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COB LEDs


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
Seoul Semiconductor
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Product Manufacturer LED-series Color Wavelength [nm] CCT [K] CRI Luminous intensity [mcd] Luminous flux [lm] Vf typ. [V] If [mA] If max [mA] Viewing angle [°] PPF[µmol/s] Hi-Rel Length [mm] Width [mm] Heigth [mm]
Note Merkzettel
Artikel Manufacturer LED-series Color Wavelength [nm] CCT [K] CRI Luminous intensity [mcd] Luminous flux [lm] Vf typ. [V] If [mA] If max [mA] Viewing angle [°] PPF[µmol/s] Hi-Rel Length [mm] Width [mm] Heigth [mm]
Art10017337 Neumüller Elektronik - - - - - - - - - - - - No - - -
SAWS0661A/AE3 Seoul Semiconductor COB cool white - 6500 97 - 580 36.1 170 260 115 - No 13.5 13.5 1.45
SAWS0661A/CE3 Seoul Semiconductor COB cool white - 5000 97 - 585 36.1 170 260 115 - No 13.5 13.5 1.45
SAWS0661A/EE3 Seoul Semiconductor COB natural white - 4000 97 - 560 36.1 170 260 115 - No 13.5 13.5 1.45
SAWS0661A/GE3 Seoul Semiconductor COB warm white - 3000 97 - 515 36.1 170 260 115 - No 13.5 13.5 1.45
SAWS0661A/HE3 Seoul Semiconductor COB warm white - 2700 97 - 500 36.1 170 260 115 - No 13.5 13.5 1.45
SAWS1063A/AE3 Seoul Semiconductor COB cool white - 6500 97 - 1043 34.8 290 580 115 - No 13.5 13.5 1.45
SAWS1063A/CE3 Seoul Semiconductor COB cool white - 5000 97 - 1045 34.8 290 580 115 - No 13.5 13.5 1.45
SAWS1063A/EE3 Seoul Semiconductor COB natural white - 4000 97 - 1000 34.8 290 580 115 - No 13.5 13.5 1.45
SAWS1063A/GE3 Seoul Semiconductor COB warm white - 3000 97 - 920 34.8 290 580 115 - No 13.5 13.5 1.45
SAWS1063A/HE3 Seoul Semiconductor COB warm white - 2700 97 - 895 34.8 290 580 115 - No 13.5 13.5 1.45
SAWS1564A/AE3 Seoul Semiconductor COB cool white - 6500 97 - 1595 35 430 860 115 - No 19 19 1.45
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.

Examples of use for chip-on-board LEDs


COB LEDs can be used in a wide variety of applications, especially in those where high quality and high efficiency are required. COB-LED modules are increasingly being used as a replacement for metal halide lamps in applications such as street lighting or indoor farming, but also in salesrooms.

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 LEDs 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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