61565

Natural Convection: 40.45 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
	270.0 202.5 135.0 67.5 0.0   1.0 3.0 5.0 7.0 9.0			71.00 53.25 35.50 17.75 0.00   1.0 3.0 5.0 7.0 9.0
	Power Dissipated (W)			Power Dissipated (W)

Forced Convection

	Heat Sink Temperature Rise Above Ambient (10W Dissipated)			Heat Sink Thermal Resistance
	Air Flow (m/s)			Air Flow (m/s)
	1.0 2.0 3.0 4.1 5.1 280.0 210.0 140.0 70.0 0.0   200 400 600 800 1000			1.0 2.0 3.0 4.1 5.1 28.00 21.00 14.00 7.00 0.00   200 400 600 800 1000
	Air Flow (LFM)			Air Flow (LFM)