MH3261-500Y Filters

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The MH3261-500Y is a ferrite bead and chip, an inductor device used for electromagnetic interference (EMI) filtering applications. The device is designed to provide impedance matching and filtering of high frequency signals in order to reduce EMI interference.

The MH3261-500Y is an axial leaded ferrite component comprising of a molded insulating sleeve with a ferrite bead and feed-through capacitors. The ferrite bead and feed-through capacitors are electrically connected to the ends of a conductive middle section. The ferrite bead and capacitors act as low pass filters, allowing low frequency signals to pass without interference but blocking higher frequency signals that would otherwise create electromagnetic radiation.

The MH3261-500Y has a rated frequency range of 100MHz to 500 MHz. It also has a rated current of 2 amperes and a maximum voltage of 100 volts. Its EMI protection effectiveness is typically rated from -20 dB at 200 MHz to -40 dB at 600 MHz depending on the design of the application. The MH3261-500Y is able to reduce EMI emissions from sources such as radio transmitters, computers, consumer electronics, and electrical motors.

The working principle of the MH3261-500Y involves the use of a high-frequency current passing through the ferrite chip. The high frequency current induces an electromagnetic field, which interacts with the capacitors and the ferrite bead placed on either side of the inductive element. This interaction results in the attenuation of high frequency signals, allowing low-frequency signals to pass. The device’s feed-through capacitors further reduce noise by providing high-frequency shunting to the circuit’s ground.

Due to its small size, the MH3261-500Y can be used in a wide variety of applications, such as computer motherboard and audio systems, in-vehicle and other portable systems, power supplies, and robotic systems. The device can also be used for the protection of digital and analog lines in communications systems, helping to ensure the integrity of data transmission. Additionally, the MH3261-500Y can be used as an EMI supression device for equipment, such as antennas, RF switches, DC power sources, and other electronic components. The device is also ideal for applications where the filtering of high-frequency signals is needed without taking up too much space.

When using the MH3261-500Y, it is important to pay attention to the device’s rated current and voltage, as well as its frequency range. These parameters dictate the device’s ability to provide EMI filtering and impedance matching. The device can be mounted either through the use of pins or solderable terminals, depending on the design of the application.

The MH3261-500Y is an effective and reliable EMI filtering and impedance matching device. Its small size and wide frequency range make it suitable for a variety of applications. Its feed-through capacitors provide excellent low-frequency noise reduction, while its ferrite chip and capacitors provide effective high-frequency signal filtering. With its robust construction and reliable performance, the MH3261-500Y is an ideal device for EMI suppression.

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