AOZ8809DI-05

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Transient voltage suppression (TVS) diodes are components of electronic devices whose purpose is to protect connected components against electrostatic discharge (ESD) and other sudden transients that can cause voltage spikes.AOZ8809DI-05 is an example of a TVS diode and is used to protect against ESD, lightning, and other surges. It is made from an Expitaxial PNP silicon epitaxial planar transistor on a silicon substrate and a ceramic package.The diode’s breaking voltage ranges from 5V to 700V. The limit pulse current (IPP) is 180A (8/20 μs), and the peak pulse current (IPP) is 800A (8/20 μs). Moreover, its maximum power dissipation (Pd) is 250W.The AOZ8809DI-05 features an operational temperature range of -40°C to +175°C. It can withstand ESD pulses of up to 8,000V (HBM), and its capacitance (C) is 100pF at 1MHz.The diode operates in two distinct modes. The first is the clamping mode, a high-efficiency mode that limits the voltage spike to a level that prevents damage to downstream components. The second mode is the blocking mode, in which the diode quickly switches off when the voltage spike reaches a certain level.One of the most common uses for the AOZ8809DI-05 is in the automotive industry. It is used to protect automotive electronics from the sudden jumps in voltage that can occur due to the rapid acceleration and deceleration of a car. Other applications include data line protection, LED lighting, portable electronic devices, and industrial electronics.The working principle of the AOZ8809DI-05 is based on the propensity of its PN junction to break down the voltage at a predetermined level. When the voltage applied across the PN junction reaches the predetermined level, a current flow will occur, and the PN junction will switch to a low impedance state. This low impedance state limits the voltage spike, protecting the downstream components.The AOZ8809DI-05 is a reliable solution for protecting circuits from sudden transients, as it offers a wide variety of features and operational parameters. Its high efficiency in both the clamping and blocking modes ensures it can quickly and accurately protect circuits from damages caused by ESD, lightning, and other voltage spikes.

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