SB550

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Diode Type:	Schottky
Voltage - DC Reverse (Vr) (Max):	50V
Current - Average Rectified (Io):	5A
Voltage - Forward (Vf) (Max) @ If:	670mV @ 5A
Speed:	Fast Recovery = 200mA (Io)
Current - Reverse Leakage @ Vr:	500µA @ 50V
Capacitance @ Vr, F:	380pF @ 4V, 1MHz
Mounting Type:	Through Hole
Package / Case:	DO-201AD, Axial
Supplier Device Package:	DO-201AD
Operating Temperature - Junction:	-55°C ~ 150°C
Base Part Number:	SB550

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Introduction

The SB550 is a single diode rectifier for use in power conversion applications. It is rated for use in switching-type power applications up to 1000 volts and is UL-certified for use in home, commercial and industrial power circuits. This article will discuss the application field and working principle of the SB550.

Applications

The SB550 is a robust and reliable diode rectifier suitable for a wide range of power applications. It is particularly suitable for switching type applications where very fast switching speeds are required or high input and output voltages are in use. Among its applications are power rectification, power factor correction, and other circuits where efficient power conversion is desired. It also finds application in variable-frequency drives, DC motor starters and LED lighting. Its ultrafast switching speeds make it well-suited for use in high-speed circuits, where fast diode recovery speeds are required and voltage and current spikes must be controlled. Additionally, due to its robust construction, the SB550 can be used in very high power applications.

Working Principle

The basic functionality of a diode rectifier is to convert AC current to DC current. This is achieved by allowing current to flow in one direction from the AC source, while blocking the current flow in the reverse direction. The SB550 rectifier is designed to perform this conversion with an efficiency of up to 95%.The SB550 is a single-phase rectifier, and uses current, not voltage, control. This means that the current passing through the diode is always at a fixed level, while the voltage is allowed to fluctuate. This allows for greater control over the input and output current, which can be adjusted depending on the application.

Conclusion

In conclusion, the SB550 is a robust and reliable diode rectifier suitable for use in power conversion applications. It is particularly suitable for switching type applications where very fast switching speeds are required or high input and output voltages are in use. Its ultrafast switching speeds make it well-suited for use in high-speed circuits, where fast diode recovery speeds are required and voltage and current spikes must be controlled. Additionally, due to its robust construction, the SB550 can be used in very high power applications.

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