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| Part Number | HSS-B20-0953H |
| Datasheet | HSS-B20-0953H datasheet |
| Description | HEATSINK TO-220 4W ALUMINUM |
| Manufacturer | CUI Inc. |
| Series | HSS |
| Part Status | Active |
| Type | Board Level |
| Package Cooled | TO-220 |
| Attachment Method | PC Pin |
| Shape | Rectangular, Fins |
| Length | 1.500" (38.10mm) |
| Width | 0.504" (12.80mm) |
| Diameter | - |
| Height Off Base (Height of Fin) | 0.500" (12.70mm) |
| Power Dissipation @ Temperature Rise | 4.0W @ 75°C |
| Thermal Resistance @ Forced Air Flow | 5.01°C/W @ 200 LFM |
| Thermal Resistance @ Natural | 18.63°C/W |
| Material | Aluminum |
| Material Finish | Black Anodized |