3KP48C

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TVS－Diodes are typically used in ESD (electrostatic discharge) application, such as Ac power line and communication line protections. Among them, the 3KP48 series is extremely popular. This series TVS-Diodes provide a solid protection for telecom and datacom interfaces. The 3KP48C is one of the representatives in this series.

3KP48C is a critical device that provides strong surge suppression capability on a very small package in many applications. It is packaged and designed for harsh and aggressive environments. It operates at high temperature up to 155°C, and its proprietary “SoftBreak” technology protects the ESD sensitive components such as ICs, transistors, diodes, and other sensitive components while limiting peak current to 150A. Furthermore, its operational current up to 10A support a wide range of applications and signaling solutions.

In terms of application, the 3KP48C is used in many areas such as computer systems, telecom, and consumer electronics. As digital data moves faster and requires a great amount of wiring, the ESD protection has become a key component in these areas. 3KP48C protects the targeted devices from ESD damage, which can cause malfunction in the system such as data bit corruption in telecom systems, misreading of data in a computer, and failure of circuits in consumer electronics. In essence, it is suitable for all applications that require ESD protection.

In terms of its working principle, the 3KP48C works like an over voltage and current protection device. Its fuse-less element is designed to be able to withstand a higher operating current compared to traditional TVS-diodes. In fact, it integrates two protective devices into one, namely, a fast-acting crowbar circuit and a voltage regulator, and an inductor to eliminate the ringing effect. The fast-acting crowbar starts at 50V, and it protects the device and the network from voltage and current surges. Besides, the voltage regulator helps to maintain the voltage below the maximum rating. The inductor is used in order to eliminate the transient ringing effect, and it prevents oscillations at higher frequencies.

Overall, the 3KP48C is an ideal device that offers a strong protection from ESD damage, surge protection, and overvoltage safety features on a small package. As a result, it has been widely accepted and used in many applications, such as computer systems, telecom, and consumer electronics.

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