Products: Citizen COB

Citizen Chip-on-Board LEDs - High Current

Applications include: bulbs, spotlights, downlights, high bay lights, street lights, flood lights, stadium lights

  • 3 Step Macadam
  • Larger Die size allows up to 50% higher drive current for the same package size
  • Lumen output increased by ~5-7% at a given drive current, and ~5% decrease in thermal resistance over Version 6
  • Efficacy increased by ~6.5% compared to Gen 6, Maximum junction temperature increased by 10-15C
  • We provide three types of high colour rendering products pursuing quality of light: "Ra 90 on B.B.L.*" "Ra 90 below B.B.L.*" and "Ra 97."
  • B.B.L.: stands for Black Body Locus.
  • New versions of Citizen COBs retain the same package sizes and shapes as previous versions, allowing for direct replacement when upgrading.
  • LED dice are placed to generate uniform light in consideration of optimizing the light distribution design of luminaires. ​​​

Download a selection tool

CLU029

CLU026

CLU039

CLU036

CLU049

CLU046

CLU059

CLU056

Dimensions (mm)
13.5 x 13.5 x 1.65 19.0 x 19.0 x 1.65 28.0 x 28.0 x 1.65 38.0 x 38.0 x 1.65
Datasheets (PDF): High CRI Ra90 min. [2700K, 3000K, 3500K, 4000K]
2W Class
4W Class
6W Class
8W Class
12W Class
16W Class
21W Class
25W Class
33W Class
41W Class
49W Class
74W Class
111W Class
154W Class
222W Class
Datasheets (PDF): High CRI Ra90 min. Below BBL [2700K, 3000K, 3500K]
12W Class 21W Class
25W Class
33W Class
49W Class None
Datasheets (PDF): Super High CRI Ra97 [2700K, 3000K, 4000K]
4W Class
8W Class
12W Class
16W Class
21W Class
25W Class
33W Class
49W Class None
Datasheets (PDF): CRI Ra80 min. [2700K, 3000K, 3500K, 4000K, 5000K, 6500K]
CRI Ra70  min. [3000K, 4000K, 5000K]
2W Class
4W Class
6W Class
8W Class
12W Class
16W Class
21W Class
25W Class
33W Class
41W Class
49W Class
74W Class
111W Class
154W Class
222W Class
Supporting documents
Instruction Manual / Handling Guide (PDF)