MX15KP28A

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TVS, which stands for Transient Voltage Suppressor, often functions as a surge protector against electrical transients which tend to occur in the form of ESD (electroStatic Discharge), surges, and other high-voltage electrical events. Especially when it comes to data communication, voltage fluctuations can damage integrated circuits as well as connected circuitry. To protect them from such voltage fluctuations, TVS diode is the protector used in applications ranging from power supplies, computers, and data lines, to telecommunication devices.

MX15KP28A is one of these type of MV Protective Devices, available from Amphenol. It is designed for application to high voltage circuitries such as transceiver, modem, PABX, radio, mobile phone, and televisions, as well as other equivalent systems. This diode can be used in high quality audio-visual applications and is especially suitable for systems using multiple balanced line protection.

MX15KP28A has a unidirectional working principle. This protector works just like the zener diode by providing a low impedance path from the line to the side of the protector. The diode has a positive temperature coefficient, and is connected in series with the power line. During operation, when a transient voltage spike is detected, the diode would clamp the voltage to keep it under its breakdown voltage. To keep the device from damage due to repetitive pulses, this diode has an internal guard ring that slows down the clamping rate of the diode to ensure faster recovery time.

The MX15KP28A is designed for 15KV protection and has a very low breakdown voltage of 1KV. This diode is also designed to have a very low leakage current, typically about 10mA or less. In addition, its clamping voltage is very consistent, making it ideal for use in high quality audio-visual applications.

When it comes to placing the MX15KP28A, it should be placed as close to the protected circuitry as possible. The farther the capacitor is placed from the protected circuitry, the more prone the device is to experiencing transients due to local AC lines and other sources of interference. It is also important to consider the mounting of the diode. Since the diode is based on the surface-mount technique, it should be designed to fit the circuit board and mounted directly to the board. The diode should also be connected in such a way that it will effectively clamp on the voltage when a transient voltage surge is detected.

By using this diode, electrical transients can be curbed and the protected components can be preserved. MX15KP28A is an ideal solution for protecting circuits against excessive voltage and can help prevent long-term damage to electronic circuitry.

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