DDZ11CS-7 Discrete Semiconductor Products

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Diodes – Zener – Single

A Zener diode is a semiconductor device, which is used to produce reliable and stable voltage, while using modern semiconductor technology. The DDZ11CS-7 is an example of a single Zener diode, and this article will discuss the application field of this specific diode, as well as the working principle.

The DDZ11CS-7 represents an internally annealed silicon Zener diode with a Zener voltage (VZ) of 11V. It is a surface-mount device with dimensions of only 0.379 inches long and 0.147 inches wide. With its miniature size, it is suitable for compact circuitry design and it is also RoHS compliant and Hot Carrier Injection (HCI) immune.

The main application of this diode is the utilization of stabilizing of the supply voltage, voltage regulation and noise reduction. As a result, the diode is used in a wide array of power and electrical systems. This includes computer power supplies, regulated DC power supplies, switch-mode power supplies, voltage regulation, DC-DC converters, DSP systems, lighting systems, and also radio frequency (RF) systems, which employ linear regulators as a voltage stabilizer.

In order to understand the working principle of the DDZ11CS-7, it is important to understand the fundamentals of a Zener diode. A Zener diode is a diode which allows current flow in both a forward and reverse direction. As such, current can flow from the anode to the cathode, or vice versa. When a voltage is applied to the diode in a forward direction, the diode behaves like a regular diode, with a current flowing from the anode to the cathode due to a low forward voltage drop.

When the applied voltage is reversed, the diode starts to conduct in the reverse direction by allowing electrons to flow through it. As the voltage values increase, the diode will start to breakdown, this is known as a Zener breakdown. This behaviour allows the Zener diode to act as a voltage regulator with a fixed voltage. In the case of the DDZ11CS-7, the breakdown voltage is 11V, allowing it to regulate readings above 11V.

Ultimately, the DDZ11CS-7 diode is a single Zener diode, utilized for the purpose of stabilizing the supply voltage and voltage regulation. Its application can be seen in power and electrical systems such as computer power supplies, regulated DC power supplies, switch-mode power supplies, voltage regulation, DC-DC converters, DSP systems, radio frequency (RF) systems and lighting systems. The diode works on a Zener principle, which allows current to flow in both directions; however, the diode will begin to break down once a certain level of voltage has been reached, thus allowing the diode to act as a voltage regulator.

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