Best choice for a diode to protect for reverse polarity

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When it comes to protecting devices from reverse polarity, a diode plays a crucial role.

For those utilizing the ESP32 microcontroller and seeking to minimize power consumption, a specific type of diode can make a significant difference.

How are these two aspects connected? A Schottky diode is an excellent option. It is understood as the preferred choice for many applications due to its low forward voltage drop.

As a recognized industry leader, we are proud to be the world’s premier Custom Schottky diode reverse leakage Supplier. Our store is your comprehensive resource for all your diode requirements. Our team of specialists is ready to assist you in identifying the ideal product for your needs.

For reverse polarity protection, utilizing a modified Schottky diode is advisable.

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I possess only basic knowledge of circuit design, and I am in need of some guidance.

I have designed a printed circuit board intended for automotive applications. I wish to incorporate a method to thwart reverse current flow through a resistor on the board. Below is a snippet of the schematic...

The assistance I require pertains to selecting the right diode. In automotive applications, when the engine is operational, the voltage can reach around 14 volts DC, with the expected current potentially hitting 1.0 ampere. I have encountered various articles discussing different diode types (such as junction diodes and Schottky diodes) for similar tasks. However, I do not have clarity on which diode variant would be most suitable for my application, nor do I know how to accurately specify the diode’s characteristics. Any guidance would be highly appreciated.

Best regards,
Steve

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