Luxeon is flip chip and flip chips are flooders usually.
But this time that’s not the case, I was wrong and stock they offer practically the same cd/lm.
Note that SST-40 can be dedomed with great throw improvements. With Luxeon V the improvements are marginal.
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LED test / review EN Lumileds Luxeon V (CSP, 2017) L1V1-407003V500000 UPDATE --- 06/23/18 --- raw data added! (link) [image] In the first days of LED technology, 2003, Lumileds released the Luxeon V LED. For it’s release it was one of the brightest emitter in the world and offered many manufacturers of lighting systems new possibilites in design and luminous power. Fourteen years later, a new Luxeon V was presented to the public, available in 70 CRI option only…

LED-Test EN Luminus SST-40-W Specialty White LED SST-40-CW-A120 UPDATE --- 06/23/18 --- raw data added! (link) This is the english version of my first test (August 2017). Because of more accurate results and some minor changes in the text the german version is no longer valid anymore! I bought this emitter at Kaidomain several months ago. Technical data Tj 85 °C, If 700 mA Order code: SST-40-CW-A120 (unless otherwise specified) Type: single…