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5050 Strip SMDs-Whould they be hot wide open?

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DW1961:
I just tested a 6' strip of 93 5050 SMDs for amperage and got exactly what I calculated at .21 watts per 5050 SMD when all colors are 100%: 1.6A

I'm a little concerned about temperature. I didn't take a reading, but they felt very warm to the touch wide open. Does anyone know if that is normal in this situation?

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