1.5KE8.2CA-B

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TVS diodes, commonly called transient-voltage-suppression diodes, are solid-state devices specifically designed to protect electronics from voltage transients. The 1.5KE8.2CA-B is a silicon-based unidirectional TVS diode that’s designed to protect systems from surges associated with high-speed switching, ringing, and overvoltage transients. This component is ideal for protecting pin circuits, especially those in laptop motherboards and other high-speed interfaces.

The 1.5KE8.2CA-B is designed to clamp the excessive voltages associated with certain transient events. When a surge condition occurs, above a pre-established voltage threshold, it begins to conduct current, quickly expanding and dissipating the fault energy. It also provides electrical isolation of the system from ground transients. By providing a conductive path between higher than normal ground potentials and the system ground, it can keep board components from damaging each other or forming ground loops.

It’s important to distinguish the working principle of the 1.5KE8.2CA-B from other TVS diodes. While blocking voltages under normal conditions, this component allows snapback reverse breakdown voltage to be used to protect against surges. This occurs when the reverse voltage reaches a predetermined value, which will be the difference between the peak of the surge voltage and the breakdown voltage of the body diode. By connecting the two diodes together in a single package, the surge voltage is redistributed over both diodes, resulting in clamping voltages that are extremely low. This clamping voltage is often less than the breakdown voltage of the body diode itself.

Due to its extremely low clamping voltage, they are commonly used in high-speed electrical applications. They are also designed for use in ethernet ports, modems, USB ports, and other high-speed data interfaces. These components are also commonly used in industrial applications such as AC/DC motor drive circuits, power line interface circuits, systems with exposed external connections, and control systems that communicate over open loops. In all these applications, the 1.5KE8.2CA-B provides reliable protection from voltage transients with its low clamping voltage and fast recovery times.

The 1.5KE8.2CA-B is a state-of-the-art SIlicon TVS diode which is designed for optimum performance in high-speed, high-frequency electrical applications. This component is designed to provide fast response times and extremely low clamping voltages to protect from surges associated with fast pulse rise times, ringing, and overvoltage transients. It’s an excellent choice for protecting laptop motherboards, ethernet ports, modems, USB ports, and other high-speed data interfaces.

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