{"product_id":"9v-1a-ac-to-dc-power-supply-adapter-5-5mm-x-2-1mm-barrel-jack","title":"9V 1A AC to DC Power Supply Adapter (5.5mm x 2.1mm Barrel Jack)","description":"\u003cp data-path-to-node=\"4\"\u003eWhen your electronics project outgrows the standard 5-Volt USB power or requires a higher voltage for motor drivers and analog sensors, this 9-Volt, 1-Amp AC to DC power adapter is the perfect solution. Designed to convert fluctuating household AC wall power into a clean, stable 9-Volt DC output, it acts as the primary lifeblood for a massive variety of hobbyist and commercial electronics. It is specifically famous for being the absolute standard, highly recommended power supply for classic development boards like the Arduino Uno and Arduino Mega.\u003c\/p\u003e\n\u003cp data-path-to-node=\"5\" id=\"p-rc_a910d9a0f35e2292-137\"\u003e\u003cspan class=\"citation-212 citation-end-212\"\u003eEquipped with the universally recognized 5.5mm by 2.1mm center-positive barrel plug, this adapter offers true plug-and-play convenience.\u003csup class=\"superscript\" data-turn-source-index=\"1\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e Capable of delivering up to 1 Amp (1000 milliamps) of continuous current, it provides more than enough power to run a microcontroller alongside several peripheral modules, LCD screens, or small DC motors without experiencing the voltage sag that causes logic chips to randomly reset. Built with internal switching technology, it ensures efficient power delivery while remaining remarkably cool during continuous operation. \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"6\"\u003e\u003cb data-path-to-node=\"6\" data-index-in-node=\"0\"\u003eKey Features \u0026amp; Functional Advantages\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"7\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,0,0\" id=\"p-rc_a910d9a0f35e2292-138\"\u003e\u003cspan class=\"citation-211\"\u003e\u003c\/span\u003e\u003cb data-path-to-node=\"7,0,0\" data-index-in-node=\"0\"\u003e\u003cspan class=\"citation-211\"\u003eUniversal Input Voltage:\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-211 citation-end-211\"\u003e Readily accepts AC wall power ranging from 100 Volts to 240 Volts, making it functional worldwide without needing a heavy step-down transformer.\u003csup class=\"superscript\" data-turn-source-index=\"2\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,1,0\"\u003e\u003cb data-path-to-node=\"7,1,0\" data-index-in-node=\"0\"\u003eStandardized Connector:\u003c\/b\u003e Features the industry-standard 5.5mm outer diameter and 2.1mm inner diameter DC barrel jack, ensuring instant compatibility with countless development boards and consumer devices.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,2,0\" id=\"p-rc_a910d9a0f35e2292-139\"\u003e\u003cspan class=\"citation-210\"\u003e\u003c\/span\u003e\u003cb data-path-to-node=\"7,2,0\" data-index-in-node=\"0\"\u003e\u003cspan class=\"citation-210\"\u003eCenter-Positive Polarity:\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-210 citation-end-210\"\u003e Wired in the modern standard configuration where the inner tip of the plug carries the positive voltage, protecting standard devices from reverse-polarity damage.\u003csup class=\"superscript\" data-turn-source-index=\"3\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,3,0\"\u003e\u003cb data-path-to-node=\"7,3,0\" data-index-in-node=\"0\"\u003eClean Power Delivery:\u003c\/b\u003e Utilizes internal switching technology to provide a smooth, regulated 9-Volt output that keeps sensitive digital logic chips and on-board voltage regulators perfectly stable.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,4,0\" id=\"p-rc_a910d9a0f35e2292-140\"\u003e\u003cspan class=\"citation-209\"\u003e\u003c\/span\u003e\u003cb data-path-to-node=\"7,4,0\" data-index-in-node=\"0\"\u003e\u003cspan class=\"citation-209\"\u003eBuilt-in Protections:\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-209 citation-end-209\"\u003e Engineered with internal safeguards against short circuits, over-current draws, and overheating, preventing damage to both the adapter and your connected electronics.\u003csup class=\"superscript\" data-turn-source-index=\"4\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"8\"\u003e\u003cb data-path-to-node=\"8\" data-index-in-node=\"0\"\u003ePerfect For\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"9\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,0,0\"\u003e\u003cb data-path-to-node=\"9,0,0\" data-index-in-node=\"0\"\u003eArduino Development:\u003c\/b\u003e The absolute standard wall power supply for providing the perfect input voltage directly to the barrel jack of an Arduino Uno, Mega, or Leonardo.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,1,0\"\u003e\u003cb data-path-to-node=\"9,1,0\" data-index-in-node=\"0\"\u003eMotor Controllers:\u003c\/b\u003e Providing the higher voltage necessary to drive small robotics motors via an L298N or similar motor driver module.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,2,0\"\u003e\u003cb data-path-to-node=\"9,2,0\" data-index-in-node=\"0\"\u003eNetwork Equipment:\u003c\/b\u003e Serving as a reliable replacement power supply for household routers, modems, and network switches that require 9 Volts.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,3,0\"\u003e\u003cb data-path-to-node=\"9,3,0\" data-index-in-node=\"0\"\u003eDIY Electronics:\u003c\/b\u003e Powering custom breadboard power supply modules that require a DC input greater than 5 Volts to regulate properly.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"10\"\u003e\u003cb data-path-to-node=\"10\" data-index-in-node=\"0\"\u003eTechnical Specifications\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"11\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,0,0\"\u003e\u003cb data-path-to-node=\"11,0,0\" data-index-in-node=\"0\"\u003eDevice Type:\u003c\/b\u003e AC to DC Wall Power Supply\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,1,0\"\u003e\u003cb data-path-to-node=\"11,1,0\" data-index-in-node=\"0\"\u003eInput Voltage:\u003c\/b\u003e 100 Volts to 240 Volts AC (50\/60 Hertz)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,2,0\"\u003e\u003cb data-path-to-node=\"11,2,0\" data-index-in-node=\"0\"\u003eOutput Voltage:\u003c\/b\u003e 9.0 Volts DC\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,3,0\" id=\"p-rc_a910d9a0f35e2292-141\"\u003e\u003cspan class=\"citation-208\"\u003e\u003c\/span\u003e\u003cb data-path-to-node=\"11,3,0\" data-index-in-node=\"0\"\u003e\u003cspan class=\"citation-208\"\u003eMaximum Output Current:\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-208 citation-end-208\"\u003e 1.0 Amp (1000 milliamps)\u003csup class=\"superscript\" data-turn-source-index=\"5\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,4,0\" id=\"p-rc_a910d9a0f35e2292-142\"\u003e\u003cspan class=\"citation-207\"\u003e\u003c\/span\u003e\u003cb data-path-to-node=\"11,4,0\" data-index-in-node=\"0\"\u003e\u003cspan class=\"citation-207\"\u003eMaximum Output Power:\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-207 citation-end-207\"\u003e 9 Watts\u003csup class=\"superscript\" data-turn-source-index=\"6\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,5,0\"\u003e\u003cb data-path-to-node=\"11,5,0\" data-index-in-node=\"0\"\u003eConnector Type:\u003c\/b\u003e 5.5mm x 2.1mm DC Barrel Plug\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,6,0\"\u003e\u003cb data-path-to-node=\"11,6,0\" data-index-in-node=\"0\"\u003ePolarity:\u003c\/b\u003e Center-Positive\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"K-TECHNICS","offers":[{"title":"Default Title","offer_id":42871197171783,"sku":null,"price":0.0,"currency_code":"KES","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0680\/7637\/2039\/files\/9V-1A-UK-Plug-Adapter_0b60f9d5-a967-4171-bb13-0bea1540dc85.webp?v=1781236863","url":"https:\/\/www.ktechnics.com\/products\/9v-1a-ac-to-dc-power-supply-adapter-5-5mm-x-2-1mm-barrel-jack","provider":"K-TECHNICS","version":"1.0","type":"link"}