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| Part Number | 423K |
| Datasheet | 423K datasheet |
| Description | HEATSINK POWER NO MNT HOLES BLK |
| Manufacturer | Wakefield-Vette |
| Series | 423 |
| Part Status | Active |
| Type | Board Level, Extrusion |
| Package Cooled | TO-3, DO-5, Stud Mount |
| Attachment Method | Press Fit |
| Shape | Rectangular, Fins |
| Length | 5.421" (139.70mm) |
| Width | 4.750" (120.65mm) |
| Diameter | - |
| Height Off Base (Height of Fin) | 2.625" (66.67mm) |
| Power Dissipation @ Temperature Rise | 50.0W @ 47°C |
| Thermal Resistance @ Forced Air Flow | 0.50°C/W @ 250 LFM |
| Thermal Resistance @ Natural | 0.96°C/W |
| Material | Aluminum |
| Material Finish | Black Anodized |