Contact Sales & After-Sales Service

Contact & Quotation

  • Inquire: Call 0086-755-23203480, or reach out via the form below/your sales contact to discuss our design, manufacturing, and assembly capabilities.
  • Quote: Email your PCB files to Sales@pcbsync.com (Preferred for large files) or submit online. We will contact you promptly. Please ensure your email is correct.
Drag & Drop Files, Choose Files to Upload You can upload up to 3 files.

Notes:
For PCB fabrication, we require PCB design file in Gerber RS-274X format (most preferred), *.PCB/DDB (Protel, inform your program version) format or *.BRD (Eagle) format. For PCB assembly, we require PCB design file in above mentioned format, drilling file and BOM. Click to download BOM template To avoid file missing, please include all files into one folder and compress it into .zip or .rar format.

Package · Surface-Mount LEDs

SMD LED PCBs —
the right footprint, built fast.

Boards for surface-mount LEDs — 2835, 3030, 3535, 5050 and more — with footprint and thermal-pad design tuned for high-speed SMT, on the substrate your power level needs.

Request a quote Discuss your design
2835 / 3030 / 5050…FR-4 · aluminum · flexThermal-pad designHigh-speed SMT
SMD footprintsPCBSync
SMD LED PCB — footprints
2835·30305050 & more
FR-4·Al·flexSubstrates
High-speedPick & place
AOI·X-rayInspection
100%Electrically tested
What it is

PCBs for surface-mount LED packages

An SMD LED PCB mounts surface-mount LED packages — identified by size codes like 2835, 3030 or 5050 — onto a board. SMD is the most common, flexible and cost-effective way to build LED lighting, from strips and panels to downlights and high-bay heads.

The board choices that matter are footprint accuracy, thermal-pad design and substrate: FR-4 for low-power, an aluminum MCPCB once the LEDs run warm, or flexible for strips. Sticking to standard footprints keeps your project on high-speed SMT — the same line we use across our capabilities.

Any SMD package2835, 3030, 3535, 5050…
Accurate footprintsStandard, SMT-ready pads
Thermal-pad designCopper pour + vias tuned
Substrate to powerFR-4 / aluminum / flex
Package guide

Common SMD LED packages

PackageSize (mm)Typical powerBest for
0603 / 08051.6×0.8 / 2.0×1.25IndicatorIndicators, panel status
2835 Popular2.8×3.50.2–1 WStrips, panels, downlights
30303.0×3.0Mid–highHigh-bay, street, flood
35353.5×3.5High / RGBCeramic-body power, horticulture
50505.0×5.0RGB / RGBWStrips, stage, signage (3 dies)
5630 / 57305.6/5.7×3.0Mid–highLinear high-output fixtures
Not sure which package? Tell us the lumens, beam and environment and we'll suggest one that's easy to source and assemble.
Design tips

Designing a manufacturable SMD board

Use standard footprints

Common packages load onto high-speed pick-and-place without special feeders — lower setup fees, faster lead times.

Optimise the thermal pad

Maximise copper-pour contact under the package's thermal pad and add vias so heat reaches the base.

Match substrate to power

FR-4 for indicators, aluminum once LEDs run warm, flexible polyimide for strips.

Design for AOI

Well-characterised footprints let AOI catch real defects — keep spacing and solder-mask openings to spec.

Plan the array

Even spacing and pour for uniform light and heat; balance strings for consistent current.

Protect for outdoor

Conformal coating, potting or IP-rated parts for strips and fixtures exposed to weather.

Applications

Where SMD LED PCBs are used

LED strips2835 / 5050 linear
Panel & backlightEven, slim lighting
Downlights2835 / 5630 modules
High-bay & street3030 high-power arrays
Signage & displayChannel letters, lightboxes
Decorative & RGB5050 colour effects
SMD vs COB

Choosing your LED package type

SMD spreads many separate packages across the board, so heat has room to dissipate and the design stays flexible and cost-effective. COB concentrates many bare dies into one phosphor area for maximum flux from a small source. Most products use SMD; COB wins where lumen density is critical. We build — and assemble — both, verified in our PCB laboratory.

  • Footprint accuracy — SMT-ready standard pads.
  • Thermal pad — copper pour + vias tuned.
  • Substrate choice — FR-4 / aluminum / flex.
  • High-speed SMT — lower cost, faster turns.
  • Turnkey — sourcing & assembly.
Thermal-pad pathJunction heat conducted down to the heatsinkLED diePhosphor / lensSolderDielectricAluminum baseHeatsinkThermal-pad path
Start your project

Talk to an SMD LED PCB engineer

Send your package, board size and substrate and we'll reply with feasibility, footprint feedback and a quote — usually within 24 hours.

  • Package & count — 2835/3030/5050, quantity per board.
  • Substrate — FR-4, aluminum or flex.
  • Quantity — prototype, pilot or production.

LED PCB inquiry

Reply within 24 hours · DFM included · NDA on request
or
Upload your Gerber files →
Submitting opens your email app with the details prefilled. Files are attached on the upload page.
Explore

Related LED PCB capabilities

COB LED PCBHigh-flux contrastLED PCB AssemblyTurnkey SMT buildAluminum PCBMetal-core base boardsFlexible LED PCBSMD strips on FPCAddressable LED PCBDigital RGB SMDCustom LED PCBBuilt to your spec
Answers

SMD LED PCB — FAQ

The code is the package size in millimetres — 2835 is 2.8 × 3.5 mm, 3030 is 3.0 × 3.0 mm, 5050 is 5.0 × 5.0 mm. Larger packages give more lumens or fit multiple dies (5050 holds R/G/B); smaller ones (0603, 0805) suit indicators.

It depends on power: FR-4 is fine for low-power indicators and decorative work, an aluminum MCPCB is preferred once the LEDs run warm (high-bay, downlights, strips at power), and flexible polyimide is used for bendable strips.

Common packages like 2835 and 5050 are the 'global language' of SMT — they load onto high-speed pick-and-place without special feeders, and their solder behaviour is well characterised, so AOI is more accurate and setup fees and lead times drop.

High-power SMD packages have a bottom thermal pad; we optimise the copper pour and (on metal-core boards) the dielectric contact under that pad for a low-resistance path, adding thermal vias where the package needs them.

SMD spreads many separated emitters for even, flexible, cost-effective light; COB concentrates many dies into one high-flux source. See COB LED PCB for the contrast, and LED PCB assembly for turnkey build.

Let's build your SMD LED PCB.

The right footprint, the right substrate, built fast on high-speed SMT — prototype to volume.

Request a quote Talk to an engineer

Contact Sales & After-Sales Service

Contact & Quotation

  • Inquire: Call 0086-755-23203480, or reach out via the form below/your sales contact to discuss our design, manufacturing, and assembly capabilities.

  • Quote: Email your PCB files to Sales@pcbsync.com (Preferred for large files) or submit online. We will contact you promptly. Please ensure your email is correct.

Drag & Drop Files, Choose Files to Upload You can upload up to 3 files.

Notes:
For PCB fabrication, we require PCB design file in Gerber RS-274X format (most preferred), *.PCB/DDB (Protel, inform your program version) format or *.BRD (Eagle) format. For PCB assembly, we require PCB design file in above mentioned format, drilling file and BOM. Click to download BOM template To avoid file missing, please include all files into one folder and compress it into .zip or .rar format.