SM2T6V8A

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Transient voltage suppression (TVS) diodes, sometimes also known as suppressor diodes, are one of the most versatile components in the electronic industry. They are used in super-high-reliability and high-frequency circuits for protection against high-level transients and inducted transients. SM2T6V8A is a two-terminal bidirectional TVS diode that is especially suitable for the industrial, telecom, computer, and consumer markets. It offers a variety of features and applications.

Features

The SM2T6V8A is a 2.0 x 0.60 mm package that provides excellent protection against transients and inductive transient events for voltage levels up to 6.6 V. It is also capable of withstanding high ESD strikes of up to ±8 kV (HBM). The SM2T6V8A has a current rating of 150 mA and a breakdown voltage of 6.6 V. The device has a capacitance rating between 4 and 5 pF.

Applications

The SM2T6V8A is used in a wide variety of applications including: computers, medical electronics, telecom equipment, industrial equipment, consumer electronics, automotive electronics, gaming systems, and more. Its small size is ideal for space constrained designs, and it can be used in both low- and high-voltage applications. The device is also suitable for high-frequency use since it can handle voltage transients up to 8 kV.

Working Principle

The SM2T6V8A works on the principle of avalanche breakdown, which occurs when the voltage across the device exceeds the breakdown voltage. When this occurs, a large amount of current is generated in the device, which in turn increases the voltage across the device, allowing electrons to flow freely through it. This avalanche effect is limited by the Zener voltage, and when this voltage is exceeded, the current flow is limited.

The SM2T6V8A is designed in such a way that it provides a low-impedance path to ground when triggered, effectively short-circuiting the applied voltage and providing protection to the circuit. The device is also capable of absorbing large amounts of energy without damaging itself or the downstream circuit. When the surge stops, the TVS diode returns to its off-state, allowing the circuit to resume normal operation.

Conclusion

The SM2T6V8A is a two-terminal bidirectional TVS diode that is used in a variety of applications where it provides excellent protection against transients and inductive transient events up to 6.6 V. It has a small size of 2.0 x 0.60 mm and a capacitance rating between 4 and 5 pF. The device also offers high ESD protection of up to ±8 kV and is suitable for high-frequency use. It works on the principle of avalanche breakdown, which is limited by the Zener voltage, and provides a low-impedance path to ground when the voltage exceeds the breakdown voltage. The SM2T6V8A is a versatile and reliable component and is ideal for use in space-constrained designs.

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