654452F00000G

DATASHEET EXTRUSION PROFILE 65445 65445 PRODUCT DETAILS Property Details Height 1.31 in (33.27 mm) Width 7.34 in (186.44 mm) Perimeter USA: 1.855.322.2843 EUROPE: 39.051.764002 ASIA: 86.21.6115.2000 x8122 62.27 in Weight 4.6 lbs per foot (6.85 kg per meter) Material 6063-T5 Aluminum Extrusion Alloy Extrusion Profile 65445 www.aavid.com November 2016 A02 DATASHEET EXTRUSION PROFILE 65445 THERMAL DATA Natural Convection: 1.12 based on 70 C temp rise above ambient. Thermal resistance is calculated based on a single 1" (25.4mm) square heat source centered on the heat sink. If you have distributed loads, then you can expect 10% better performance in natural convection and 20% better performance in forced convection. Natural Convection Heat Sink Temperature Rise Above Ambient Heat Sink Thermal Resistance 40.0 4.00 30.0 3.00 20.0 2.00 10.0 1.00 0.0 0.00 2.5 7.5 12.5 17.5 Power Dissipated (W) 22.5 2.5 7.5 12.5 17.5 Power Dissipated (W) 22.5 Forced Convection 1.0 Heat Sink Temperature Rise Above Ambient (25W Dissipated) Air Flow (m/s) 2.0 3.0 4.1 5.1 1.0 25.0 1.00 18.8 0.75 12.5 0.50 6.2 0.25 0.0 0.00 200 400 600 800 Air Flow (LFM) USA: 1.855.322.2843 EUROPE: 39.051.764002 ASIA: 86.21.6115.2000 x8122 1000 Heat Sink Thermal Resistance Air Flow (m/s) 2.0 3.0 4.1 200 400 600 800 Air Flow (LFM) 5.1 1000 Extrusion Profile 65445 www.aavid.com November 2016 A02