MA1.5KE36AE3

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A Transient Voltage Suppressor (TVS) diode, also known as a clamp diode, is a specialized semi-conductor diode that is designed to protect electronic circuits from voltage transients generated by lightning, inductive load switching, and other electrical surges on the power supply. The MA1.5KE36AE3 is a unidirectional TVS diode made by an American semiconductor company.

The MA1.5KE36AE3 is a 36 volt diode featuring a very low breakover voltage of 2.0 volts and a maximum surge current rating of 1.5 kiloohms (kΩ). This diode is designed for automotive applications, including under hood, interior, and exterior electronics. The diode is encased in a SOD-123FL package and features low leakage current, low clamping voltage, and fast response time.

The TVS diode has two main modes of operation: clamping and switching mode. Clamping mode is when the diode is connected with its anode (positive) terminal to the positive power line and its cathode (negative) terminal to the negative power line, thus forming a conductive bridge. As the voltage of the power line rises, the diode starts to conduct current, allowing the excess voltage to flow to ground. This ensures that the voltage on the power line stays within specified limits.

In switching mode operation, the diode is connected in reverse, with the cathode connected to the power line and the anode connected to ground. In this configuration, the diode acts as a switch and conducts current when the voltage reaches its breakdown voltage. This allows the charge on the power line to be diverted to ground, thus preventing voltage spikes from forming.

The MA1.5KE36AE3 is a highly reliable and cost-effective TVS diode designed for automotive applications. Its low breakover voltage, low clamping voltage, low leakage current, and fast response time make it ideal for protecting sensitive electronics from voltage transients such as those caused by lightning, inductive load switching, and other electrical surges on the power supply.

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