ERZ-V14D471

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ERZ-V14D471 is a type of transient voltage suppression product from EPCOS, which falls into the TVS - Varistors, MOVs category. Such type of products are needed to protect against over-voltage transients that can cause disruptions to the operation of sensitive electronic equipment. It is composed of a metal oxide ceramic body and noble metal electrodes, with a high-speed Avalanche diode, which can achieve voltage protection levels of 14 Vdc unidirectional.

The application field of the ERZ-V14D471 is, on one hand, power supply/DC laser lines, on the other, signal/noise lines. Housed in a 35 V SMD package, it offers a wide range of applications, such as power line protection, battery and back-up line protection, supply lines for sensitive components, and surge and transient protection, in all of which its surge current can reach 470A (10x1000μs).

The working principle of the ERZ-V14D471 is based on its Avalanche diode. The fault current is detected by the Avalanche diode, which has a very fast response speed. When the overvoltage is detected, the diode is pulsed off quickly. The metal oxide ceramic body then starts to conduct the voltage to ground, which ensures a safe and stable environment. Meanwhile, the noble metal electrodes (silver-palladium, in this case) increase the conduction path, preventing the protection unit from heating up or becoming unstable.

The ERZ-V14D471 is a reliable over-voltage protection device that is easy to mount and relatively low-cost. It enables design engineers to reduce the complexity of their designs, while still achieving the required level of performance. With its advanced technology and wide range of applications, this product is a great choice for DC and sensitive signal protection.

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