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Step 7Part 2: Soldering
Part 2: Step 2
Using a 100 watt or higher soldering iron, solder the 8ohm 5w resistor onto the positive pad of the LED, and a wire lead onto the negative pad.
The negative pad is thermally conductive onto the back of the LED PCB so you will need to keep it off of the heatsink when soldering. Because of the thermal transfer rate that results, a soldering iron rated lower than 100 watts is not likely to be able to keep the pad up to a high enough temperature to make a decent solder joint.
Once soldered, apply heatshrink to the connections. Then apply thermal past to the back of the LED and place it on the heatsink. Retain it by affixing the set screws to the heatsink.
Using a 100 watt or higher soldering iron, solder the 8ohm 5w resistor onto the positive pad of the LED, and a wire lead onto the negative pad.
The negative pad is thermally conductive onto the back of the LED PCB so you will need to keep it off of the heatsink when soldering. Because of the thermal transfer rate that results, a soldering iron rated lower than 100 watts is not likely to be able to keep the pad up to a high enough temperature to make a decent solder joint.
Once soldered, apply heatshrink to the connections. Then apply thermal past to the back of the LED and place it on the heatsink. Retain it by affixing the set screws to the heatsink.
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