MMQA6V2T1G Circuit Protection

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TVS - Diodes

The abbreviation TVS stands for transient voltage suppressor. TVS diodes are small and easy to install resistors designed to protect electronics from lightning strikes, electrostatic discharges, and other voltage transients. TVS diodes, also known as surge-protector diodes, are commonly used in power supplies, automotive and charge control circuitry, and computer and telecommunications equipment.

TVS diodes are designed to turn on when a voltage exceeding the rated clamp voltage is applied to the output, effectively diverting the excess voltage away from the sensitive device. This helps to protect the circuit from spikes in power that could cause damage to the sensitive components. When the voltage returns to normal, the diode turns off and the current is allowed to pass back through the circuit.

One example of a TVS diode used in an application is the MMQA6V2T1G. This diode is a 6V TVS diode suitable for use in automotive systems and low voltage applications. It has a breakdown voltage of 6V and a reverse leakage current of 10mA. It is designed to handle up to 600W of peak pulse power. As with all TVS diodes, it is important to consider the maximum voltage and peak power our application requires before selecting the diode.

The working principle behind the MMQA6V2T1G diode is fairly simple. When a voltage exceeding the rated clamp voltage is applied to the output, the diode will turn on and divert excess voltage away from the sensitive device, protecting it from damage. When the voltage returns to normal, the diode will turn off again and allow the current to pass back through the circuit.

TVS diodes such as the MMQA6V2T1G are critically important in electronic applications in order to protect sensitive circuitry from voltage transients. By providing protection from voltage transients such as lightning strikes and electrostatic discharges, TVS diodes can extend the life of the electronic components, ensuring that they continue to operate as expected for longer stretches of time.

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