1N3519A

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The 1N3519A is an ideal zener diode for application in many general purpose circuits. It offers a range of flexible, low working voltage and power dissipation, making it suitable for a wide variety of applications from frequency control to voltage regulation.

The 1N3519A is a single zener diode, with a breakdown voltage of 8.2V and having a maximum power dissipation of 150mW at 25°C. It is easy to find in both axial and surface mount packages. The capacitance of the device is also low, at less than 10pF.

The basic working principle of a zener diode is fairly straightforward. It operates in the same way as the classic diode, but with the addition of a reverse bias voltage applied across its terminals. This causes the diode to become reverse biased, meaning that current flows in the opposite direction. As the reverse bias voltage is increased, the resistance of the diode decreases until the breakdown voltage is reached at which point the current through the diode increases sharply.

The 1N3519A can therefore be used as a voltage regulator by applying a voltage that is greater than its breakdown voltage. When the voltage across the diode is higher than the breakdown value, the resistance of the diode increases, thereby limiting the current that can pass through it. This reduces the output voltage, allowing it to be set to the desired level.

The 1N3519A can also be used to generate negative pulse or clock signals, or to provide negative voltage supplies for circuits that require such. It is also useful in reverse bias protection circuits, as it has a relatively high reverse breakdown voltage. This makes it useful in applications where there is a risk of the voltage being reversed, such as in automotive applications where there is a risk of a reverse polarity due to battery connections becoming reversed.

The 1N3519A is a very useful, versatile and low power device that can easily be incorporated into a range of different circuits, allowing it to be used in a wide variety of applications. It is able to provide the necessary protection and regulation needed, while still operating at lower power dissipation than comparable devices.

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