MXPLAD18KP8.5A

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TVS (Transient Voltage Suppressor) diodes are widely used in a variety of applications to protect items such as electronic systems and components from voltage transients. These devices use an avalanche breakdown effect to clamp and divert the transient energy away, affording protection from voltage spikes and inductive kick-backs that may otherwise cause permanent damage. The MXPLAD18KP8.5A is a particularly popular TVS diode from ON Semiconductor, and is suitable for protecting sample-and-hold circuits and other sensitive analogue applications in automotive environments.

The MXPLAD18KP8.5A is an ultra-low capacitance, bidirectional TVS diode featuring two high-power discrete diodes in an SMB package. It provides multilateral ESD protection up to 27kV, and is ultra-low capacitance, with a maximum capacitance of 0.2pF at 1MHz. This diode offers superior protection from EOS Electro-Static Discharge damage, and is rated for maximum EOS (Electrical Over-Stress) voltage levels of up to 18V.

The working principle behind the MXPLAD18KP8.5A lies in its ability to quickly divert surge energy away from electronic circuits via an avalanche breakdown effect. This occurs when the diode is subjected to a high voltage, resulting in an extreme increase in the current passing through the diode. This rapid increase in current causes electrons to gain enough energy for some of them to escape from their host atoms, and these newly freed electrons collide with other atoms. This, in turn, increases the number of electrons that flow through the diode, causing a further increase in the current. This phenomenon is known as avalanche breakdown, and it creates a path for the transient voltage to be diverted away from the protected circuitry.

This capability of the MXPLAD18KP8.5A makes it ideal for protecting automobiles from transient voltage spikes and inductive kick-backs, as well as providing ESD protection up to 27kV. It is a popular choice for automotive applications such as sample-and-hold circuits and other sensitive analogue applications that may otherwise be prone to permanent damage. In addition, the MXPLAD18KP8.5A also offers superior protection from EOS Electro-Static Discharge damage, allowing it to withstand maximum EOS (Electrical Over-Stress) voltage levels of up to 18V.

The MXPLAD18KP8.5A has established itself as a popular choice of TVS diode. It is designed to protect delicate and sensitive automotive applications from transient voltage spikes and inductive kick-backs, as well as offering excellent ESD protection. The diode’s capability to divert transient energy away from protected circuits by an avalanche breakdown effect has allowed it to become a popular choice for many applications.

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