SRAF550 C0G

Series:	--
Packaging:	Tube
Part Status:	Active
Diode Type:	Schottky
Voltage - DC Reverse (Vr) (Max):	50V
Current - Average Rectified (Io):	5A
Voltage - Forward (Vf) (Max) @ If:	700mV @ 5A
Speed:	Fast Recovery = 200mA (Io)
Current - Reverse Leakage @ Vr:	500µA @ 50V
Capacitance @ Vr, F:	--
Mounting Type:	Through Hole
Package / Case:	TO-220-2 Full Pack
Supplier Device Package:	ITO-220AC
Operating Temperature - Junction:	-55°C ~ 150°C

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Introduction to SRAF550 C0G

The SRAF550 C0G (Class 0G) of diodes, rectifiers and single products is widely used for switching power supplies, computer power supplies, sound systems, motor drives, DC-DC power converters and more. With its key characteristics such as low reverse leakage current and high forward voltage, the SRAF550 C0G provides a powerhouse of dependability and performance.

Background of SRAF550 C0G

The SRAF550 C0G is a silicon rectifier diode, developed in 2014 by Nexperia Semiconductors as part of their GP/Power product portfolio. It is capable of providing fast switching times, low leakage current and high forward voltage. This device is available in an EIA-289 option, but many other packages and options are also available. It is suitable for applications requiring a high peak pulse current such as in power converters.

Advantages and Features of SRAF550 C0G

The SRAF550 C0G provides several advantages and features, allowing it to be utilized for a wide range of applications. These include:

• Low reverse leakage current of less than 5µA (@25°C)
• High forward voltage of up to 500V (@125°C)
• High current capabilities, up to 2.5A peak @TA=45°C
• High peak-inverse-voltage (PIV) ratings up to 600V for increased reliability
• Multiple mounting options, including DIP and SMD
• Wide temperature range (-55°C to 125°C)

Applications of SRAF550 C0G

The SRAF550 C0G can be applied in several fields and applications, including:

• Switching Power Supplies – due to its low reverse leakage and high voltage ratings, it is an ideal solution for high-efficiency switching power supplies that require low power usage and long-term reliability.
• Computer Power Supplies – due to its high peak current capabilities and high voltage ratings, it is an excellent choice for powering computer systems and components, allowing for increased power density and efficiency.
• Sound Systems – with its high-voltage capability, the SRAF550 C0G is suitable for use in sound systems where precision and quality of sound are paramount.
• Motor Drives – the low reverse leakage current and wide temperature range of the SRAF550 C0G make it a great choice for motor drives.
• DC-DC Power Converters – the SRAF550 C0G can be used for high-efficiency DC-DC power conversions, allowing for improved power efficiency and stability.

Working Principle of SRAF550 C0G

The SRAF550 C0G is a four-layer, silicon-based rectifier diode that consists of two p+ layers and two n+ layers. It operates on the basic principles of conductivity and blocking diode action. When the diode is forward biased, the two p+ layers become conductive. When the diode is reverse biased, the blocking action occurs and current flow is blocked. The SRAF550 C0G can handle high peak currents of up to 2.5A @ 45°C, with low on-state resistance and high forward voltage due to its design. It can also handle high reverse voltages up to 600V due to its trench construction. Its low reverse leakage current of less than 5µA @ 25°C allows for increased efficiency and system longevity.

Conclusion

The SRAF550 C0G diode is a powerful, efficient, and reliable device designed for a wide range of switching and DC-DC conversion applications. With its low reverse leakage current and high forward voltage capability, the SRAF550 C0G can provide years of reliable performance in a wide variety of power supplies, computer power supplies, sound systems, motor drives, and DC-DC converters. Its design ensures performance in both standard and extreme temperature environments and is able to handle high peak currents while maintaining low on-state resistance.

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