to 3 GHz. The ferrite beads used in the chip also possess certain properties which allow them to block unwanted signals, including both electromagnetic and radio-frequency interference. In order to maximize the performance of the LI0402B301R-00, the number of beads, the type of ferrite material used, and the interconnection method need to be taken into consideration. The number of beads determines the frequency range of the device, while the type of ferrite material determines its temperature range and noise-filtering ability. The interconnection method typically used is the type of connection, which determines the inductance and admittance of the device. The LI0402B301R-00 is suitable for a wide range of applications, including RF signal conditioning, power switching circuits, contactless or inductive charging systems, and mobile phones. It is a low power device that offers excellent performance in terms of EMI and RFI suppression. The device can also be used in smart cars for improving signal integrity and reducing system noise. In summary, the LI0402B301R-00 is a ferrite bead chip with two ferrite beads connected in series. It can effectively filter out noise and interference in the frequency range of 0.5 MHz to 3 GHz and is suitable for various applications including RF signal conditioning, power switching circuits, and mobile phones. The number of beads and type of ferrite material used as well as the interconnection method need to be taken into consideration in order to maximize the performance of the device.

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Part Number	Manufacturer	Price	Quantity	Description