63CNQ080SM

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63CNQ080SM: An Overview of its Applications and Working Principle

The 63CNQ080SM, categorized under Diodes - Rectifiers - Arrays, is a semiconductor device used mainly in consumer and industrial power supply designs. It is specifically designed to provide high surge current ratings and low forward voltage drops. With its compact size, compact orientation, and fast switching speeds, this discrete power rectifier is often used in a broad range of devices and applications, including consumer applications such as plug-in adapters and other portable devices, as well as industrial use cases such as robots and electronic equipment.

The 63CNQ080SM belongs to the "Schottky barrier rectifier" family. This type of diode device consists of the metal contact between the anode and the heavily doped cathode, creating a low forward voltage across the diode. This ensures that the device conserves energy and minimizes losses due to the required voltage drops. The other variety of Schottky rectifiers is the diode–resistor combination, which is ideal for higher-frequency applications.

Features of 63CNQ080SM

The 63CNQ080SM is a micro-SMD package that offers a high power dissipation and surge current handling capability. It also exhibits an unbeatable low forward voltage drop, generally ranging from 0.5 V or less. The forward current rating of this device is as high as 80 A and the peak pulse current per pin is as high as 140 A.

The device features a low thermal resistance of 6.5 °C/W with a thermal shutdo2n temperature range of 125 °C. This allows it to maintain a steady temperature level under normal operating conditions and avoid overheating. Furthermore, the device has an active clamp Schottky structure which helps in reducing ringing and electromagnetic interference (EMI) by clamping the third voltage as per the surrounding environment.

Working Principle of 63CNQ080SM

The 63CNQ080SM diode is based on an important physical phenomenon called the "Schottky Barrier". As discussed in the previous section, the Schottky barrier is created due to the junction between the metal contact and the heavily doped cathode. It is this barrier which is responsible for the low forward voltage drop of the diode and the good surge current capability.

The working principle of the device is quite simple. The device, when having positive voltage applied in between the anode and the cathode, creates a thermionic emission field. This field facilitates electrons to move from the cathode to the anode, creating an electric current. On the other hand, if the voltage is reversed, the thermionic emission field is reversed, therefore, the electrons will not be able to flow and the device will not electrically conduct.

Applications of 63CNQ080SM

The 63CNQ080SM is an extremely versatile diode device and can be used in countless applications. The most common ones are as follows:

• Consumer applications such as power adapters, battery chargers, and other portable electronic devices
• Industrial uses such as robots and electronic equipment
• Automotive applications such as cars, buses, and motorcycles
• Medical applications such as scanning, imaging, and surgical equipment
• Mobile and wearable devices such as cell phones and smartwatches

Conclusion:

The 63CNQ080SM, by virtue of its superior features, is favored by engineers and designers all over the globe. Its applications are broad, spanning from consumer grade devices to industrial grade machinery. And, with its low forward voltage drop and high surge current capability, it is sure to meet your specific device requirements.

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