TVS518SM

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TVS devices like TVS518SM are transient voltage suppressors, also known as voltage-dependent suppressors (VDSs). They offer superior performance over traditional zener diodes and are commonly used in applications requiring protection from transient voltages.

TVS518SM is a unidirectional low-capacitance transient voltage suppression (TVS) diode designed for protection of sensitive electronic circuits. It is designed to protect up to two data lines from voltage conditions up to 16 volts.

Applications

TVS518SM is widely used in various applications, such as telecommunications, industrial, data acquisition, and computing. It is widely used in peripheral devices, including hard disk drives, USB interfaces, audio and video equipment, satellite navigation systems, and surveillance systems. Additionally, TVS518SM is used in AC/DC adapters, automotive electronics, medical equipment, and surveillance cameras.

Working Principle

The principle of operation of TVS518SM is based on the rapid breakdown of the silicon-dioxide layer of the diode when a certain reverse bias is exceeded. If a transient voltage appears on the device, the diode begins to conduct and absorbs the pulse energy, allowing current to flow through it until the voltage is reduced. The conductive path is then re-established after the transient voltage has subsided and the device returns to its original state.

TVS518SM is designed with a low on-state resistance, low leakage current, and high peak pulse current. When an over-voltage situation occurs, the low impedance characteristic of the diode is triggered, suppressing the transient voltage and diverting it to ground. This action prevents the voltage spike from damaging the sensitive electronics.

TVS518SM is a switching-mode device, meaning that it can be switched on and off quickly and reliably. This allows the device to respond quickly to transient voltages, ensuring that the connected electronics are protected. The device also offers superior ESD and reverse breakdown voltage protection.

TVS518SM is an invaluable device for protecting sensitive electronics from transient voltages. Its low profile, high peak pulse current, and low on-state resistance characteristics make it ideal for use in a variety of applications.

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