CR3403AA

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TVS (transient voltage suppression) diodes are electronic components specifically designed to absorb and dissipate surging current that could otherwise damage electronic systems. They can also protect equipment from electrical overstress (EOS) due to lightning strikes, electromagnetic interference (EMI), and electrostatic discharge (ESD). The CR3403AA is one example of these devices and is used to protect circuits from extreme voltage events.

The CR3403AA is made of charge-storage photozone datalines, and has features such as low clamping ratios relative to the active voltage, and fast response times to high energy events. It is also RoHS compliant, with a reverse voltage of the junction at 12.5V. This device is made to be used in ultra-high-speed data communication applications, such as PCIe, 10 Gb Ethernet, Sata 3.0, and Thunderbolt. It is also suited to use in USB, HDMI, and audio/video interfaces.

The CR3403AA has a breakdown voltage of 11.5V and a maximum peak power dissipation of 500W. This makes it a suitable choice for applications needing high-speed data transmission. Additionally, it provides excellent protection from voltage transients caused by switching source and load impedance, in addition to surge current protection measured up to ±1000 A.

In terms of usage, the CR3403AA is mounted in close proximity to the data lines, ideally at least 0.125 inches from any active circuitry. To attach it correctly, the case should be soldered to a ground plane, or connected to the power supply lines. The CR3403AA has two pins; the anode is the low-power side of the circuit, while the cathode is the low-voltage side of the circuit.

The working principle of the CR3403AA is based on the ability of the device to conduct electricity during high-speed, high-voltage events. This occurs during a breakdown in the semiconductor junction between the anode and the cathode. In this state, the device absorbs more voltage until the breakdown dissipates the energy and the device returns to its normal state.

The CR3403AA is a reliable, cost-effective solution for applications that need surge protection. It is low profile, and easy to integrate into existing designs. Furthermore, this device has a fast response time and low capacitance, making it a suitable option for high-speed data communication applications. These features, combined with its accurate and reliable operation, make it a commodity in the field of surge protection.

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