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ambient temperature (generous estimate) = 35 C
power dissipation (red or amber lights) = 2.2V * 6 LEDs * 0.35 A = 4.62 W
power dissipation (white lights) = 2.9V * 6 LEDs * 0.35 A = 6.09 W
Required thermal resistance = (50-35)/4.62 = 3.24 C/W
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ambient temperature (generous estimate) = 35 C
power dissipation (red or amber lights) = 2.2V * 6 LEDs * 0.35 A = 4.62 W
power dissipation (white lights) = 2.9V * 6 LEDs * 0.35 A = 6.09 W
Required thermal resistance = (50-35)/4.62 = 3.24 C/W
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