A switch-mode power supply (switching-mode power supply or SMPS) is an electronic power supply that uses a switching regulator in order to control the conversion of electrical power in a highly efficient manner. This higher efficiency (thus lower heat dissipation) is the chief advantage of a switched-mode power supply.
100W 220VAC-24VDC 4.5A Switched Mode Power Supply SMPS For LED
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Shure PS24US Energy-efficient external switching mode 12V DC Power Supply (New)
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