Acriche 4 AC warm white LED with 75 lm/W efficacy

Aug 26, 2009 Today Seoul Semiconductor announced a new Acriche device, the A4–AC LED. The Acriche 4 devices have a color temperature of 3000K and include multiple new technologies that provide excellent efficiency of 75 lm/W with a high CRI of 85.

Acriche 4W PAR16 board, assembled with the brand new Acriche A4 series AC LEDs

Seoul Semiconductor stated that “It is the first time that Alternating Current (AC) LEDs have achieved better luminous efficiency than LEDs with Direct Current (DC).”.
Acriche 4Advantages of the Acriche A4 series:
  •  It is possible to use Acriche products on AC power freely between 100V and 230V without additional conversion. Only a simple, inexpensive diode bridge is required.
  • Different than other Acriche products (such as the popular A2 and A3 series), the A4 uses 50Vrms per package and 110V-220V can be achieved by connecting multiple devices in whatever manner is needed. 
  • Whether used in light bulbs or light structures with arrays of LED’s, the most suitable design is guaranteed due to the degree of freedom of placement and configuration of the A4.

Author:  Ray Andersson

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