MPLAD15KP85A

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A Transient Voltage Suppressor Diode, or TVS, is a specialized diode designed to absorb excess electrical energy known as an overvolting. The mechanism is simple. The TVS is placed in series with the voltage source, and the source voltage is applied to the device. In the event of an overvoltage, the device begins to conduct reverse current (the reverse of its normal direction) and absorbs some of the extra electrical energy. This prevents the overvoltage from reaching potentially damaging levels and prevents hardware faults. The MPLAD15KP85A from STMicroelectronics is a 5 volt array in a single bi-directional 500W diode in a small surface mount package.

The MPLAD15KP85A is a multi-discrete device suitable for protecting data lines up to CAT 5 Ethernet and Ex-iBUS bus communications. Due to the low operating voltage of 5V, the MPLAD15KP85A is particularly well-suited for telecommunication systems such as microwaves, broadcasting systems, and fiber optic systems.

The MPLAD15KP85A features an advanced design anode that provides excellent clamping over the entire operating range. It offers both excellent low capacitance functionality and low leakage current characteristics, thus allowing for noise filtering while maintaining real-world performance. Additionally, the device is rated for frequency-dependent compensation ranges, resulting in improved response times for overvoltage conditions in high-speed data transfers. This makes it especially suitable for applications where the protection devices must maintain high speed and noise suppression.

The MPLAD15KP85A utilizes an optimized triggering voltage that is adjustable between 5.2V and 6V when operating at the maximum rated power level. This means that the device is specifically designed to protect data-line integrity and prevent excessive voltage from passing through. Additionally, the device features an optimized low capacitance structure, which minimizes the capacitive loads on sensitive circuits and maintains a consistent level of protection.

The MPLAD15KP85A\'s integrated circuit configuration works differently from conventional back-to-back Zener diodes. One diode is configured with a higher breakdown voltage and resistance, while the other has a lower breakdown voltage and resistance. When the input power exceeds the breakdown voltage of the lower diode, current passes through the higher diode and the unit’s protection is activated. This prevents the overvoltage from reaching potentially damaging levels and prevents hardware faults.

In conclusion, the MPLAD15KP85A from STMicroelectronics is an excellent Transient Voltage Suppressor Diode designed to protect data-lines up to CAT 5 Ethernet and Ex-iBUS bus communications. The device is specifically designed to protect data-line integrity, and has advanced anode design, low capacitance, and frequency-dependent performance characteristics. The integrated circuit configuration can activate protection quickly and reliably, and its adjustable triggering voltage means that it can be tuned to meet the specific needs of your application. This makes the MPLAD15KP85A the perfect choice for a range of telecom and data-transfer applications.

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