Darell's Cheat Sheet

3mm and 5mm LEDs

color wavelength (nm) vF
white 6500k 3.6
red 635 2.0
blue 470 3.6
cyan 525 3.5

Luxeion 1W Vf

E 2.31
F 2.55
G 2.79
H 3.03
J 3.27
K 3.51
L 3.75

Automotive
@ 13.8V and 3.6Vf white LED

3 150 Ohm (60 @ 12V)
2 330 Ohm (240 @ 12V)
1 510 Ohm (420 @ 12V)

[Input V (13.8) - Vf of LED (3.6)]
Current (0.02)


 


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