MPLAD18KP20CA

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TVS diodes are designed for the protection of electronic equipment from damage due to transient over-voltage conditions. The MPLAD18KP20CA is a low-capacitance transient voltage suppression diode that has been developed to protect high-speed line interfaces, such as those found on computers and digital components. It is a unique, low-capacitance voltage suppression device designed to clamp transient voltage surges with a high rejection rate. This diode offers excellent performance in suppressing transients as it has a fast response time, low clamping voltage, and low capacitance.

The MPLAD18KP20CA is a bidirectional diode, meaning it can protect circuits from voltage surges no matter the direction of the surge. This diode offers excellent protection in a variety of applications such as protecting system boards from voltage spikes, over-voltage protection for personal computers and game consoles, and protection for high-speed transmission and signal processing lines.

The working principle of the MPLAD18KP20CA is based on the Zener effect. When a peak voltage greater than the breakdown voltage is applied across the terminals of the diode, the diode quickly becomes forward biased and begins to conduct current. This causes the voltage across the device to be clamped to a value equal to the breakdown voltage, thus protecting the system from further damage due to over-voltage conditions.

The forward voltage of the diode is also important and increases with the amount of forward current that the device is carrying. The forward voltage of the MPLAD18KP20CA is typically between 1 – 1.2 volts. This is important as it helps to define the clamping voltage of the device which is essential for proper device operation.

In order to ensure effective protection, a critical element of the device design is the low capacitance between its anode and cathode. The MPLAD18KP20CA has a low capacitance of only 0.4pF which helps to minimize any interference the device may cause with the operation of the circuit.

The MPLAD18KP20CA is a low-cost and reliable alternative to more expensive surge suppression devices. Its combination of fast responses, low clamping voltage, and low capacitance make it an ideal choice for protecting systems from transient over-voltage conditions.

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