LM317 Adjustable Voltage Linear Regulator Power Supply Module DC-DC 4.2-40V To 1.2-37V Step Down Buck Converter Board

LM317 Adjustable Voltage Linear Regulator Power Supply Module DC-DC 4.2-40V To 1.2-37V Step Down Buck Converter Board
sku: 4000262174489
$0.36
Shipping from: China
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