SMBG5374B/TR13

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Diodes - Zener - Single - SMBG5374B/TR13 Application Field and Working Principle

SMBG5374B/TR13 is a type of zener diode that is specialized for usage in circuit protection. In essence, zener diodes bridge the gap between the two worlds of diodes and resistors; they protect a circuit from excessive current, just like a diode does, but also reduce the voltage potential like a resistor does.

This SMBG5374B/TR13 diode comes in a DO-41 package, has a voltage rating of 5.6V and a power rating of 500mW. Such parameters make it an ideal choice for usage in a wide range of applications. It is commonly used as surge protectors, voltage regulators, DC-DC converters, and automotive electronics. As such, it provides reliable circuit protection when used in the right circuit design.

Given its physical and electrical characteristics, the SMBG5374B/TR13 is considered a high performance device. Its reverse power rating of 500mW ensures that it can endure large spikes in current without risking failure. It has a low forward voltage drop of just 1.6V, and its maximum non-repetitive reverse voltage of 5.6V is perfect for many circuit protection applications. In addition, its low leakage current of just 200uA means that it does not cause any extra power draw in the circuit.

Working Principle

Like all zener diodes, the SMBG5374B/TR13 works in a very specific manner. It is comprised of two different sections, a conventional diode in the front, and a variable resistor in the back. When a current is applied to the diode, it will start to bend the electric field of the transistor. As the electric field is pushed, the resistor in the back is activated and the voltage and current are regulated, thus protecting the circuit from any further spikes or shocks.

It is important to note that the SMBG5374B/TR13 diode is not linear and it only works in the range of its reverse breakdown voltage rating. As such, it is important to check the voltage rating of the diode before applying power to the circuit.

One of the key characteristics of the SMBG5374B/TR13 is its ability to withstand a large surge in current without breaking down, which is a great advantage when used in circuits that require extra protection from spikes in power. This makes it an ideal choice for usage in automotive and industrial electronics, where spikes and shocks are more common.

Although the SMBG5374B/TR13 may not be the most powerful zener diode out there, it is certainly one of the most reliable and efficient ones. With a wide operating range and low forward voltage drop, it is ideal for many circuit protection applications.

Its main advantages include its low cost, its ability to withstand large spikes in current, its low forward voltage drop, and its large operating range. It is also relatively easy to install and use, making it a popular choice in many electronic applications.

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