DDZ9686-7

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Diodes, also known as rectifiers, are electronic devices that are commonly used in a wide variety of applications. One of the most common diode applications is Zener single, or Zener single diodes, which have a special structure compared to other types of diodes. The DDZ9686-7 is an example of a Zener single diode and is often used in voltage regulation applications. In this article, we\'ll take a closer look at the DDZ9686-7 application field, as well as its working principle.

The DDZ9686-7 is a type of Zener single diode. This diode is a general-purpose part and is suitable for a wide range of applications, such as voltage regulation and voltage reference. It is a particularly good option for applications that require a high-voltage Zener single diode with a low reverse leakage current. One of the key features of the DDZ9686-7 is its low reverse leakage current, which is typically 0.82uA at 5V and 0.8mA at 20V.

The DDZ9686-7 can be used in a variety of applications including switching power supplies, voltage regulators, overvoltage protection circuits, noise filtering, etc. Furthermore, it is also often used in logic drivers, LED drivers, LED dimmers and low-power converters. Some common applications include automotive, industrial and consumer electronics, as well as medical devices.

In addition to its wide range of applications, the DDZ9686-7 also has several important characteristics. It has a high breakdown voltage of 100V and a low reverse leakage current of 0.8mA at 20V. It also has a low capacitance of 0.62pF, which helps reduce noise and EMI in the circuit. The device is also RoHS compliant and is available in a wide range of packages, including SOT23, DO-214AC, SOIC-8 and SOT89.

The working principle of the DDZ9686-7 is fairly straightforward. It has a special internal structure that allows it to pass current in one direction only. When it is forward biased, meaning that the positive DC voltage is applied to the anode and the negative DC voltage is applied to the cathode, a certain amount of current will flow through the diode. This current flow is limited by the forward voltage of the device, which is typically 0.6V.

On the other hand, when the DDZ9686-7 is reverse biased, meaning that the negative DC voltage is applied to the anode and the positive DC voltage is applied to the cathode, the diode will shut off and no current will flow through it. This is because the diode has a high reverse breakdown voltage, which is typically 100V. At this voltage, the Zener effect occurs, which allows the diode to conduct a small amount of reverse current. This current is controlled by the Zener voltage, which is typically 6 or 7V.

To sum it up, the DDZ9686-7 is a general-purpose Zener single diode that is suitable for a wide range of applications, such as voltage regulation, overvoltage protection, logic and LED drivers, and low-power converters. It has a low reverse leakage current, a high breakdown voltage, a low capacitance and a wide range of available packages. Furthermore, it has a simple working principle, whereby it can pass current in one direction only, depending on whether it is forward biased or reverse biased.

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