7427931

Series:	WE-PBF
Packaging:	Tape & Reel (TR)
Part Status:	Active
Filter Type:	--
Number of Lines:	1
Impedance @ Frequency:	91 Ohms @ 100MHz
Current Rating (Max):	6A
DC Resistance (DCR) (Max):	0.9 mOhm
Ratings:	--
Operating Temperature:	-55°C ~ 125°C
Package / Case:	2-SMD, J-Lead
Mounting Type:	Surface Mount
Height (Max):	0.106" (2.70mm)
Size / Dimension:	0.335" L x 0.118" W (8.50mm x 3.00mm)

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Ferrite Beads and Chips

Ferrite beads and chips are devices used to filter out high-frequency signals such as electromagnetic interference (EMI). They are used in a variety of applications including radio frequency (RF), Bluetooth, WiFi, automotive, and consumer electronics.

7427931 Application Field

Ferrite beads and chips are widely used in electronic systems to reduce electromagnetic interference (EMI) and radio frequency interference (RFI). They are particularly used in analog and digital designs, computer, automotive, consumer electronics and communication systems.Computer: Ferrite beads and chips are used in computers to suppress EMI from the internal components or to reduce the amount of noise emitted by the system. This is especially important for low-power systems such as laptop computers or tablets that are susceptible to interference.Automotive: Automotive applications use ferrite beads and chips to protect the wiring and components from EMI and RFI caused by other engines and nearby vehicles. This is especially critical in engine control systems, safety systems, and any other sensitive electronic circuits.Consumer Electronics: In consumer electronics, ferrite beads are often used to reduce noise in audio and video signals. They can also be used to suppress interference from wireless signals such as Bluetooth and WiFi.Communication Systems: Ferrite beads and chips are often used in communication systems to reduce EMI interference from external signals, such as radio or TV. This is especially important in wireless data communication systems, such as cellular phones or radio receivers.

Working Principle

Ferrite beads and chips work by attenuating high frequency signals due to their eddy current effects. This means that the signals are absorbed and dissipated as heat. The ferrite beads and chips act as a low-pass filter, allowing only the low frequency signals to pass through.The ferrite beads and chips are made of magnetic materials such as iron, nickel, cobalt, and zinc oxide. These materials are magnetized and arranged into a bead or chip form and then encased in a plastic or ceramic material. The bead or chip typically has a cylindrical or rectangular shape and consists of a core surrounded by a coil of wire. The wire creates a magnetic field around the core, which reduces the electrical field from the high frequency signal.In addition, ferrite beads and chips can be used to suppress both common-mode and differential-mode interference. Common-mode interference is when signals are transmitted along the same wire or line while differential-mode interference is transmitted between two lines.

Conclusion

Ferrite beads and chips are important components used in electronics to reduce EMI and RFI. They are used in a variety of applications including computers, automotive, consumer electronics and communication systems. The beads and chips work by absorbing and dissipating high-frequency signals as heat. They are made up of magnetic materials and have a core surrounded by a coil of wire, which creates a magnetic field that reduces electrical field from the signal. They are also used to suppress both common-mode and differential-mode interference.

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