IN5819 Diode was designed as a low forward voltage drop, low switching noise, and a high surge current capability. The 1N5819 was designed as a Schottky Diode offering a forward voltage drop of 600mV and a forward current of 1A. Its low forward voltage drop makes it ideal for reverse polarity protection circuits. The Schottky diode also features faster switching speeds and hence can be used in high-frequency switching circuits. The reverse blocking voltage for 1N5819 is about 28V only which is kind of a downside for all Schottky diodes so make sure this does not affect the performance of your circuit.
A diode designed as a semiconductor device specifically acts as a one-way switch for current. It permits the flow of current easily in one direction but severely restricts current from flowing in the opposite direction. The two terminals of the diode are known as the anode and cathode. The most common applications of diode include converting AC to DC, isolating signals from a supply, and mixing signals. The 2 sides of the diode doped differently. One side is the “p-side”, which features a positive charge. The opposite side referred to as the “n-side”, has a negative charge. Both of these sides are layered together to form what is known as the “n-p junction” where they meet. The figure below indicates the diode symbol:
Applications of Diode
- Used to prevent reverse polarity problem
- High-Frequency Inverters
- Used as a protection device
- Current flow regulators
- Polarity Protection applications
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