1.5KE33AHE3_A/C

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1.5KE33AHE3_A/C application field and working principle

The 1.5KE33AHE3_A/C is a transient voltage suppressor (TVS) diode, which has a 3900W peak power dissipation and 600W continuous power dissipation. It is designed to provide ESD, lightning surge, and inductive switching transient protection for sensitive electronic equipment, and is widely used in automotive, telecom, computer, consumer, and industrial applications.

The 1.5KE33AHE3_A/C is a dual-type transient voltage suppressor diode. This device consists of two juntion diodes. The working of each of the junctions, as well as the whole device, differs from the usual pn junction operation. Its working principle is related to the avalanche breakdown effect. When a reverse bias voltage is applied across the junction, the electric field inside the depletion region increases abruptly due to the sudden change in electron concentration. Then, electrons are accelerated and gain sufficient energy to impact and knock out additional electrons from the atoms, which produces additional electron-hole pairs through the process of impact ionization.

The 1.5KE33AHE3_A/C diode has a low stand-off voltage, designed to ensure a low clamping voltage when the diode reaches its peak power dissipation and conducts current up to its maximum specified value. The device also has symmetrical current surges with a low forward voltage drop. With its slim-package design, it can carry the same power dissipation as a larger-sized diode with a larger package size. Its short circuit protection capability provides a steady flow of the device\'s power dissipation even during a high transient voltage condition.

The 1.5KE33AHE3_A/C diode is generally used in applications such as automotive; computers; TVs; audio systems; telecom; consumer electronics; and industrial applications such as sensor, power switching transistors, and voltage protection circuits.

In summary, the 1.5KE33AHE3_A/C is a dual type transient voltage suppressor diode that offers low stand-off voltage and symmetrical current surges with a low forward voltage drop. It is used to provide ESD, lightning surge, and inductive switching transient protection for sensitive electronic equipment, and is widely used in automotive, telecom, computer, consumer, and industrial applications.

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