SA20A B0G Circuit Protection

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TVS - Diodes

Transient Voltage Suppression (TVS) diodes are solid-state surge protection devices designed to limit voltage transients and protect electronic equipment from damaging events such as lightning strikes, power outages, and brownouts. TVS diodes act as a protective gate; they will be triggered by high input voltages and shunt the voltage away from the equipment to protect it. In this way, TVS diodes can help to prevent costly damages and downtime.

The SA20A B0G TVS diode is a bidirectional, unidirectional, or bidirectional+ unidirectional component used to protect sensitive electronic circuits from voltage transients. It features a glass-passivated junction housed in a SOT-323 package, and is typically used for line-to-ground protection, meaning that it protects the ground line from potentially damaging voltage spikes.

The SA20A B0G can be used for protection against transient voltage events up to 8 kV or 5 A. It is designed for a peak pulse power dissipation of up to 625 W and requires a surge current rating of 15 A at 8/20 μs, making it suitable for a wide variety of applications. Additionally, the SA20A B0G features low clamping voltage across its bidirectional element, and a steep turn-on voltage across its unidirectional element.

The working principle of the SA20A B0G is based on a capacitive-discharge principle. When a voltage transient occurs, the SA20A B0G absorbs the energy from the transient, and its reverse breakdown voltage is activated. As a result, the voltage across the diode is momentarily clamped to a level that is safely below the voltage of the circuit components.

Once the voltage transient has subsided, the diode returns to its normal state, and the device is ready for its next transient protection job. This protection mechanism helps to protect the circuitry from potential damage that would otherwise occur if the transient went unchecked. In this way, the SA20A B0G provides reliable transient protection for a wide variety of applications.

The SA20A B0G is suitable for a wide variety of applications, including industrial, telecom, computer, consumer and automotive applications. Common applications include the protection of cellphone chargers and other power supplies, the protection of digital circuit boards from ESD, and the protection of datasheets from lightning strikes. The SA20A B0G offers superior advancements in circuit protection for any application where a pulse current is generated.

In summary, the SA20A B0G TVS diode is a reliable and effective device designed for protecting electronic equipment from voltage transients. It features a low clamping voltage, a steep turn-on voltage, and is capable of handling a wide range of transient events. The capacitive-discharge principle upon which it operates ensures that the SA20A B0G is able to provide reliable protection for a variety of applications.

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