MH3261-101Y

Series:	MH
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Filter Type:	Power, Signal Line
Number of Lines:	1
Impedance @ Frequency:	100 Ohms @ 100MHz
Current Rating (Max):	4A
DC Resistance (DCR) (Max):	30 mOhm
Ratings:	--
Operating Temperature:	-55°C ~ 125°C
Package / Case:	1206 (3216 Metric)
Mounting Type:	Surface Mount
Height (Max):	0.051" (1.30mm)
Size / Dimension:	0.126" L x 0.063" W (3.20mm x 1.60mm)

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Ferrite Beads and Chips: MH3261-101Y Application Field and Working Principle

Ferrite beads and chips are small electronic components used to reduce electromagnetic interference (EMI). The MH3261-101Y is a specific type of ferrite chip, which has a wide range of applications, especially where precise electrical isolation is required. This article explores the application field, and working principles of the MH3261-101Y.

Applications of the MH3261-101Y

The MH3261-101Y is used for two major applications: as a switching diode and as a magnetic field sensor.

Switching Diode

The MH3261-101Y can be used as a switching diode to switch high-frequency signals in telecommunications systems. It can be used in a variety of circuit configurations for switching low-level signals, including in high-speed data transfer applications such as those found in Ethernet and WiFi.

Magnetic Field Sensor

The MH3261-101Y can also be used as a magnetic field sensor. It is used in magnetic sensors such as Hall effect sensors, which detect the presence of magnetic fields. This provides an electrical signal that can be used to measure the strength of the magnetic field and can be used to detect changes in the environment.

Working Principle of the MH3261-101Y

The operation of the MH3261-101Y is based on a phenomenon known as the Bernstein effect. This effect is responsible for the switching behavior of the device, where the device switches from a high-resistance state to a low-resistance state when a magnetic field is applied. At the heart of the MH3261-101Y is a magnetic tunnel junction (MTJ), which is essentially two ferromagnetic layers separated by a thin insulating layer. When a magnetic field is applied, the spins of the electrons in one of the ferromagnetic layers will align. This alignment alters the resistance of the tunnel junction, resulting in the device switching to a low-resistance state. This is known as the “Bernstein effect”. When the magnetic field is removed, the device will return to its high-resistance state. This makes the MH3261-101Y well-suited for applications that require a switch to turn on and off when a magnetic field is present or absent.

Conclusion

The MH3261-101Y is a type of ferrite chip which has two main application fields: as a switching diode and as a magnetic field sensor. Its operation is based on the Bernstein effect, where the device switches from a high-resistance to a low-resistance state when a magnetic field is applied. This makes it suitable for use in a variety of circuits for switching low-level signals and magnetic sensing applications.

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