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Dc-dc Step-down Power Supply Regulator Module 3A Adjustable DC Input 9-120V Output 5V 12V 

USD 1.90USD 2.76

Dc-dc Step-down Power Supply Regulator Module 3A Adjustable DC Input 9-120V Output 5V 12V 

Description
Specification
MDF18N50 18N50 to-220
USD 5.64USD 6.80
10pcs NS4890B 4890B MSOP8
USD 4.98USD 6.00
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