1N4751A-TP Discrete Semiconductor Products

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Diodes are one of the most useful electrical components available. They can be used for a wide range of applications and in many different forms, from the simplest set of two diodes that simply permit current flow in one direction, to complex integrated circuits with tens of millions of components. Zener diodes are a type of diode that has been specially designed to act as voltage regulators, and the 1N4751A-TP is one example. In this article, we will discuss the application field and working principle of this component.

Application Field

The 1N4751A-TP is a 5.1V Zener diode designed to provide circuit protection and regulation of low power signals. Low power signals are generally used in different electronic systems such as computers, telecommunication devices, and digital control circuits. The 1N4751A-TP provides low inward leakage current and low dynamic impedance, making it a great option for these type of applications.

Moreover, the 1N4751A-TP is also usedin other high-end electronic applications such as switched power supplies and over-voltage protection circuits. It has a wide range of working temperature from -65°C to +175°C, which makes it suitable for a wide range of applications. With its hermetically sealed SOD-123 package, it is able to withstand the harsh high-temperature environment of many military and space applications.

Working Principle

The 1N4751A-TP is a Zener diode, which means it has a reverse breakdown voltage that causes it to become reverse biased when exposed to an external voltage greater than the specified Zener voltage. This will result in a very small reverse-bias current flowing through the diode, producing a voltage drop of just a few volts between the anode and cathode.

The 1N4751A-TP is designed to maintain a constant voltage between its terminals, even when the external voltage fluctuations. This is achieved by the Zener diode’s internal junction structure and its high reverse-bias current. The 1N4751A-TP also has a low dynamic impedance, meaning that it able to regulate the voltage over a wide range of frequencies without producing a large voltage drop.

In addition to its voltage regulation capability, the 1N4751A-TP can also be used as a current limiter. This is because its reverse-bias current is constant even when the voltage across its terminals increases, which is ideal for over-voltage protection circuits. Furthermore, it also has the ability to protect the circuit from large transient surges of current passing through it.

Conclusion

The 1N4751A-TP is a 5.1V Zener diode designed for low-power low-noise circuit protection and voltage regulation. It has a wide range of applications, including computer, telecommunication, and switching power applications. Moreover, it has a wide temperature range, hermetically sealed SOD-123 package, and low dynamic impedance, making it a great component for harsh environments. Finally, it also has the ability to limit current and protect circuits from over-voltages.

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