NZX11B,133 Discrete Semiconductor Products

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A diodes is a type of electrical component that allows current to flow through it in one direction, while blocking current in the opposite direction. The Zener diode, which can also be referred to as a reverse breakdown diode, is a type of diode that is specifically designed to conduct current in both directions. Among Zener diodes, single Zener diodes are the most common and perform the most basic function. One of the most frequently used single Zener models is the NZX11B,133, which is popular because of its reliability and low cost. In this article, we will discuss the application field and working principle of the NZX11B,133.

The NZX11B,133 is a 5.6V, PNP, 500mW single Zener diode, with a tolerance of 5% and a power dissipation of 0.4W. It is mainly used in voltage regulation and protection circuits, as well as peak current limiting operations. Its common applications include automotive, electrical and electronic applications, such as vehicle alternators, automobile electronics, LED driver controllers, noise preventers, and EMI filters. In addition, because of its low profile it is popular for portable electronic applications where space is limited.

Now that we have an understanding of its applications, let’s look at the working principle of the NZX11B,133. The NZX11B,133 has a single PNP junction that acts as a normal diode when forward-biased (the anode is positive with respect to the cathode). In this state, the diode has a very low voltage drop. When reverse-biased (the cathode is positive with respect to the anode), the diode is able to withstand high voltages, yet current is allowed through it. This is called the Zener break-down action, and the voltage at which it occurs is the Zener voltage.

The Zener voltage of the NZX11B,133 is 5.6 V, and it is maintained regardless of the changes in current through it. This voltage is determined by the characteristics of the semiconductor material used by the manufacturer. It is important to note that, while the Zener voltage is maintained, the current through the diode must remain below its rated power dissipation of 0.4W. Once this power is exceeded, the diode might be damaged.

In conclusion, the NZX11B,133 is a single Zener diode with a Zener voltage of 5.6 V and a power dissipation of 0.4W. It is used to provide reverse-biased voltage regulation and protection, peak current limiting operations, and portable electronic applications. This diode is popular for its reliable performance, low cost, and low profile. Understanding the application field and working principle of the NZX11B,133 is essential for one to make the most out of it.

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