EMI0805R-1500

Series:	EMI0805R
Packaging:	Tape & Reel (TR)
Part Status:	Active
Filter Type:	--
Number of Lines:	1
Impedance @ Frequency:	1.5 kOhms @ 100MHz
Current Rating (Max):	200mA
DC Resistance (DCR) (Max):	400 mOhm
Ratings:	--
Operating Temperature:	-55°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 ChipsFerrite beads and chips are components used to reduce or prevent EMI (electromagnetic interference) from disrupting electronic systems. The EMI0805R-1500 is a type of ferrite bead, specifically made for use in surface mount applications. It is a two-terminal component used to filter and attenuate high-frequency signals between a pair of conductor surfaces. This article will explore the application field and working principle of the EMI0805R-1500.The EMI0805R-1500 is a 15 ohms impedance ferrite bead with a 0.8 mm x 0.5 mm SMD package size. It is designed to allow DC current to pass through but attenuate high-frequency noise signals, thanks to its ferromagnetic core, which acts as an inductor with an impedance that varies depending on the frequency of the incoming signal. This makes the EMI0805R-1500 ideal for use in RF circuits such as Wi-Fi and Bluetooth modules, as well as in consumer electronics, computers, and automotive applications.The EMI0805R-1500 works by inclosing the signal lines in a magnetic core which is in turn enclosed within a ceramic body. The inductive properties of the core causes unwanted high frequency noise to be shunted away from the signal lines to a ground connection where it is dissipated as heat. This ‘impedance matching’ allows the desired DC signals to pass through unaffected.The EMI0805R-1500 also has the advantage of being a ‘centered’ device. This means that the device is symmetrical on both sides of the signal lines, allowing for a uniform attenuation and a better EMI performance. This is a key feature when used in symmetrical systems, such as cell phones, where both noise and signal lines must be filtered to ensure a reliable communication system.The EMI0805R-1500 is designed to be self-shielding due to the ceramic body, which reduces EMI emissions along with the noise filtering properties of the ferrite core. This makes it an ideal choice for applications where high levels of EMI shielding is required. In summary, the EMI0805R-1500 is a low-profile ferrite bead, designed for EMI filtering and shielding in RF and consumer electronics applications. Its ceramic body and ferrite core provides both symmetrical attenuation and EMI shielding, allowing the signal lines to pass through unaffected while unwanted EMI is shunted away. This makes it an ideal choice when fast and reliable communication is needed in critical applications.

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