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Why Surface Mounted Device (SMD) "No Dot" LED Lighting Beats Chip On Board (COB) "No Dot" LED Lighting — At a Glance

SMD "no dot" fixtures offer greater flexibility, performance, and reliability — making them a smarter investment for demanding or long-term lighting applications.

AR501395
SMD no not pic
Heat Dissipation Excellent thermal management via aluminum or metal-core PCBs helps extend lifespan and efficiency. ❗ COB LEDs generate more heat in a smaller area, and flexible strips typically lack proper heat sinks. This can cause faster lumen depreciation or early failure if unmanaged.
Power & Brightness Designed for higher wattage and lumen output — ideal for industrial and commercial use. High output per square inch, but less adaptable to varied power needs.
Customization & Integration Modular design supports lenses, sensors, and integrated drivers for tailored lighting systems. Limited design flexibility; less suited to complex builds.
Repairability Individual SMD chips or components can be easily replaced. Integrated construction makes repair difficult or impossible.
Spec Flexibility Available in various chip sizes, CRI levels, color temps, and beam angles — excellent for custom specs. Fewer available options for CRI and CCT, limiting design control.
Certified Performance Backed by LM-80 testing, offering documented lumen maintenance and warranty support. Often lacks LM-80 or TM-21 data — less trusted for long-term performance.
Voltage Stability Over Long Runs Performs well in long-run applications; voltage drop is manageable with proper design. ❗ COB strips are vulnerable to voltage drop over long distances, especially with low-quality copper or poor power injection — causing noticeable dimming at the far end.
Overall Value High return on investment with flexible applications, reliable performance, and cost-effective installation. More limited use cases, higher cost per lumen, and reduced flexibility.