SA30ARLG

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The SA30ARLG is a transient voltage suppressor, or TVS diode, used in the protection of sensitive electronic equipment from high voltage transients. It has an operating voltage range of 3.0 to 30 volts and a low clamping voltage of 33 volts, making it an ideal choice for low voltage applications. It also has a peak pulse current rating of 400 amps, making it capable of handling significant transient currents. The SA30ARLG is designed to clamp high voltage transients within a short time, and its response time is determined by its reverse recovery time (the time taken for the diode to be turned off after a high voltage transient.)

The device is constructed from a combination of a thyristor and a junction diode. The thyristor is triggered into conduction when the voltage reaches a pre-determined level. When the voltage exceeds the breakdown voltage, the diode current is increased, triggering the thyristor and causing it to conduct. The current starts to flow through the thyristor and diode, and the excess energy is absorbed. This reduces the voltage to a safe level quickly, allowing the device to protect sensitive electronic components.

The SA30ARLG has several protection features including overvoltage protection and overcurrent protection. When the voltage exceeds the maximum operating voltage, the device will trigger the thyristor and start the protection process. It can also protect against overcurrent conditions by clamping the voltage and reducing the peak current.

The SA30ARLG also has a fail-safe feature which prevents arcing and prevents the device from being damaged. This is achieved by gradually reducing the reverse recovery current to zero. This reduces the risk of breakdown and ensures that the device will remain operational for a longer period.

The SA30ARLG is ideal for protecting sensitive electronic components from high voltage transients. Its low clamping voltage, features such as overvoltage and overcurrent protection, and its fail-safe features make it a reliable and cost-effective solution for low voltage applications.

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