PSAA20R-480-R-C4

Polarization:	Positive Center
Weight:	0.375 lb (170.1g)
Cord Length:	59" (1.50m)
Input Connector:	Multi-Blade
Approvals:	CE, cULus
Size / Dimension:	2.82" L x 1.97" W x 1.22" H (71.7mm x 50.0mm x 31.0mm)
Output Connector:	Barrel Plug, 1.35mm I.D. x 3.5mm O.D. x 10.0mm
Operating Temperature:	0°C ~ 40°C
Efficiency:	Level V
Applications:	ITE (Commercial)
Series:	PSAA20R
No Load Power Consumption:	300mW (Max)
Power (Watts):	20W
Current - Output (Max):	420mA
Voltage - Output:	48V
Voltage - Input:	90 ~ 264 VAC
Input Type:	Multi-Blade (Sold Separately)
Form:	Wall Mount
Region Utilized:	International
Part Status:	Obsolete

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Introduction

The PSAA20R-480-R-C4 is a type of AC/DC desktop, wall adapter that provides a reliable power supply for electronic devices. It is typically used to power laptops, computers, small electronic devices and other consumer electronics. It has a single-phase AC input, with voltage range of up to 240VAC and current range of up to 10A. The output is a DC voltage with adjustable DC voltage up to 48V and current up to 10A.

Application Field

This AC/DC desktop, wall adapter is a great choice for powering electronic devices, such as:

• Laptops and computers
• Mobile devices and tablets
• Small electronic devices
• Televisions and monitors
• Sound systems and audio equipment
• Medical equipment
• Industrial control systems and robotics
• Network communication systems

It is also ideal for applications where the output voltage and current need to be exactly controlled. It can power high-power electronics such as laptop computers, audio systems, and industrial control systems without dropping the voltage and current to an unacceptable level.

Working Principle

The AC/DC desktop, wall adapter works on the principle of transformers. The transformer is an electrical device consisting of two or more coils of insulated wire wound around a ferrimagnetic core. When an AC voltage is applied to the primary coil, it creates a varying magnetic field which induces an AC voltage in the secondary coil. This induced AC voltage in the secondary coil is then rectified to a DC voltage, which is the required output of the adapter. The design of PSAA20R-480-R-C4 is relatively straightforward. It consists of a magnetic isolation transformer, a rectifier, an adjustable DC voltage regulator, and filter components.The AC current is first transmitted to the magnetic isolation transformer, which reduces the input voltage and current. This is done to ensure the safety of the user. The AC current is then converted to a DC voltage by a rectifier, which is typically a bridge rectifier. The DC voltage is further regulated by an adjustable DC voltage regulator to the desired output voltage. Filter circuitry is also included to reduce the amount of ripple voltage in the output.

Conclusion

The PSAA20R-480-R-C4 is a reliable AC/DC desktop, wall adapter that can be used to power a variety of electronic devices. It is ideal for those applications where you need to precisely control the output voltage and current, such as laptop computers, audio systems, and industrial control systems. This adapter works on the principle of transformers, rectifiers, and adjustable DC voltage regulators.

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