CR4202AA

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A transient-voltage-suppression diode, also known as a TVS diode, can help protect sensitive electronics from the effects of voltage surges. The CR4202AA is a widely used single-channel Unidirectional ESD TVS Diode designed for multiple protection requirements in 5V systems. Its design features electrical characteristics that are ideal in applications such as video and audio equipment, consumer electronics, computer peripherals, and industrial automation.

The CR4202AA has two essential components. The first is a reverse blocking diode, which prevents the passage of negative voltages. The second component is a metal-oxide varistor (MOV) that serves as an electrical clamp to absorb and divert excess voltage surges. The combination of these two elements creates an ESD protection diode, which provides maximum protection while requiring minimal PCB area.

The CR4202AA protection principle relies on the varistor’s ability to reduce the incipient voltage and the ESD diode’s capability to limit the current. The device gradually absorbs excess voltage, keeping the protected circuit\'s peak voltage within a safe range. In addition, the quick clamping of the ESD diode helps to limit the current during a surge, allowing a low leakage current through the device.

The CR4202AA is designed to be used as an ESD protection diode for 5V systems. The device offers the lowest capacitance, lowest clamping voltage, and the highest peak pulse power withstanding rating among other TVS diodes. This low capacitance is beneficial for applications such as audio-video equipment in which low-frequency noise can interfere with signals. The device also provides excellent ESC protection with its highest peak pulse power rating among other competing products.

The CR4202AA is a unidirectional device, meaning its protection feature is active only when the voltage stress is greater than the breakdown voltage. This ensures that the protected circuit only experiences voltages higher than the rated breakdown voltage. The device is also designed to function steadily in temperatures ranging from -55°C to +125°C, making it suitable for applications which require extreme temperature tolerance.

In conclusion, the CR4202AA is a single-channel Unidirectional ESD TVS Diode designed for multiple protection requirements in 5V systems. It is a perfect choice for applications that require low capacitance, low clamping voltage, and an excellent maximum peak power withstanding rating. It also provides good protection in extreme temperatures and overvoltage scenarios.

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