{"product_id":"smart-cob-led-chip-20w-30w-50w-ac-110-220v-no-driver","title":"Smart COB LED Chip 20W 30W 50W AC 110-220V No Driver Needed","description":"\u003ch2\u003eSmart COB LED Chip — Driverless, High-Efficiency Lighting\u003c\/h2\u003e\n\u003cp\u003eUpgrade your DIY lighting projects with the \u003cstrong\u003eSmart COB LED Chip\u003c\/strong\u003e, available in 20W, 30W, and 50W configurations. Designed to operate directly on AC 110V–220V mains voltage, this integrated COB (Chip-on-Board) lamp bead eliminates the need for an external driver or separate power supply — simplifying installation and reducing component count for hobbyists, makers, and electronics enthusiasts alike.\u003c\/p\u003e\n\n\u003cp\u003eBuilt with a sturdy \u003cstrong\u003ealuminum substrate\u003c\/strong\u003e measuring \u003cstrong\u003e59.5 × 40 mm\u003c\/strong\u003e, the chip dissipates heat efficiently, helping to extend operational longevity. Choose from \u003cstrong\u003e4 emitting color options\u003c\/strong\u003e to match your specific application — whether you're building a floodlight, spotlight, DIY lamp, or custom lighting fixture.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNo External Driver Needed:\u003c\/strong\u003e Operates directly on AC 110V or 220V — fewer components, cleaner builds.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMultiple Wattages:\u003c\/strong\u003e Available in 20W, 30W, and 50W to suit a range of lighting intensity requirements.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCOB Technology:\u003c\/strong\u003e High-density chip-on-board design delivers bright, even light output with minimal hot spots.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAluminum Substrate:\u003c\/strong\u003e Efficient thermal management helps maintain stable performance over time.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e4 Color Options:\u003c\/strong\u003e Pick the emitting color that best fits your project or aesthetic.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact Form Factor:\u003c\/strong\u003e 59.5 × 40 mm size fits a wide variety of DIY enclosures and retrofit fixtures.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVersatile Use:\u003c\/strong\u003e Ideal for floodlights, spotlights, downlights, DIY lamps, and outdoor lighting builds.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWattage:\u003c\/strong\u003e 20W \/ 30W \/ 50W\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput Voltage:\u003c\/strong\u003e AC 110V – 220V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDriver:\u003c\/strong\u003e Not required (built-in smart IC)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSubstrate Material:\u003c\/strong\u003e Aluminum\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 59.5 × 40 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEmitting Colors:\u003c\/strong\u003e 4 options available\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e DIY floodlights, spotlights, downlights, outdoor fixtures\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWho Is This For?\u003c\/h3\u003e\n\u003cp\u003eThis COB LED chip is perfect for electronics hobbyists, makers, and DIY lighting enthusiasts who want a straightforward, high-output light source without the complexity of designing or sourcing a separate LED driver. It's equally suited for professionals prototyping custom luminaires or replacing existing lamp modules.\u003c\/p\u003e\n\n\u003ch3\u003eSafety \u0026amp; Installation Note\u003c\/h3\u003e\n\u003cp\u003eThis chip operates on mains AC voltage (110V–220V). Always follow proper electrical safety practices during installation. Refer to CPSC Electrical Safety guidelines for best practices when working with mains-voltage components.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Does the Smart COB LED Chip really work without an external driver?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. This Smart COB LED Chip features an integrated IC that allows it to operate directly from AC 110V or 220V mains power, so no separate LED driver or power supply is needed. This makes wiring simpler and reduces the overall component count in your DIY build.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What are the available wattages and color options for this COB LED chip?\u003c\/h4\u003e\n\u003cp\u003eA: The chip is available in 20W, 30W, and 50W versions, and comes in 4 emitting color options. Select the wattage and color that best match your lighting project requirements at checkout.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What applications is this COB LED chip suited for?\u003c\/h4\u003e\n\u003cp\u003eA: This versatile 20W\/30W\/50W COB LED chip is well-suited for a wide range of DIY and retrofit lighting projects, including floodlights, spotlights, downlights, outdoor fixtures, and custom lamp builds. Its compact 59.5 × 40 mm aluminum substrate fits most standard enclosures.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How does the aluminum substrate benefit the LED chip's performance?\u003c\/h4\u003e\n\u003cp\u003eA: The aluminum substrate acts as an integrated heat spreader, drawing thermal energy away from the LED die during operation. Effective thermal management helps maintain consistent light output and contributes to a longer operational lifespan for the chip.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Does the Smart COB LED Chip really work without an external driver?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. This Smart COB LED Chip features an integrated IC that allows it to operate directly from AC 110V or 220V mains power, so no separate LED driver or power supply is needed. 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