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

LM317 Adjustable Voltage Regulator Power Supply DC-DC 4.2-40V To 1.2-37V Converter Buck Step Down Circuit Board Module
sku: 1005004893279691
$0.35
Shipping from: China
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