Series:	--
Packaging:	Tape & Box (TB)
Part Status:	Active
Diode Type:	Schottky
Voltage - DC Reverse (Vr) (Max):	20V
Current - Average Rectified (Io):	5A
Voltage - Forward (Vf) (Max) @ If:	480mV @ 5A
Speed:	Fast Recovery = 200mA (Io)
Current - Reverse Leakage @ Vr:	500µA @ 20V
Capacitance @ Vr, F:	--
Mounting Type:	Through Hole
Package / Case:	DO-201AD, Axial
Supplier Device Package:	DO-201AD
Operating Temperature - Junction:	-65°C ~ 150°C
Base Part Number:	SB520

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Introduction

SB520-E3/73 is a single-phase rectifier diode. It is a high-power, high-efficiency, fast-switching product that is used in a variety of applications for electronic equipment. This diode has a wide range of applications that include power electronics and power systems, HVAC systems, medical equipment, motors and low-power/low-voltage systems. It also has a low forward voltage drop and reverse-recovery times.

Application Field

The SB520-E3/73 is a common component for power applications. It is often used for bi-directional full-wave rectification, which involves switching alternating current (AC) power sources to direct current (DC) power sources. The diode can also be used to enable current flow in one direction while blocking any reverse current flow. This is helpful for protecting downstream components from voltage spikes. The SB520-E3/73 is also useful in motor control applications, as it can be used as an on/off switch for motor components. It can be used as a freewheel diode to prevent induction motor run-on after power is removed, or as a flyback diode to reduce voltage spikes in switching circuits.The SB520-E3/73 can be used for monitoring and regulating voltage levels, by controlling the rate of voltage changing in switch-mode power supplies and other high-frequency circuits. This can help to prevent prolonged inrush currents or malfunctioning components.

Working Principle

A rectifier diode, like the SB520-E3/73, works through the principle of PN junction diode. When a DC voltage, or an AC voltage of the correct polarity, is applied to the diode, current flows from the anode to the cathode, but not in the opposite direction. This is due to the diode\'s ability to act as a one-way valve and will allow current to pass when forward biased.When the voltage is reversed, the diode becomes reverse biased and blocks any current flow. The ability of the diode to block current in this manner is what allows it to be used as a generator of DC power and as a protective component in various circuits.The SB520-E3/73 has a low forward voltage drop, which is the voltage that appears across the component when it is conducting. This helps to maximize efficiency and optimize power output. The reverse recovery time of the diode is also fast, which maximizes power and reduces component size.

Conclusion

The SB520-E3/73 single-phase rectifier diode is a high-power component that is used in a variety of applications, including power electronics and systems, HVAC systems, motor control, and low power/low voltage systems. The diode is efficient and fast-switching, with a low forward voltage drop and high-speed reverse recovery time. For these reasons, the SB520-E3/73 is an ideal component for electronic equipment.

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