{"product_id":"dd4012sa-dc-dc-step-down-buck-converter-module-5-40v-1a","title":"DD4012SA DC-DC Step-Down Buck Converter 5-40V 1A Module","description":"\u003ch2\u003eDD4012SA DC-DC Step-Down Buck Converter Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eDD4012SA Step-Down Buck Converter\u003c\/strong\u003e is a compact, reliable voltage regulator module that accepts a wide DC input range of \u003cstrong\u003e5V–40V\u003c\/strong\u003e and steps it down to your choice of regulated output voltages: \u003cstrong\u003e3V, 3.3V, 3.7V, 5V, 6V, 7.5V, 9V, or 12V\u003c\/strong\u003e. With a maximum output current of \u003cstrong\u003e1A\u003c\/strong\u003e and a tiny SMD footprint of just 18.3 × 10.2 × 6.7 mm, this board is the perfect power management solution for hobbyists, electronics engineers, and DIY project builders.\u003c\/p\u003e\n\n\u003cp\u003eWhether you're powering microcontrollers, sensors, LED strips, or small computer peripherals, the DD4012SA delivers stable, consistent output voltage with minimal heat generation — making it ideal for embedded systems, breadboard prototyping, and custom electronics builds.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Input Range:\u003c\/strong\u003e Accepts DC input from 5V to 40V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMultiple Output Options:\u003c\/strong\u003e 3V, 3.3V, 3.7V, 5V, 6V, 7.5V, 9V, 12V — choose the voltage you need\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e1A Maximum Output Current:\u003c\/strong\u003e Suitable for a wide range of low-to-mid power applications\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact SMD Package:\u003c\/strong\u003e 18.3 × 10.2 × 6.7 mm — fits easily into tight spaces\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVoltage Regulator Type:\u003c\/strong\u003e DC-DC step-down (buck) converter for efficient power conversion\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e Compatible with computers, microcontrollers, Arduino\/Raspberry Pi projects, and more\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e Brand new\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDD4012SA\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5V – 40V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Voltage Options\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3V, 3.3V, 3.7V, 5V, 6V, 7.5V, 9V, 12V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax Output Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1A\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackage Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSMD Module\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e18.3 × 10.2 × 6.7 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box?\u003c\/h3\u003e\n\u003cp\u003e1× DD4012SA DC-DC Step-Down Buck Converter Module (output voltage as selected). \u003cem\u003eNote: Pin headers\/needle arrangement not included.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cp\u003eLooking to expand your DIY electronics or crafting projects? Check out these popular items from our store:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/round-aluminum-wire-diy-jewelry-making-1mm-3mm\"\u003eRound Aluminum Wire 1mm–3mm | DIY Jewelry Making Wire\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/ccb-flat-round-spacer-beads-diy-jewelry-making\"\u003e4\/6mm CCB Flat Round Spacer Beads DIY Jewelry Making 100-200pcs\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/gold-silver-drawstring-jewelry-gift-bags-pouches-50pcs\"\u003e50pcs Gold \u0026amp; Silver Drawstring Jewelry Gift Bags 7x9 9x12cm\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.epa.gov\/recycle\/used-lithium-ion-batteries\" target=\"_blank\" rel=\"noopener\"\u003eEPA guidance on lithium-ion battery handling\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What does the DD4012SA DC-DC step-down buck converter module do?\u003c\/h4\u003e\n\u003cp\u003eA: The DD4012SA is a voltage regulator module that takes a higher DC input voltage (5V–40V) and efficiently steps it down to a lower, stable output voltage. You can select from output options including 3V, 3.3V, 3.7V, 5V, 6V, 7.5V, 9V, and 12V, making it extremely versatile for powering different electronic components and circuits.\u003c\/p\u003e\n\u003ch4\u003eQ: What applications is the DD4012SA suitable for?\u003c\/h4\u003e\n\u003cp\u003eA: This compact buck converter module is ideal for computer electronics, Arduino and Raspberry Pi projects, microcontroller power supply, LED driver circuits, battery-powered devices, and any DIY electronics project that requires efficient step-down voltage regulation from a higher voltage source.\u003c\/p\u003e\n\u003ch4\u003eQ: Do I need to solder pin headers onto the DD4012SA module?\u003c\/h4\u003e\n\u003cp\u003eA: The module comes as an SMD (surface-mount) board. Pin headers or needle arrangements are \u003cstrong\u003enot included\u003c\/strong\u003e — you will need to source and solder these separately if required for your specific project setup. The board dimensions are 18.3 × 10.2 × 6.7 mm.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What does the DD4012SA DC-DC step-down buck converter module do?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The DD4012SA is a voltage regulator module that takes a higher DC input voltage (5V–40V) and efficiently steps it down to a lower, stable output voltage. 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