VS-81CNQ035ASLPBF

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The VS-81CNQ035ASLPBF bridges the gap between satisfying specifications in the most efficient manner and providing a functional solution. This diode array solution is ideal for applications that require fast, accurate rectification and power conversion. This rectifier module is designed for efficient operation and provides fast reverse recovery times.

Features of the VS-81CNQ035ASLPBF

• Wide operating temperature range from -55°C to +125°C
• High efficiency, low power loss
• Low profile
• Good thermal performance
• High Operating Reliability
• Low forward voltage drop

Applications of the VS-81CNQ035ASLPBF

The VS-81CNQ035ASLPBF module is a suitable choice for a variety of applications, some of which are:

• High-efficiency switching power supplies…
• Portable products, including mobile phones and tablets…
• Home appliance motors…
• High-current rectification…
• DC/DC converters…
• Power management systems…

This rectifier is also suitable for automotive applications, such as car lighting and ECU power supply.

Working Principle of the VS-81CNQ035ASLPBF

The VS-81CNQ035ASLPBF is a bridge rectifier with a rated current of 80A and reverse voltage of 300V. The module is composed of four individual rectifier diodes connected such that they are in series with each other – creating a bridge. This bridge rectifier is encapsulated in a suitable plastic case with an epoxy resin sealant to protect it against the environment. It has 8 terminals. The positive voltage is connected to the anode of the first diode in the bridge array, while the negative voltage is connected to the cathode of the fourth diode.

The diode\'s intrinsic characteristics determine its type of behaviour, in that a current will only flow if a suitable outward electrical potential from its anode to its cathode is present. This current flow can be thought of as a “rectification” of the AC current – a reduction from an alternating unconstrained sinusoidal waveform to a more limited rectangular waveform by virtue of the diode\'s electrical non-linearity. Efficiency is improved by operating the diode close to its breakdown voltage.

Conclusion

The VS-81CNQ035ASLPBF is a bridge rectifier module with a high efficiency, fast reverse recovery time, low forward voltage drop and good thermal performance. This versatile solution can be used in a number of applications, such as high-efficiency switching power supplies, DC/DC converters and home appliance motors. Its low profile construction and high reliability make it an ideal choice for compact systems. The working principle of the rectifier module is based on the diode\'s ability to convert the alternating current into a more constrained unidirectional form of current by rectification.

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