The image shows a white Lumileds Chip-on-Board LED array with a round yellow phosphor emitting surface, labeled “3590” and “3500K”. Please check out this series: LUXEON CoB Core Range Gen 3 with L2C5-35801825F3200 as LED COB LUXEON WARM WHT SQ 3500K of Lumileds.
My size is 13 mm x 13 mm
sorry, the smallest size we have in stock is:
L2C5-27901202FH600 as WARM-WHITE COB 90 CRI with 15.00mm Length x 12.00mm Width