Manufacturer: Aavid Thermalloy  •  RoHS/pb-free: RoHS   Pb-free  •  Package Cooled: TO-3  •  Attachment Method: Bolt On  •  Outline: 63.50mm x 63.50mm  •  Height: 0.820" (20.80mm)  •  Material: Aluminum  •  Power Dissipation @ Temperature Rise: 6W @ 40°C  •  Thermal Resistance @ Forced Air Flow: 2.0°C/W @ 500 LFM  •  Thermal Resistance @ Natural: 4.9°C/W  •  Other PartNo: 500503B00000, 6005B-2, HS265