Seoul Semi has created a range of CoBs with its multi-junction and ac LEDs – plus a couple of CoBs for spotlights. Acrich COB has two line-ups: ‘MJT CoBs’ use integrated multi-junction chips and up to 168lm/W efficacy. They come in standard form factors with a single power connection. There are now 11 products ranging from ...
Read full article: High voltage ac CoBs from Seoul Semi
from Electronics Weekly https://www.electronicsweekly.com/blogs/led-luminaries/high-voltage-ac-cobs-seoul-semi-2017-05/
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