PGSMAJ10CAHR3G

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A TVS - Diodes (Transient Voltage Suppression Diode) is an electronic component designed to protect other components from overvoltage or electrical transients. They are used around the world in both consumer and industrial products, from cell phones and tablets to automotive systems. The specific device in the spotlight is the PGSMAJ10CAHR3G, a uni-directional TVS diode designed for dual bi-directional protection of high voltage lines from surges, spikes and ESD.

PGSMAJ10CAHR3G is an ultra-low capacitance device that is suitable for high speed data line protection, and provides excellent clamping performance and low dynamic resistance due to its 11kV of peak pulse power capability. It has a low-leakage current, and its bidirectional configuration eliminates the need for two separate components for each line.

The PGSMAJ10CAHR3G is suitable for use in a wide range of applications, including protection of data/signal lines in communication circuits from ESD, top side drilling of printed circuit boards, and in USB, HDMI, and Firewire cables. It can also be used in power switching circuits, motor drivers and power entry modules to protect against lightning and other overvoltage events.

On a basic level, the PGSMAJ10CAHR3G works by ‘clamping’ the voltage applied to its terminals wherever it exceeds a certain value — the breakdown voltage of the component. When the voltage applied reaches the breakdown voltage, the diode will turn ‘on’ and provide an alternate, lower voltage path for current to flow. This current will divert away from delicate components in the circuit and will be directed towards ground, thus protecting the device from overvoltage.

Once the voltage returns below the breakdown level, the diode will turn ‘off’ and allow current to flow through the normal circuit paths once again. This process occurs very quickly, usually in the nanoseconds range and so reduces the amount of stress placed on the devices.

The PGSMAJ10CAHR3G is an essential component in the protection of sensitive components in a wide variety of devices. In addition to its high voltage capability and low capacitance, its bidirectional configuration and low leakage current make it a great choice for both new and existing designs.

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