Series:	--
Packaging:	Bulk
Part Status:	Active
Diode Type:	Schottky
Voltage - DC Reverse (Vr) (Max):	20V
Current - Average Rectified (Io):	35A
Voltage - Forward (Vf) (Max) @ If:	680mV @ 35A
Speed:	Fast Recovery = 200mA (Io)
Current - Reverse Leakage @ Vr:	1.5mA @ 20V
Capacitance @ Vr, F:	--
Mounting Type:	Chassis, Stud Mount
Package / Case:	DO-203AA, DO-4, Stud
Supplier Device Package:	DO-4
Operating Temperature - Junction:	-55°C ~ 150°C

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Introduction

The MBR3520 is a single diode rectifier specifically designed for power applications and is versatile enough to work in a wide range of applications. The device provides excellent rectification performance and is suitable for lower power rectification applications. It is designed to accommodate the needs of high speed switching circuits and pulse-width modulation (PWM) schemes. In addition, it has a low forward voltage drop and a high current handling capacity which promises a better efficiency and reduced power losses.

Application Field

The MBR3520 rectifier is primarily used in AC/DC applications such as consumer appliances, automotive and industrial power converters, motor control, and home applications. Its ability to withstand high reverse voltages and current levels, makes it suitable for use in high power AC to DC rectification applications. It is also commonly used in AC power supplies, battery chargers and solar panel applications.

Working Principle

The MBR3520 diode rectifier is a single device made up of two separate PN junctions which work together to provide a rectified AC signal. The two PN junctions, P1 and P2, are in two distinct layers of the device. When voltage is applied to the anode and cathode, charge carriers from the P1 junction are injected into the P2 junction, thereby allowing current to pass through the device. During the positive half cycle, P1 turns on earlier than P2, allowing the forward current to be transferred to the load. On the negative half cycle, P2 turns on earlier than P1, blocking the reverse current from flowing back to the source. In effect, the MBR3520 introduces no voltage drop or distortion during the rectification process. The MBR3520 is designed to have a low forward voltage drop, allowing a higher efficiency to be achieved. Additionally, the high current handling capacity of the device helps to reduce power losses.

Conclusion

The MBR3520 diode rectifier offers excellent performance with low forward voltage drop and high current handling capacity, making it suitable for AC/DC applications as well as motor control, AC power supplies, battery chargers, and solar panel applications. It has the capacity to handle large currents and high reverse voltages which make it ideal for applications requiring high power AC to DC rectification.

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