MA1.5KE120AE3

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Transient voltage suppressor (TVS) diodes protect sensitive electronics from damaging voltage surges. The MA1.5KE120AE3, which belongs to this product family, is a small size surface mount device specifically designed to protect voltage sensitive components from lightning or other electrical transients. It comes with in a SOD-123 package.

The MA1.5KE120AE3 is equipped with an integrated Zener diode and a two-terminal electronic switch. The Zener diode helps clamp any further voltage above the diode’s breakdown voltage so that additional electricity does not enter and damage the system. The integrated switch is used to transfer the surge current away from the system, such as lightning, before it can damage any components.

The MA1.5KE120AE3 is used for a wide range of applications, including automotive, industrial, consumer electronics, and more. It is capable of handling a peak surge current of 72A, and its breakdown voltage can range between 9.0-15.0VRMS, making it suitable for use in a variety of environments. It has a low capacitance of ~100pF between line-to-line, and can work in temperatures ranging from -55℃ ~ 125℃.

In terms of its working principle, the MA1.5KE120AE3 is designed to protect systems from voltage transients. When a surge occurs, the integrated Zener diode clamps the voltage by dissipating the excess energy as heat. Once the voltage reaches the breakdown voltage of the diode, it is clamped, and the integrated switch then redirects the surge current away from the system. This helps protect the electronics from damage. The protection level that the MA1.5KE120AE3 provides depends on the power capability and its series resistor, as this determines the total clamping voltage delivered by the device.

In conclusion, the MA1.5KE120AE3 is a robust and reliable TVS diode that offers an effective protection against voltage surges in a wide array of applications. Thanks to its integrated switch and Zener diode, this device can provide reliable protection of high-voltage sensitive components without compromising performance or reliability. It is a cost effective solution for protecting sensitive electronics and ensuring that they remain operational despite sudden voltage transients.

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