U2, T6, T4 are brightness bins.
1A, 3C, etc are tint codes. 1A being cool white 3C being neutral white etc.
Much more detail here: Tint, Binning, and CRI Explained (For XM-L LEDs)
U2, T6, T4 are brightness bins.
1A, 3C, etc are tint codes. 1A being cool white 3C being neutral white etc.
Much more detail here: Tint, Binning, and CRI Explained (For XM-L LEDs)