PESD2IVN27-UX

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TVS - Diodes

TVS diodes are voltage clamping devices used for electrical overvoltage protection. Short for transient voltage suppressor, TVS diodes are able to absorb and disperse potentially damaging static electricity and voltage spikes away from sensitive electronic components. TVS diodes provide an insulated barrier between the source of a high voltage surge and the protected components. Typically, TVS diodes are made from silicon-based materials with a special structure as to reduce the voltage spike, clamping at a pre-determined voltage between two anodes. In this article, the PESD2IVN27-UX application field and working principle will be discussed in detail.

PESD2IVN27-UX Application Field

PESD2IVN27-UX is a unidirectional, SMD (Surface Mount Device) TVS diode intended for protecting sensitive electronic components from electrostatic discharge (ESD in short). It uses flame-retardant, UL746B approved epoxy package and is designed to protect electronic circuits in applications such as consumer electronics, computers, industrial systems, communication infrastructure, and automotive systems.

PESD2IVN27-UX Working Principle

When a voltage surge is applied, the PESD2IVN27-UX becomes conductive. This allows the current of the voltage surge to run through the device and be "clamped" to the breakdown voltage which is designed to be less than the breakdown voltage of the protected components. When the voltage of the surge dissipates, the diode stops allowing current to flow and returns to its non-conducting “off” or “open” state. The typical capacitance of the PESD2IVN27-UX is 0.19pF and the clamping voltage is 6.1V.

The PESD2IVN27-UX diode is rated for a maximum power dissipation of 2.8W. It offers fast response time of 1.2ns and low leakage current of 0.8uA. It can withstand ESD pulses of up to 25kV on both contact and air discharge. In addition to ESD protection, the PESD2IVN27-UX provides protection from overvoltage and transients caused by electrical noise and other sources.

Conclusion

In conclusion, the PESD2IVN27-UX TVS diode is a versatile and reliable device which can provide effective protection from electrostatic discharge and overvoltage events for numerous applications. It can withstand voltage surges of up to 6.1V with fast response times and low leakage current. The device offers great insulation and can be installed with ease due to its small size and flame retardant epoxy package.

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