MH2029-121Y Filters

Series:	MH
Packaging:	Tape & Reel (TR)
Part Status:	Active
Filter Type:	Power, Signal Line
Number of Lines:	1
Impedance @ Frequency:	120 Ohms @ 100MHz
Current Rating (Max):	2A
DC Resistance (DCR) (Max):	100 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 0.047" W (2.00mm x 1.20mm)

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Ferrite Beads and Chips: MH2029-121Y Application Field and Working Principle

Ferrite beads and chips are a type of electrical component used to reduce the interference occurring on the electrical systems caused by electromagnetic and radio frequency. The MH2029-121Y is a widely used bead that can be used for both high frequency and radio frequency switching applications.

Applications

The MH2029-121Y is a type of common mode choke or ferrite bead-type EMI filter. It is generally used in digital, analog, power, and communication systems to reduce differential mode and common mode noise and interference. It is particularly suitable for the automotive, telecommunication and telemetry industries. It is also used in electrophotographic machines, reed relays, power supply circuits, high-speed LANs, digital handsets, radio equipment, computer and audio equipment, medical instruments, and a variety of other electronic devices. It is ideal for applications such as anti-interference, filtering, suppression, and impedance matching.

Working Principle

The MH2029-121Y consists of a ferrite core with two windings around it. The two windings are used to create an inductor, which acts as an antenna to absorb and divert any electromagnetic interference. When different frequencies are applied to the windings, the ferrite core will absorb the energy and dissipate it. As a result, the noise is reduced and the signal is kept clean.The inductance of the MH2029-121Y beads can be adjusted by changing the number of windings. The higher the number of windings, the higher the inductance. This makes them effective for a wide range of applications. The maximum operating temperature of the MH2029-121Y is 125°C, so it is suitable for use in high-temperature environments.

Conclusion

The MH2029-121Y is an effective type of EMI filter designed to reduce interference in radio frequency and high frequency switching applications. It consists of a ferrite core with two windings, and the inductance can be adjusted by changing the number of windings. It is widely used in industries such as automotive, telecommunication and telemetry, and is suitable for use in high-temperature environments.

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