{"product_id":"ca-901-12v-24v-step-down-power-module-lcd-tv-voltage-regulator","title":"CA-901 12V\/24V Step-Down Power Module for 46\" LCD TV","description":"\n\u003ch2\u003eCA-901 Step-Down Power Module — Stable Voltage Regulation for LCD TVs \u0026amp; Electronics\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eCA-901 Step-Down Power Module\u003c\/strong\u003e is a compact, high-performance voltage regulator designed for 46-inch LCD TVs and a wide range of electronics. Utilizing \u003cstrong\u003eDC sampling and TL431 voltage regulation feedback\u003c\/strong\u003e, this module delivers precise, stable output voltage — making it an excellent replacement or upgrade power solution for living room entertainment systems and DIY electronics projects.\u003c\/p\u003e\n\n\u003cp\u003eMade in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSelectable 12V or 14V Output:\u003c\/strong\u003e Simply connect the corresponding pads to switch between 12V and 14V output — flexible for multiple applications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDefault Factory Voltage: 24V\u003c\/strong\u003e — ready to use right out of the box for standard setups.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTL431 Voltage Regulation Feedback:\u003c\/strong\u003e Ensures excellent voltage stability, minimizing fluctuations for sensitive LCD TV circuitry.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh Performance \u0026amp; Low Power Consumption:\u003c\/strong\u003e Engineered to be energy-efficient while maintaining reliable output.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Voltage Regulation Range:\u003c\/strong\u003e Handles 12V and 24V input scenarios, making it versatile across various electronics.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact PCB Design:\u003c\/strong\u003e Small footprint (1.34 × 1.06 in \/ 3.4 × 2.7 cm) fits easily into tight spaces.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEasy Installation:\u003c\/strong\u003e Streamlined connection layout — just follow the included wiring diagram and connect to your required output voltage.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEU LVD Compliant:\u003c\/strong\u003e Operates at low voltage (below 50Vac or 75Vdc) for safer use.\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\u003eCA-901\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePCB\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12V \/ 24V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12V \/ 14V (selectable)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDefault Factory Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e24V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.34 × 1.06 in \/ 3.4 × 2.7 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEU LVD Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBelow 50Vac or 75Vdc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePackage Includes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1, 2, or 3 × CA-901 Step-Down Module (quantity as selected)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eImportant Notes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eProduct photos are for illustration purposes; please refer to the written specifications for exact dimensions.\u003c\/li\u003e\n  \u003cli\u003eAllow minor differences due to manual measurement.\u003c\/li\u003e\n  \u003cli\u003eActual color may vary slightly due to monitor display differences.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eYou May Also Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/10pcs-2-pin-quick-splice-spring-wire-connectors-lock-terminals\"\u003e10pcs 2-Pin Spring Wire Connectors – Quick Splice Lock Terminals\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/12pcs-16mm-momentary-push-button-switch-1no-metal-2-pin-self-reset\"\u003e12pcs 16mm Momentary Push Button Switch 1NO Metal 2-Pin Self-Reset\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/stainless-steel-self-tapping-screws-m2-2-m4-8-phillips-wood-hinge\"\u003e10PCS Stainless Steel Self-Tapping Screws M2.2–M4.8 Phillips\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 is the CA-901 step-down module used for?\u003c\/h4\u003e\n\u003cp\u003eA: The CA-901 is a DC step-down power module primarily designed for 46-inch LCD TVs, but it is also suitable for a variety of electronics projects that require stable 12V or 14V regulated voltage output from a 12V or 24V input source.\u003c\/p\u003e\n\u003ch4\u003eQ: How do I select between 12V and 14V output on the CA-901?\u003c\/h4\u003e\n\u003cp\u003eA: Simply connect the corresponding pads on the PCB board to switch the output between 12V and 14V. The module ships with a default factory voltage of 24V, and the wiring diagram guides you through the setup process.\u003c\/p\u003e\n\u003ch4\u003eQ: What are the dimensions of the CA-901 module?\u003c\/h4\u003e\n\u003cp\u003eA: The CA-901 measures 1.34 × 1.06 inches (3.4 × 2.7 cm), making it a compact solution that fits easily into electronics enclosures or TV chassis assemblies.\u003c\/p\u003e\n\u003ch4\u003eQ: Is the CA-901 safe to use with standard home electronics?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The CA-901 operates at low voltage levels (below 50Vac or 75Vdc), which complies with EU Low Voltage Directive (LVD) standards, making it suitable for safe use in household electronics and entertainment systems.\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 is the CA-901 step-down module used for?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The CA-901 is a DC step-down power module primarily designed for 46-inch LCD TVs, but it is also suitable for a variety of electronics projects that require stable 12V or 14V regulated voltage output from a 12V or 24V input source.\"}}, {\"@type\": \"Question\", \"name\": \"How do I select between 12V and 14V output on the CA-901?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Simply connect the corresponding pads on the PCB board to switch the output between 12V and 14V. 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