
Home / Products / Fans, Thermal Management / Thermal - Heat Sinks / 641K

| Part Number | 641K |
| Datasheet | 641K datasheet |
| Description | HEATSINK TO-3 HORZ MT NO HOLES |
| Manufacturer | Wakefield-Vette |
| Series | 641 |
| Part Status | Active |
| Type | Board Level |
| Package Cooled | TO-3 |
| Attachment Method | Press Fit |
| Shape | Rectangular, Angled Fins |
| Length | 3.000" (76.20mm) |
| Width | 4.125" (104.77mm) |
| Diameter | - |
| Height Off Base (Height of Fin) | 1.000" (25.40mm) |
| Power Dissipation @ Temperature Rise | 15.0W @ 36°C |
| Thermal Resistance @ Forced Air Flow | 0.90°C/W @ 250 LFM |
| Thermal Resistance @ Natural | 2.40°C/W |
| Material | Aluminum |
| Material Finish | Black Anodized |