AC/DC-DC Converter Buck Switching Power Supply Bare Board 20W/24W AC90-264V to DC5V/9V/12V/15V/24V Step-down Power Supply Module

AC/DC-DC Converter Buck Switching Power Supply Bare Board 20W/24W AC90-264V to DC5V/9V/12V/15V/24V Step-down Power Supply Module

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