Tested board with aluminium "U" channel as heatsink.2 board at 260watt from plug.
The hottest point(center of board on the led side) was 52° C with T ambient of 23°C and no airfloe.The back of the board was even cooler (from 3 to 5 C degree). Previous temperature was taken from the back too.
The hottest point(center of board on the led side) was 52° C with T ambient of 23°C and no airfloe.The back of the board was even cooler (from 3 to 5 C degree). Previous temperature was taken from the back too.