Description

• Direct thermal path copper (400W/mK) metal core PCB
• Dual 4040/5050 footprint – compatible with Luxeon V,M,MZ LEDs and 5050 LEDs (CREE XM-L2,XHP50,XHP50.2, Luminus SST-40…)
• Wide LED traces – minimal voltage drop
• 70um copper traces
• Gold plated soldering surfaces
• Nickel plated flat bottom surface
• Diameter: 38,0mm
• Thickness:2,0mm

NOTE: This PCB doesn’t have screw holes like stock PCB, so DIY washer+M4 screw is needed for proper installation.

Example: http://budgetlightforum.com/comment/1289469#comment-1289469