SFS30481R5B

Current - Output (Max):	10.4A
Supplier Device Package:	--
Size / Dimension:	1.52" L x 1.23" W x 0.31" H (38.7mm x 31.2mm x 8.0mm)
Mounting Type:	Surface Mount
Efficiency:	87.5%
Operating Temperature:	-40°C ~ 85°C (With Derating)
Features:	--
Applications:	ITE (Commercial)
Voltage - Isolation:	1.5kV
Power (Watts):	16W
Series:	SFS
Voltage - Output 4:	--
Voltage - Output 3:	--
Voltage - Output 2:	--
Voltage - Output 1:	1.5V
Voltage - Input (Max):	76V
Voltage - Input (Min):	36V
Number of Outputs:	1
Type:	Isolated Module
Part Status:	Active

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SFS30481R5B Application Field and Working Principle

DC-DC converters are essential for a wide variety of applications. The SFS30481R5B DC-DC converter is a highly efficient, fully regulated, flexible, high current converter that operates from a single, two or three-phase AC source. It offers superior energy conversion efficiency and reliability for a wide range of applications, including motor drives, solar and wind energy, power supplies, telecommunications and industrial control.The SFS30481R5B DC-DC converter is designed to meet the requirements of high-efficiency switching power supplies. It offers a high power factor of 0.97 and low input current harmonic distortion, making it suitable for critical applications. The converter also has high-current surge capabilities of up to twice the rated current. In addition, it has over-temperature and over-current protection for increased safety.The SFS30481R5B is built with a forward-looking converter topology. The design of its switching waveform helps to reduce harmonic distortions and switching losses, resulting in improved efficiency and lower output ripple. The installation of small-sized low-profile components on the printed circuit board also reduces size and weight, making the converter easier to install and maintain.The SFS30481R5B DC-DC converter\'s primary application is as a medium-frequency high-power Welder Device Interface (WDI) for welding motors. WDI is used to deliver a high peak current to the Welding motor during the welding cycle. The high power and efficiency of the SFS30481R5B makes it particularly suitable for this application. The converter is also suitable for use in high-power DC drives, rectifier modules, DC distribution systems and telecom systems.The SFS30481R5B DC-DC converter works by switching a DC supply voltage of between 30 and 50V, depending on the application. The input AC supply voltage is transform to the DC supply voltage by an isolated transformer. The output is regulated by controlling the DC switches, which modulate the current and voltage to deliver the demanded power and voltage. The transfer of energy from the transformer to the output is achieved by the Pulse Width Modulation (PWM) control circuit.The SFS30481R5B DC-DC converter offers excellent power conversion efficiency of up to 95%, extremely low current ripple and a wide temperature range of up to 85°C. In addition, it offers protection against short circuit, over-voltage, over-current and over-temperature, ensuring the safety of the system and its components.The SFS30481R5B DC-DC converter is a highly efficient, reliable and compact device for a wide range of applications. From motor drives and solar panels to power distribution and rectifier modules, the converter can be used for a variety of functions, making it a versatile and reliable choice for any industrial application. With its wide operating temperature range, high efficiency and small size, the SFS30481R5B DC-DC converter is perfect for any application requiring reliable and high-performance power conversion.

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