MMQA12VT1

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Transient Voltage Suppressors (TVS) diodes are a type of overvoltage protection semiconductor device designed specifically to protect smaller, sensitive electronic component circuitry from high voltage events such as electrostatic discharge (ESD), lightning strikes, power supply spikes, and more. The MMQA12VT1 is one of several TVS diodes manufactured by IXYS. This device is unidirectional and uni-polar construction, designed to protect equipment from transients induced across the device from either line to line or line to ground.

The MMQA12VT1 is suitable for use in various application areas, such as cellular phones, computer motherboards, and consumer electronics, as well as other digital and analog applications with high speed operation. It is designed to handle high surge currents up to 12.5A peak, and can support a maximum operating voltage of 600V. It is also UL recognized with a maximum peak power of 2,030W.

The device works by limiting the surge current that can be allowed to flow through the protected circuitry. This is done by quickly increasing its resistance, then clamping the voltage at the maximum value, and then quickly resuming the normal resistance. During surges, the internal junction of the device takes the extra energy from the incoming waveform, regardless of its amplitude. This then effectively reduces the voltage to a safe level.

In addition to its superb protective capabilities, the MMQA12VT1 also offers excellent ESD protection, with an standard ratings of IEC 61000-4-2 (ESD) ± 8kV (air) and ± 4kV (contact). The device also offers low leakage in normal operating conditions, which helps to conserve energy, especially in high power applications. It alsohas a wide operating temperature range between -55°C and 125°C. This allows the device to operate in harsh environments, ensuring a higher level of reliability.

The MMQA12VT1 is a reliable and effective overvoltage protection device, with a host of features that make it an ideal choice for a range of applications. It offers excellent protection from transients due to its quick response time, high surge currents, and can support a wide operating temperature range. In addition, it offers excellent ESD and low leakage protection levels, making it suitable for use in a variety of digital and analog applications.

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