VS-QA300FA17

Series:	--
Part Status:	Active
Diode Configuration:	2 Independent
Diode Type:	Schottky
Voltage - DC Reverse (Vr) (Max):	170V
Current - Average Rectified (Io) (per Diode):	300A
Voltage - Forward (Vf) (Max) @ If:	980mV @ 200A
Speed:	Fast Recovery = 200mA (Io)
Reverse Recovery Time (trr):	71ns
Current - Reverse Leakage @ Vr:	200µA @ 170V
Operating Temperature - Junction:	-55°C ~ 175°C
Mounting Type:	Chassis Mount
Package / Case:	SOT-227-4, miniBLOC
Supplier Device Package:	SOT-227

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Diodes - Rectifiers - Arrays – VS-QA300FA17 Application Field and Working Principle

The VS-QA300FA17 is a high power diode array developed by VISATON GmbH, and is suitable for applications ranging from regulated power supply, through to lighting and motor control. The components are built with a varied range of materials to ensure superior performance and reliability for the end user, making the VS-QA300FA17 an ideal choice for those in the industry who require power delivery. This article will explore the application field and working principle of the VS-QA300FA17 in depth.

Applications

The VS-QA300FA17 is useful in a wide variety of roles and applications. It is particularly effective when used in regulated power supply, incorporating a 3-phase bridge rectifier circuit, or a full-bridge rectifier circuit. With regards to lighting and motor control, the diode array can be used in multiple configurations to create an array of AC or DC dimmers.In addition to these applications, the device can also be used in a range of other tasks, such as solar power supply, inverter technology, LED driver circuits, and lithium-ion battery protection.

Working Principle

To ensure reliable performance, the VS-QA300FA17 is constructed from a series of components, arranged into a rectifier bridge circuit. This circuit is made up of four main parts; the main supply lines, which send power to the bridge; the rectifying diode array itself, which form the actual rectification; the freewheeling diode, which helps to limit the current travelling through the circuit; and the smoothing capacitor, which collects any residual energy released during operation and prevents any voltage spikes.Once the device has been installed, it essentially acts as an electrical double-check valve, allowing current to travel in one direction only, and preventing it from passing through in reverse direction. This is done by current passing through the main supply lines and entering the circuit, which then connects each main supply line to the either side of the freewheeling diode, from there, it is passed through the rectifying diode array, and into the smoothing capacitor. The capacitor retains any excess energy and prevents any high voltage spikes, finally the power is passed through the appropriate circuit and can be used to power your device or system.

Conclusion

The VS-QA300FA17 is a high power diode array specifically designed to provide reliable performance and power delivery in many different applications. It is constructed with a variety of components as part of a bridge rectifier circuit, and works on the principle of restricting electrical current to a single direction. Its applications are broad; from regulated power supply, through to lighting and motor control, and its flexibility makes it an ideal choice in many circumstances.

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