VS-6CWQ03FNTRLPBF

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Diodes - Rectifiers - Arrays

VS-6CWQ03FNTRLPBF Application Field and Working Principle

VS-6CWQ03FNTRLPBF is a low VF(forward voltage drop) and low reverse leakage rectifier array.This tiny package has six diodes encapsulated in a small body and it is suitable for surface mounting applications. It is widely used in LCD displays, DVD (Digital Versatile Disc) players, meters, radio and other digital products. Its main application field includes free-wheeling and secondary rectification, reverse polarity protection and other similar power supply functions.

Diode is a one-way electric conducting element. It allows current to flow in one direction and blocks current flow in reverse above a certain breakdown voltage. VS-6CWQ03FNTRLPBF is a rectifier array which consists of six serially arranged diodes made of Silicon, which can provide reverse polarity protection and provide users with multiple choices according to the different voltage drop and on-state voltage values.

As we mentioned before, VS-6CWQ03FNTRLPBF has a low VF(forward voltage drop) and low reverse leakage. Its forward voltage drop is 0.32V, much lower than the maximum 0.55V, meaning less power is required to power the device. At the same time its reverse leakage current at 25°C is 3.2uA, lower than the maximum 10uA, which greatly minimizes power losses between the loops.

Working Principle of VS-6CWQ03FNTRLPBF

The aim of the development of VS-6CWQ03FNTRLPBF is to improve the power efficiency and cost performance ratio. After analyzing the structure of the unit, it has 6 consecutively arranged rectifier diodes inside. There are two substrate pins that covers the substrate of the external package of the product, which provides enhanced dissipation and heat resistance. Plus, due to its low profile and surface mounting design, it occupies much less space and no mounting holes on the surrounding which makes it suitable for use on PCBs.

The working principle of the rectifier diodes consists of two main components, a PN junction and ultra-thin oxide layer. When the positive voltage is applied to the P - side and the N - side is connected to the negative voltage, although the PN junction remains in quasi-neutrality, the negative voltage can only pass through the ultra-thin oxide layer, resulting in current flow. When reverse voltage is applied to the PN junction, the ultra-thin oxide layer is no longer able to block current flow and current tends to flow in the opposite direction. Therefore, it can be used as a switch for controlling and blocking current flow.

In conclusion, the application field of VS-6CWQ03FNTRLPBF rectifier includes free-wheeling, secondary rectification, reverse polarity protection, etc. Plus, its low voltage drop, low reverse leakage current and improved power efficiency make it a popular choice for power applications.

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