Boards are built around stable mechanical families to simplify OEM builds and retrofits. Expect rigid MCPCBs in 50×50, 70×70, and 120×70 mm plates for downlights and bulkheads; linear sticks in 280/560/1120 mm for channels and pendants; and round stars (Ø19–50 mm) for compact spots. Electrical rails are 24 V or 48 V constant-voltage for strip-style arrays and 150–700 mA constant-current for COB/board engines. Efficacy typically 150–190 lm/W at 4000 K CRI 80 and 120–150 lm/W where CRI 90 with R9 > 50 is required. Colour packs: 2700/3000/3500/4000/6500 K, ≤3 SDCM binning on project lots. Operating window −25…+50 °C subject to Tc ≤ 85 °C; copper weights and thermal vias are sized for even spread on small footprints.
Modules comply with EN/IEC 62031; drivers pair to EN/IEC 61347-2-13 with IEC 62384 performance. Source data is LM-80 with TM-21 projections—L80 50–60k h at Ta 25 °C on mainstream bins, higher where Tc is held well below limit. Photobiological safety meets EN 62471 RG0/RG1. Solder pads and JST/Poke-in connectors are gold-finished for repeat servicing; through-holes align to common tray patterns so legacy housings don’t need drilling.
These MCPCB “sticks” target channel bodies and grid panels. Typical nodes per board: 6/12/18/24 W at 24 V CV or 150/350 mA CC, with batwing optics available for wide desk uniformity. Choose opal lenses for calm ceilings or micro-prismatic faces (UGR-minded) where offices need ≤19. For long runs, 48 V CV with power injection every 2–5 m keeps drop <3%; use 2×1.5–2.5 mm² feeds and maintain polarity through joiners. Emergency is straightforward: CV boards accept maintained inverters via dedicated inputs; CC variants ride on EL-marked drivers—document lumens in EM mode on the cut sheet.
Clip-on lens rails (15°/24°/36°/60°) and film sets (batwing/wall-wash) avoid tooling delays. Colour drift stays within ≤3 SDCM across batches; CRI 90/R9-positive options are stocked for food, wood, and textile zones. For camera work, pro lots target PstLM ≤ 1.0 and SVM ≤ 0.4 when paired with high-frequency PWM drivers.
Round stars and compact plates carry single or clustered emitters for 900–4000 lm cores. Drive currents 350–700 mA (select up to 1 A) with thermistor pads for closed-loop derate. TIR lens seats follow industry footprints (Ø16/Ø35) for narrow 10–15° accents up to 60° floods; honeycomb and softening films control near-field sparkle. Heatsinking is the design decider: keep baseplate-to-heatsink thermal resistance <1.5 K/W on 15–20 W nodes and <0.8 K/W above 25 W; aluminium posts or vapor-chamber pads are recommended in sealed heads. Surge 2 kV line-to-line on the driver side is the default; specify 4 kV where lifts/VFDs share boards.
Stars: 2–4 mounting holes, 2.0–2.2 mm. Plates: M3/M4 grid with isolation clearances around pads. Termination via poke-in (0.5…1.5 mm²) or solder lands; polarity is screened every pad to speed FAT/SAT. Tc points are silk-marked—publish probe locations on the drawing so service teams can verify margins.
Kits bundle board + optic + bracket + connector tail to turn a tray into a finished engine. Linear kits add profile rails, opal/micro-prism lenses, end-caps, live/mid-feeds, and suspension hardware; downlight kits pair round plates with TIR lenses, reflectors, and spring carriers across 100/120/150/200 mm cut-outs. Through-wire sets keep DALI/0–10 V buses intact across sections. Finish options (white/black/aluminium) match trims and canopies to keep rooms visually coherent.
Open-plan and classrooms: 4000 K CRI 80/90 linear boards with batwing films for 300–500 lx at UGR ≤ 19. Retail: CRI 90 plates with 15°/24° optics for punch; linears for calm backgrounds. Hospitality: 2700/3000 K TW sets for sceneable ambience. Plant/back-of-house: value CRI 80 linear rails in gasketed profiles, −25…+45 °C drivers. When the spec names spl lighting lighting modules, pin length/output/SDCM and lens type on one line so procurement doesn’t guess.
Compliance: EN/IEC 62031; driver EN/IEC 61347-2-13; EN 62471 class; EMC per EN 55015/EN 61547.