Single Color COB Linear Light: Specifications, Applications, and Selection Guide

20, Oct. 2026

 

Single Color COB Linear Light: Specifications, Applications, and Selection Guide

A single color COB linear light is a linear LED light source that uses chip-on-board (COB) packaging to create a closely spaced, visually continuous line of illumination in one selected color or white-light setting. For B2B buyers, the right choice depends on more than color: confirm the required output, voltage, power per meter, dimensions, control method, thermal conditions, and installation environment. At ENTA Lighting, we recommend comparing these requirements against the actual product datasheet and testing a sample in the intended fixture before confirming an order. This guide explains the main specifications, applications, and purchasing checks to help you make that decision.

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Who This Guide Is For

This guide is intended for lighting distributors, importers, project specifiers, fixture manufacturers, and procurement teams evaluating linear LED components or lighting solutions. It is useful when you need to compare products for a new project, replace an existing light source, or prepare a request for quotation. Because product configurations vary, treat any example figures in this guide as planning references—not as specifications for every COB light. Always confirm the available options and rated performance with your supplier.

What Is a Single Color COB Linear Light?

Basic construction and light output

COB stands for chip on board, a packaging approach in which LED chips are mounted closely together on a substrate. In a linear format, this can produce a more continuous-looking luminous line than widely spaced LED points, especially when the light is viewed through a compatible diffuser. The finished appearance still depends on LED spacing, optical materials, fixture depth, and viewing distance. COB describes the light-source construction; it does not, by itself, guarantee a particular brightness, color quality, or uniformity.

What “single color” means

A single color product is designed to emit one selected output rather than switch between multiple colors as an RGB product can. Depending on the product configuration, the selected output may be a white-light color temperature or a color such as red, green, or blue. Confirm the exact color description and, for white light, the correlated color temperature (CCT) and color-rendering information. Do not assume that a single-color product is tunable unless the supplier specifies that function.

Types, Materials, and Specifications to Review

Formats and installation considerations

COB linear lights are commonly supplied in flexible strip formats, while some project solutions use a rigid substrate or a completed linear fixture. Flexible products can suit curved details and custom-length installations; rigid formats can be preferable where straight runs and mechanical support are priorities. The suitable format depends on the design, mounting surface, heat management, and required protection from dust or moisture. Ask for the exact product construction and installation instructions rather than selecting by appearance alone.

Key specification checklist

  • Supply voltage: Confirm the rated input and select a compatible power supply. A 24 V DC product is one possible planning option, not a universal requirement.
  • Power consumption: Check watts per meter and calculate the total connected load for the planned run, including the applicable driver requirements.
  • Light output: Compare rated lumens per meter when available, and check how output is measured. Consider the finished fixture and diffuser, not just the bare light source.
  • Color and color quality: Specify the exact color or CCT. For spaces where accurate color appearance matters, a CRI 90+ requirement may be a useful project target, subject to product availability and verification.
  • Dimensions and cutting: Confirm strip width, cut intervals, connection method, and compatibility with the channel or fixture.
  • Dimming and controls: State whether dimming is required and identify the intended controller or system. Check compatibility before ordering.
  • Environmental suitability: Review operating conditions and any stated ingress protection rating where exposure to dust or moisture is relevant.
  • Thermal management: Check whether an aluminum profile or other heat-dissipation method is recommended for the selected power and installation.

For example, a 5 m run can be used as a preliminary planning length when estimating power-supply load, but it should not be treated as the maximum continuous length for every product. Voltage drop, feed direction, wiring, and manufacturer guidance can affect the allowable run. Request the product’s connection and installation guidance before finalizing a layout. This helps avoid specifying a component based on a length assumption that does not fit its electrical design.

Match the Light to the Application

Common indoor applications

Single color COB linear lighting can be considered for cabinet and shelf lighting, display cases, coves, retail details, hospitality interiors, signage, and architectural accents. White-light versions may be appropriate for task or general-purpose details when their output and color quality meet the project brief. Colored versions can support decorative accents or visual wayfinding when a fixed color is wanted. In every case, evaluate the light in its installed context, including the diffuser, surface finish, and distance from the illuminated area.

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For a visible, uninterrupted line in a shallow detail, examine the combination of COB source, channel, and diffuser. For a long run, prioritize electrical calculations, feed layout, and consistent appearance between sections. For a display or work surface, assess usable illumination and color rendering rather than relying on a product photograph. If the location may become damp or dusty, verify that the complete installed system—not just one component—meets the project’s environmental requirements.

A Practical Selection Framework

Step 1: Define the visual and lighting objective

Write down whether the project needs functional white light, a decorative color, or a continuous-looking luminous line. Specify the intended viewing distance, mounting position, illuminated surface, and whether dimming is required. For white light, define the target CCT and color-rendering needs. These details give suppliers a clearer basis for recommending a configuration.

Step 2: Confirm electrical and mechanical fit

Record the available power supply, required run lengths, wiring route, mounting channel, and installation environment. Calculate the planned load from the selected product’s rated watts per meter, then confirm driver capacity and wiring arrangements with the supplier or project engineer. Check dimensions and cut points against the design drawings. Do not assume that two products with similar widths or voltages share the same connector, control, or installation requirements.

Step 3: Request samples and documentation

Ask for a datasheet that identifies the exact product configuration, including voltage, power, output, color information, dimensions, and control compatibility. Where appearance is important, evaluate a sample in a representative channel or fixture using the intended diffuser. Compare color and brightness across the full viewing angle and inspect transitions at joints. A sample review can reveal whether the proposed combination meets the visual intent before a larger purchase.

Pricing, MOQ, and Lead Time

Pricing can vary with the COB configuration, output, color, dimensions, protection requirements, accessories, packaging, and order quantity. Minimum order quantities and production lead times are supplier- and product-specific, so there is no reliable universal figure to apply. For a useful quotation, share the target specification, estimated quantity, destination, packaging needs, and required delivery window. If the project is still in development, ask the supplier to identify which choices are standard options and which may require a custom configuration.

Supplier Evaluation Checklist

  • Can the supplier provide a datasheet for the exact quoted configuration?
  • Are voltage, power per meter, output, color, dimensions, and control requirements clearly stated?
  • Can the supplier explain installation, heat-management, and run-length considerations?
  • Are sample availability, MOQ, lead time, packaging, and quotation validity confirmed in writing?
  • For custom requirements, are the requested changes and their effect on price or timing clearly described?

At ENTA Lighting, we support B2B buyers by discussing application requirements and reviewing the specifications needed for a suitable single color COB linear light proposal. Share your intended use, target color or CCT, voltage, approximate run length, installation conditions, and estimated order quantity when requesting a quotation. We can then clarify available options and the product information to verify before you proceed. Final selection should be based on the confirmed datasheet and project evaluation.

Summary and Next Steps

A single color COB linear light provides one selected color output in a closely spaced linear LED format, but its finished performance depends on the complete installation. Start by defining the desired visual effect and application, then compare voltage, watts per meter, light output, color quality, dimensions, controls, and environmental suitability. Treat example values such as 24 V DC, a 5 m planning run, or a CRI 90+ target as project references rather than universal product promises. To move forward, prepare your application details, request the exact datasheet and a sample where needed, and confirm MOQ, lead time, and quotation conditions with ENTA Lighting before placing an order.

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