S1AFJ-M3/6A

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Diode Type:	Standard
Voltage - DC Reverse (Vr) (Max):	600V
Current - Average Rectified (Io):	1A
Voltage - Forward (Vf) (Max) @ If:	1.1V @ 1A
Speed:	Standard Recovery >500ns, > 200mA (Io)
Reverse Recovery Time (trr):	1.47µs
Current - Reverse Leakage @ Vr:	5µA @ 600V
Capacitance @ Vr, F:	7.9pF @ 4V, 1MHz
Mounting Type:	Surface Mount
Package / Case:	DO-221AC, SMA Flat Leads
Supplier Device Package:	DO-221AC (SlimSMA)
Operating Temperature - Junction:	-55°C ~ 150°C

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Introduction

The S1AFJ-M3/6A is a single diode rectifier that is used for a variety of applications. It uses Schottky technology to provide low forward voltage with minimum reverse current and low forward recovery time. This single-phase rectifier is suited for rectification in linear and switching power supplies, motor drives, and automotive applications.

Features

The S1AFJ-M3/6A has a variety of features that make it an attractive rectifier for both general purpose and specialty applications. These features include:- Operating temperature range of -55°C to +175°C- Low forward voltage- Low forward recovery time- Low reverse current- High current rating

Application Fields

The S1AFJ-M3/6A is suitable for a wide range of applications, including: - Rectification of AC signals in power inverters, UPSs, audio amplifiers, and other non-isolated power supplies.- Battery charging and discharging. - Automotive applications, including speed controllers and engine starters.- Motor drives.- DC-DC converters, including high-side, low-side, and double-sided switch converters.- Solenoid and relay driving.- AC adapters.

Working Principle

The working principle of the S1AFJ-M3/6A is based on the Schottky diode. A Schottky diode is a semiconductor device that exhibits a low forward voltage drop and low reverse current, making it well-suited for rectification applications. When a positive voltage is applied to the anode of the diodes, a small electric current (known as “leakage” current) begins to flow through it. This current is much smaller than the forward current that will flow when the diode is forward biased. As the forward-bias voltage increases, the forward current also increases exponentially and the voltage across the diode remains constant at the “forward-bias voltage” or “schottky voltage” of the device. This voltage is usually lower than the forward breakover voltage of a regular diode. The reverse current (leakage current) flows even when the diode is reverse biased, but it is very low and typically in the order of milliamperes. When the reverse voltage is increased beyond the “reverse breakdown voltage” of the device, the reverse current increases exponentially. The reverse current can usually be limited to a safe level with a series resistor.

Conclusion

The S1AFJ-M3/6A is a single-phase rectifier that is suitable for a variety of applications. It offers low forward voltage and low reverse current, as well as high current ratings. The device works on the principle of the Schottky diode, with a low forward bias voltage and low reverse current. Its features make it suitable for rectification applications such as power inverters, battery charging and discharging, automotive applications, motor drives, and AC adapters.

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