10 PCS DD4012SB_5V DC 5-40V To 5V Step-Down Buck Converter Replace 7805 78M05 78L05 AMS1117 LM2596 LM338 TO-220 Transistor

10 PCS DD4012SB_5V DC 5-40V To 5V Step-Down Buck Converter Replace 7805 78M05 78L05 AMS1117 LM2596 LM338 TO-220 Transistor
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sku: 1005007938025808
$26.65
Shipping from: China
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