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

LM317 Adjustable Buck Voltage Power Supply Module DC-DC 4.2-40V to 1.2-37V Converter Step Down Circuit Board Linear Regulator
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sku: 1005004233032264
$0.46+42%
$0.65
Shipping from: China
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