1818 vs 1212

  1. uncanny

    Is this 1818 better than 1212? | Longer timescale efficiency questions.

    How does this cob: CITIZEN 3500K 54,9V CLL040-1818A5-353H1A7 $12 @ ebay: https://tinyurl.com/CLL040-1818A5-353H1A7 Data sheet: http://ce.citizen.co.jp/lighting_led/dl_data/datasheet/en/H_3500K/CLL040-1818A5-353H1A7_P2123_0512.pdf Compare to: CITIZEN 3500K CLU048-1212C4-353M2M2-F1 Version 6 $12 @...
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