1N5384CE3/TR12

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Diodes are devices used as electronic switches, passing electric current in one direction only, and used as rectifiers and voltage dividers. They come in various shapes and sizes, and one such type of diode is a Zener diode. A single Zener diode, the 1N5384CE3/TR12 is designed to provide tight voltage control and improved accuracy which makes it ideal for applications requiring an accurate voltage reference.

A Zener diode is a reversed biased semiconductor diode which, when biased in the reverse direction, exhibits an avalanche breakdown. It is capable of withstanding reverse voltages as high as 200 volts and allows a controlled amount of current to pass through. The breakdown voltage of the 1N5384CE3/TR12 is 12V (± 5%).

The 1N5384CE3/TR12 has a reasonabel temperature stability and a low reverse leakage current. It is suitable for applications such as voltage regulation, protection circuits and as a voltage reference. Due to its high impedance, it finds use as voltage dividers and clippers.

In a voltage regulation application, the 1N5384CE3/TR12 is wired in series with a variable voltage supply to maintain a constant output voltage and clamp voltage fluctuations. This is accomplished by the Zener diode monitoring the output voltage, and operating in the reverse breakdown mode to pass a current which is sufficient to limit the output voltage to the maximum breakdown voltage of the device. In other words, the Zener diode operates as a voltage regulator, ensuring that the output voltage remains within a certain range.

When used as a voltage reference, the 1N5384CE3/TR12 helps to maintain a constant voltage level with respect to ground, even when faced with input voltage fluctuations. Here, the Zener diode acts as a low-resistance path for the current, allowing a fixed voltage to be present at the output.

In protection circuits, the 1N5384CE3/TR12 is employed to protect devices using low-voltage power supplies from over-voltage damage. Here, the Zener diode will limit the voltage to safe levels and limit current flow, thus protecting the device in the event of an over-voltage occurrence.

When used in a voltage divider, the 1N5384CE3/TR12 serves to reduce higher voltages to lower ones, allowing for easier manipulation of these signals. Voltage dividers are also sometimes known as potential dividers, voltage droppers or voltmeters. Essentially, it allows a voltage to be divided into two, resulting in a lower voltage signal being passed through. The 1N5384CE3/TR12 is connected in series with resistors and can provide very precise voltage ranges.

Clipping circuits, or voltage limiters, are also found in applications for the 1N5384CE3/TR12. These circuits are used to clamp a signal to a specified voltage level. This removes portions of the signal which are either too large or too small and puts down a more linear signal shape. Here, the Zener diode acts to provide the desired limit voltage. When the input signals reach the breakdown voltage of the device, the current is diverted through the Zener diode and the voltage is clamped at this level, protecting the circuit from any further excessive voltages.

The 1N5384CE3/TR12 is an ideal choice for applications requiring high accuracy and tight voltage control. It has various applications, including voltage regulation, protection circuits, voltage reference, voltage dividers and clippers. Its breakdown voltage of 12V (± 5%) makes it particularly suitable for low-voltage power supplies.

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