align="justify">Using copper and aluminum layers 0.0042" and 0.062" respectively with a dielectric 0.004". thick with a breakdown of 4kVDC, OptoTherm OCB201 Series substrate from Optek has a thermal conductivity of 1.1W/m-°K and a thermal resistance of 1.8°C/W.

 

Compliant with UL-94 V0 flammability specifications, the substrate is available in a panel size for of 18"×16.5', with available thicknesses of 0.038" (0.97 mm), 0.070" (1.78 mm), and 0.133" (3.38 mm).