HEAT PIPE ULTRA FLAT 2.5TX250L(MM); Packages Cooled:LED; Thermal Resistance:0.2°C/W; External Height - Metric:2.5mm; External Width - Metric:50mm; External Length - Metric:250mm; External Diameter - Metric:-; Heat Sink Material:Aluminium; External Height - Imperial:0.098425"; External Width - Imperial:1.9685"; External Length - Imperial:9.8425"; External Diameter - Imperial:-; Product Range:-; External Height:2.5mm; External Length / Height:250mm; Height:250mm