JAN1N4979D

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The JAN1N4979D is a single Zener diode component used frequently across a variety of electronic applications. It is a surface-mount component with an anode cathode configuration and is typically mounted using standard techniques such as solder or conductive epoxy.

This diode is typically used to regulate voltage in power supplies and digital systems, as well as to protect against voltage spikes, and high-frequency interference. It can be used in conjunction with other components to form an efficient voltage regulator, and it is suitable for applications that require more voltage range than what an individual linear regulator can provide.

The key feature of the JAN1N4979D is its ability to maintain a constant voltage across a wide range of current and temperature. This is accomplished by utilizing a Zener breakdown effect. In this breakdown effect, an electric field between the anode and cathode causes electrons to be collected from the anode and injected into the cathode. This process results in a greater reverse bias voltage across the junction and eventually, a breakdown occurs. As current increases, the breakdown voltage increases at a proportional rate, thus stabilizing the output voltage. In addition, the breakdown voltage is temperature dependent; as the temperature increases, the breakdown voltage decreases.

The JAN1N4979D can be used in a variety of applications, including power supply and digital design, radio frequency interference reduction, and voltage spike protection. Its wide forward voltage drop and reverse breakdown puts it in high demand for portable devices as it requires less current draw to achieve the same levels of output. Additionally, its low capacitance makes it great for high speed applications, as it is less prone to signal distortion.

The JAN1N4979D is a versatile and important component in many electronic systems. Its wide voltage range and temperature compensation make it suitable for a variety of applications, from power supply protection to radio frequency filtering. It is typically mounted in a standardized surface-mount package and is a cost-effective solution for many applications.

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