BK1005LL680-TV Filters

Series:	BK
Packaging:	Tape & Reel (TR)
Part Status:	Active
Filter Type:	--
Number of Lines:	1
Impedance @ Frequency:	68 Ohms @ 100MHz
Current Rating (Max):	400mA
DC Resistance (DCR) (Max):	310 mOhm
Ratings:	AEC-Q200
Operating Temperature:	-55°C ~ 125°C
Package / Case:	0402 (1005 Metric)
Mounting Type:	Surface Mount
Height (Max):	0.022" (0.55mm)
Size / Dimension:	0.039" L x 0.020" W (1.00mm x 0.50mm)

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Ferrite Beads and Chips

Ferrite beads and chips are electronic components that are used in various industries. They are made up of ceramic compounds, typically containing ferric oxide, and used mainly to reduce electromagnetic (EM) and radio frequency (RF) interference. The BK1005LL680-TV ferrite beads are particularly useful in high frequency applications, and they are especially useful in TV antenna systems.

Application Field

Ferrite beads can be used to filter out unnecessary signals from a given frequency range. This is their primary use in TV antenna systems, where they reduce undesirable signals from being picked up. They are also used to reduce interference from outside sources, including power lines and other electronic sources. In addition, they are often used in circuit boards and power supplies to suppress unwanted voltage spikes and other disturbances. The BK1005LL680-TV ferrite bead is designed for high frequency applications, up to 860 MHz. It has a low insertion loss and low return loss, making it ideal for TV antenna systems. It also has low insertion and return losses to other higher-frequency signals, such as GPS or cellular frequencies. The bead itself is small and lightweight, making it easy to incorporate into existing antenna systems without any major modifications.

Working Principle

Ferrite beads work by using a combination of inductance and capacitance to reduce the levels of electromagnetic and radio frequency interference. The inductance of the bead creates a magnetic field around it, which attracts the interfering signals. Meanwhile, the capacitance of the bead dissipates the signals, reducing them to a level that can be safely ignored. The BK1005LL680-TV bead has a higher inductance and a lower capacitance than other models, making it more suitable to frequency range of 860 MHz. This makes it ideal for TV antenna systems, where it will effectively reduce unwanted signals while allowing the desired signals to be picked up.

Conclusion

Ferrite beads and chips are useful components in various industries, especially in TV antenna systems. The BK1005LL680-TV bead is designed for high frequency applications, up to 860 MHz. It has a low insertion loss and low return loss, making it ideal for TV antenna systems. It works by using a combination of inductance and capacitance to reduce the levels of unwanted interference, while still allowing desired signals to be picked up.

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