QPSF-125-48

Power (Watts):	125W
Approvals:	CB, CE, cURus
Minimum Load Required:	--
Size / Dimension:	5.00" L x 2.99" W x 1.20" H (127.0mm x 76.0mm x 30.5mm)
Mounting Type:	Chassis Mount
Features:	Adjustable Output, PFC, Remote Sense, Universal Input
Operating Temperature:	-20°C ~ 70°C (With Derating)
Efficiency:	88%
Voltage - Isolation:	3kV
Applications:	ITE (Commercial)
Series:	QPSF-125
Current - Output (Max):	2.6A
Voltage - Output 4:	--
Voltage - Output 3:	--
Voltage - Output 2:	--
Voltage - Output 1:	48V
Voltage - Input:	90 ~ 264 VAC
Number of Outputs:	1
Type:	Open Frame
Part Status:	Active

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AC DC Converters

AC DC converters, also known as AC-DC adapters, are a device that converts an alternating current (AC) input to a direct current (DC) output. AC-DC adapters are used in a wide variety of applications where a computer or appliance requires a low-voltage DC power supply. One such example is the QPSF-125-48 AC-DC converter, which is a low-cost, low-power unit that is designed to be used as a bench-top power supply or as a building block component for other power supply systems.The QPSF-125-48 AC-DC converter is a compact and lightweight unit that provides a regulated output voltage of 12V, 48V, or 125V DC. The unit is designed to operate from a single AC input voltage of 90 – 265V AC. The high efficiency switching power supply provides short-circuit and overload protection, and it includes an input fuse and an EMI suppressor. The unit is also designed to be compliant with global safety standards such as UL, CSA, and CE.The working principle for the QPSF-125-48 AC-DC converter is based on the amplification of an alternating current input signal to create a direct current output. The device achieves this through a series of switching operations that increase the amplitude of the input voltage, rectify the signal, and then filter the output to provide the desired level of DC voltage.The basic components of the QPSF-125-48 AC-DC converter are an input power source, an AC-DC rectifier, a filter inductor, an EMI suppressor, and a DC output transformer. The input power source is typically an AC mains supply that is filtered to remove any high-frequency noise that may be present. The AC-DC rectifier then converts the alternating current input into a rectified DC signal. The rectified DC is then passed through the filter inductor, which acts as a low-pass filter, further removing any high-frequency components from the signal. The EMI suppressor is used to reduce any electromagnetic interference that may be generated as a result of the switching operations. Finally, the DC output transformer is used to convert the voltage to the desired output level.The features of the QPSF-125-48 AC-DC converter make it an ideal choice for a wide variety of applications, including automotive, lighting control systems, and consumer electronics. The unit is easy to install and provides a reliable and stable source of power for powering gadgets and appliances. In addition, the unit provides low-noise operation and is designed to meet the requirements of global safety standards.

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