SF5408-TR

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Diode Type:	Avalanche
Voltage - DC Reverse (Vr) (Max):	1000V
Current - Average Rectified (Io):	3A
Voltage - Forward (Vf) (Max) @ If:	1.7V @ 3A
Speed:	Fast Recovery = 200mA (Io)
Reverse Recovery Time (trr):	75ns
Current - Reverse Leakage @ Vr:	5µA @ 1000V
Capacitance @ Vr, F:	--
Mounting Type:	Through Hole
Package / Case:	SOD-64, Axial
Supplier Device Package:	SOD-64
Operating Temperature - Junction:	-55°C ~ 175°C
Base Part Number:	SF5408

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Overview

The SF5408-TR is a single-phase rectifier bridge with a surge current capability of 25A. It is suitable for switching power supplies, battery chargers, and applications that have high surge current capability. The SF5408-TR diode rectifier allows for low conduction losses and can significantly reduce power consumption.

Application Field

The SF5408-TR is suitable for a wide variety of applications, including but not limited to: • Telecom power supplies • Lighting systems • Uninterruptible power supplies (UPSs)• SMPS • Automotive chargers• DC-DC conversion• Other high power applications

Features and Benefits

The SF5408-TR features a surge current capability of 25A, low conduction losses, and excellent load regulation. It is able to withstand up to 25A peak surge current without damaging the device. It has low forward voltage drop, which reduces power consumption and conserves energy. Additionally, the SF5408-TR is RoHS compliant and is available in SMD packages, making it suitable for cost-effective, high-performance applications.

Working Principle

The SF5408-TR is a single-phase rectifier bridge that provides a DC output. The device consists of four diodes that are connected in a bridge configuration, allowing current flow from both directions. The diodes act as rectifiers, and allow current to flow in only one direction, allowing for a constant DC output. The SF5408-TR diode rectifier is designed to prevent the flow of electrical current in the opposite direction, allowing for efficient power conversion. When the SF5408-TR is energized, one of the diodes becomes forward biased and conducts electricity, while the other diodes become reverse biased and prevent current from flowing through them. The voltage of the output is always lower than the input voltage, and this is due to the forward voltage drop of the diodes. This voltage drop increases at high currents, but is still maintained at an acceptable level, ensuring the power conversion is always efficient.

Conclusion

The SF5408-TR diode rectifier is a reliable and efficient device that is suitable for a wide range of applications. It provides low conduction losses, excellent load regulation, and can withstand high surge currents. This makes it suitable for applications such as telecom power supplies, lighting systems, and UPSs. Additionally, the device is RoHS compliant, and is available in SMD packages, allowing it to be used in cost-effective applications.

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