MAPLAD18KP11A

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Transient Voltage Suppressor (TVS) diodes protect electronic boards against voltage spikes and their related damaging effects. The MAPLAD18KP11A is a component specifically engineered to help protect against these transients. This article will explore its application field and working principle.

The MAPLAD18KP11A is a state-of-the-art, high-performance TVS diode specifically designed for use in 12Vdc systems. It is well suited for consumer applications like industrial controls, HVAC equipment, oil and gas equipment, power supplies, and automotive applications. It has an operating temperature range of -55°C to 155°C, and can withstand peak power ratings of up to 18kW at 8/20µs and 900A at 10/1000µs. This diode also offers fast response times and a very low capacitance.

This TVS diode provides solutions for both lightning and ESD-induced transients. It is important to note that, although similar in design, it is not a DC-rated diode, and its performance can be significantly affected by changing DC voltages. For this reason, it is important to be careful when designing, to limit the impact of DC voltages.

The working principle of the MAPLAD18KP11A is relatively straightforward. Once a negative or positive transient voltage is detected, the diode will conduct the excess current around the circuit, thus providing a path for the discharge from the circuit. This protects board components from damage caused by high voltages. As the circuit is restored to normal, the diode will then restore it, safely discharging any remaining accumulated energy.

The MAPLAD18KP11A is a powerful component that offers excellent protection against transients. It is a reliable way to help keep both the board and the circuit safe from damage due to transient voltages. When combined with other components, it can be used to provide an effective solution against both ESD and lightning-induced transients. With its wide-operating temperature range and its fast response time, this diode is an excellent choice for a wide range of applications.

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