NP0640SBMCT3G Circuit Protection

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NP0640SBMCT3G Application Field and Working Principle

TVS – Thyristors is a semiconductor device which is used to provide protection to electronic circuits from excessive voltage. It works by limiting the current through the circuit and preventing short circuits and other damages. It is also popular as a stand-alone device or as part of a comprehensive protection system. The NP0640SBMCT3G is a silicon avalanche diode with an integrated self- sustaining TVS structured for transient protection.

Application Field

The NP0640SBMCT3G offers optimal solution for shielding a large number of sensitive electronic components and circuits from the damaging effects of high-voltage transients, voltage spikes, and surge currents. It is suitable for making protective electronics that are used in industrial, commercial, and automotive applications. Its advantages include an integrated thyristor, providing high-speed switching performance, cost-effective and low-capacitance design, high surge current handling capability, and low stand-off voltage.

The NP0640SBMCT3G TVS is especially suitable for Automotive Plastic Body Wiring Lines, Automotive Bundles, Exterior Plug and Socket Connectors, Automotive PCB Edge Connectors, Automotive Door/Roof Openers, Automotive Airbag Safety Component Protection, Automotive Brake Control Systems, Automotive Door Lock Actuators and Cables, and Smart Antenna Systems.

Working Principle

The NP0640SBMCT3G Thyristor is composed of a monolithic structure made up of PN-junctions for avalanche conduction. This conduction is triggered by the current passing through the device exceeding its pre-determined threshold and the voltage across the model exceeding its so-called "breakdown" voltage. During avalanche operation, the integrated thyristor of the NP0640SBMCT3G serves as a switch connected to a positive supply voltage. When a positive voltage is applied across the device, the thyristor starts to conduct and allows to limit the excessive current passing through the circuit. This limits the tension of the voltage across the circuit and prevents damages from occurring.

The NP0640SBMCT3G features a high breakdown voltage and current-handling capability, and low stand-by leakage current. The integrated thyristor also provides high-speed switching performance, its high surge current handling capability allows the device to absorb and limit excessive current while its low stand-off voltage increases the endurance against high-voltage transients.

Conclusion

The NP0640SBMCT3G Thyristor is one of the most reliable and cost-effective protection solutions for a wide range of industrial, commercial, and automotive applications. It provides fast and reliable protection against high-voltage transients, voltage spikes, and surge currents, and it has a high surge current-handling capability and low stand-off voltage. The integrated thyristor also ensures high-speed switching performance. The NP0640SBMCT3G provides a cost-effective solution for protecting sensitive electronic components and circuits from damages.

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