420AS20045

Power (Watts):	9W
Cord Length:	72" (1.83m)
Input Connector:	NEMA 1-15P
Approvals:	cULus
Size / Dimension:	1.83" L x 2.05" W x 2.84" H (46.5mm x 52.0mm x 72.0mm)
Output Connector:	Barrel Plug R/A, 2.1mm I.D. x 5.5mm O.D. x 12.5mm
Operating Temperature:	-10°C ~ 40°C
Efficiency:	--
Applications:	ITE (Commercial)
No Load Power Consumption:	--
Series:	420AS
Current - Output (Max):	450mA
Voltage - Output:	20VAC
Voltage - Input:	120VAC
Input Type:	Fixed Blade
Form:	Wall Mount (Class II)
Region Utilized:	North America
Lead Free Status / RoHS Status:	--
Part Status:	Obsolete

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AC AC Wall Adapters

The 420AS20045 AC AC Wall Adapter is a common power converter used for transforming an alternating current (AC) source to a regulated direct current (DC) output. The wall adapter is a widely used power conversion device with a variety of functions, from powering personal electronics to industrial production. This article covers the application field and working principle of the 420AS20045 AC AC Wall Adapter.

Application Field of 420AS20045

The 420AS20045 AC AC Wall Adapter is a multi-purpose power adapter that can be used in different types of applications. It is commonly used to provide regulated DC power for personal electronics, such as phones, tablets, laptops, etc. In industry, it can be used for powering tools and other production equipment. The adapter has a wide input voltage range of 90 to 264 Volts AC, allowing it to be used in a variety of countries. The adapter is also used to charge power-hungry devices such as electric vehicles and high-power robotic systems. It is also useful for providing backup power in case of sudden power outages, such as large-scale power outages due to natural disasters.

Working Principle of 420AS20045

The 420AS20045 AC AC Wall Adapter works on a basic principle of converting an AC current source into a regulated DC output. The adapter utilizes switches to convert AC sine waves to a DC output of the required voltage. These switches consist of transistors, rectifiers, and filters, which alternately switch the AC input into the DC output of the specified value.The adapter also contains a control circuit that monitors the output voltage. In the event the output voltage goes above or below the specified range, the control circuit will shut off the output. This provides protection against over-voltage and under-voltage conditions and helps to ensure stability of the output voltage. The adapter is also equipped with universal sockets, allowing it to be used with a variety of plugs. This is useful for providing a single power adapter for a variety of devices.

Conclusion

The 420AS20045 AC AC Wall Adapter is a versatile power adapter that can be used for a variety of applications. It is easy to use and provides a regulated DC output voltage. Additionally, it is equipped with universal sockets, allowing it to be used in different countries. The adapter utilizes switches and a control circuit to ensure that the output voltage is stable and within the specified range.

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