BLM21AG471SN1D

Series:	EMIFIL®, BLM21
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Filter Type:	--
Number of Lines:	1
Impedance @ Frequency:	470 Ohms @ 100MHz
Current Rating (Max):	700mA
DC Resistance (DCR) (Max):	190 mOhm
Ratings:	--
Operating Temperature:	-55°C ~ 125°C
Package / Case:	0805 (2012 Metric)
Mounting Type:	Surface Mount
Height (Max):	0.041" (1.05mm)
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 commonly used in electrical applications, allow for the proper routing of signals and reduce electromagnetic interference (EMI). Specifically, the BLM21AG471SN1D chip is a ferrite bead designed to provide filtering of unwanted high frequency noise across a wide range of frequencies. Its application field and working principle are covered in this article. A ferrite bead is a passive electrical component that is used to suppress the high frequency noise created by electronic circuits. As Electronic equipment becomes more complex and powerful, the risk of interference in the signal lines is greater. Ferrite beads are used in signal conditioning systems to reduce radio-frequency interference (RFI) and electromagnetic interference (EMI) from the outside environment.The BLM21AG471SN1D chip is a type of ferrite bead designed to provide a wide range of filtering solutions for high frequency noise. This chip is particularly suited for applications where a wide frequency response below 1GHz is needed, such as use in analog and digital circuit components. The BLM21AG471SN1D chip is designed with a small form factor size and low profile, making it suitable for surface mount applications and other space-constrained applications. Additionally, the chip is suitable for use in relatively high temperature environment, allowing it to achieve better reliability and signal integrity.The working principle of the BLM21AG471SN1D chip is based on the principle of induction. Through the use of a magnetic core inside the chip, the chip is able to dissipate high frequency noise and other unwanted high frequency signals. The magnetic flux created by the device interacts with the electric current, resulting in a phenomenon known as skin effect. This skin effect is utilized in order to create an impedance that can help reduce noise and ensure signal purity.The BLM21AG471SN1D chip is designed to provide an economical solution for reducing unwanted high frequency noise, without sacrificing device or signal integrity. The chip is highly cost effective and also offers excellent performance in terms of signal isolation and noise suppression. Additionally, the device is suitable for a wide variety of applications, including data communications, broadcasting, cable TV, and automotive electronics. With its small form factor, the chip is ideal for applications that require high performance in a small package. Overall, the BLM21AG471SN1D chip is an ideal solution for applications that require filtering of unwanted high frequency noise and signal integrity. Its small form factor and low profile make it suitable for surface mount applications while its high temperature resistance allows it to operate reliably in environments with high temperature conditions. Additionally, its effective working principle allows it to effectively dissipate and filter out unwanted high frequency noise, providing maximum signal integrity for a wide range of applications.

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