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COB LED


COB-LEDs (Chip-On-Board) are highly sophisticated and very efficient high-power LEDs. The extremely flat COB LEDs are unhoused directly bonded to a highly thermally conductive aluminum circuit board or ceramic board. The very compact and flat design of the COB LEDs leads to a very high light output / cm² and the effect that the chips are perceived as a common surface and not as points of light.

2700K - 6500K    ✓ World's highest luminous efficacy    ✓ Long life with MJT
COB LED by Seoul Semiconductor
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Product Manufacturer LED-series color wavelength [nm] CCT [K] luminous flux [lm] CRI If [mA] Vf typ. [V] viewing angle [°] If max [mA]
Note Merkzettel
Artikel Manufacturer LED-series color wavelength [nm] CCT [K] luminous flux [lm] CRI If [mA] Vf typ. [V] viewing angle [°] If max [mA]
SAW80661A/AE3 Seoul Semiconductor ZC COB cool white - 6500 900 80 180 34.9 118 320
SAW80661A/BE3 Seoul Semiconductor ZC COB cool white - 5700 910 80 180 34.9 118 320
SAW80661A/CE3 Seoul Semiconductor ZC COB cool white - 5000 920 80 180 34.9 118 320
SAW80661A/EE3 Seoul Semiconductor ZC COB natural white - 4000 915 80 180 34.9 118 320
SAW80661A/FE3 Seoul Semiconductor ZC COB warm white - 3500 900 80 180 34.9 118 320
SAW80661A/GE3 Seoul Semiconductor ZC COB warm white - 3000 885 80 180 34.9 118 320
SAW80661A/HE3 Seoul Semiconductor ZC COB warm white - 2700 855 80 180 34.9 118 320
SAW81062A/AE3 Seoul Semiconductor ZC COB cool white - 6500 1445 80 270 34.1 118 540
SAW81062A/BE3 Seoul Semiconductor ZC COB cool white - 5700 1455 80 270 34.1 118 540
SAW81062A/CE3 Seoul Semiconductor ZC COB cool white - 5000 1475 80 270 34.1 118 540
SAW81062A/EE3 Seoul Semiconductor ZC COB natural white - 4000 1465 80 270 34.1 118 540
SAW81062A/FE3 Seoul Semiconductor ZC COB warm white - 3500 1435 80 270 34.1 118 540
SAW81062A/GE3 Seoul Semiconductor ZC COB warm white - 3000 1415 80 270 34.1 118 540
Hint: current revision of the supplier datasheet is applicable

Advantages of COB LEDs


Compared to conventional THT or SMD LEDs, COB LEDs offer a number of advantages:
  • Low failure rates due to fewer solder joints & thermal management
  • Homogeneous intensity distribution without optical hot spots
  • Better heat dissipation through lower thermal resistance
  • Very high luminous efficacy / cm²
  • Optimal combination with secondary optics
  • Better energy efficiency class
  • Low light loss
  • Higher viewing angle
  • Better color mixing

COB LEDs from Seoul Semiconductor with multi-junction LED technology


COB LEDs from Seoul Semiconductor with multi-junction LED technology
With patented Multi-Junction LED (MJT) technology, Seoul Semiconductor has launched a whole new generation of COB LEDs that divide the LED chips into several integrated cells. At 168 lm / W, Seoul Semiconductor's COB LEDs achieve the world's highest luminous efficacy. This high luminance is achieved with only 54 chips - conventional COB products require 144 chips for it. The decrease in the number of chips required in particular reduces the problems caused by wire connections (the main cause of defects in COB products) and thus prolongs their life.

Application areas of chip-on-board LEDs


The application areas for COB LEDs are diverse and are particularly suitable for applications where high quality and high efficiency are required. COB LED modules are increasingly finding their way as a replacement for metal halide lamps in applications such as street lighting or indoor farming but also in sales rooms.

Bei der Beleuchtung von Lagerhallen, Logistikhallen, Werkshallen und Produktionshallen werden häufig COB-LEDs verwendet. Hall lighting
Beleuchtung von Krankenhäusern, Arztpraxen und Gesundheitszentren mit COB-LEDs. Health service
Bessere Ausleuchtung von Verkaufsräumen und Austellungsräumen mit Chip-On-Board-LEDs. Salesrooms
Auch im Büro und an Arbeitsplätzen spielen High-Power-LEDs eine wichtige Rolle. Workplace lighting
Perfekte LED Beleuchtung für Wohnung und Haus. Privat
Die hochentwickelte und effiziente COB-Technologie findet auch immer Einsatz zur Tunnelbeleuchtung zum Beispiel bei U-Bahn Haltestellen. Tunnel lighting
Optimales Wachstum von Pflanzen mit COB LEDs in Gewächshäusern Greenhouse lighting
Professioneller Einsatz von COB-LEDs in Decken- und Wandbeleuchtungen Wall lighting
Moderne Anwendung von Chip-On-Board-LEDs in der Strassenbeleuchtung Street lighting
COB-LEDs bei Aussenbeleuchtungen Outdoor lighting
Effiziente Rast- und Tankstellenbeleuchtung mit der COB-Technologie Gas stations
High Power Beleuchtung von Sportplätzen und Stadien mit Chip-on-Board-LEDs Sports facilities
Design-In Support
Do you have questions about our COB LED products or are you looking for alternatives? As an authorized distributor, we maintain a very close exchange with our manufacturers and will be happy to advise you on the selection of suitable components and possible adaptations with our many years of experience. Talk to us!
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