| PartNumber | HSE-B20630-040H | HSE-B20630-040H-01 | HSE-B20635-035H |
| Description | Heat Sinks 63x29x12.5mm w/pin extrusion TO-220 | Heat Sinks 63x29x12.5mm w/pin extrusion TO-220 | Heat Sinks 63.5x34.92x12.7mm Pin extrusion TO-220 |
| Manufacturer | CUI Inc. | CUI Inc. | CUI Inc. |
| Product Category | Heat Sinks | Heat Sinks | Heat Sinks |
| RoHS | Y | Y | Y |
| Product | Heat Sinks | Heat Sinks | Heat Sinks |
| Mounting Style | PCB | PCB | PCB |
| Heatsink Material | Aluminum | Aluminum | Aluminum |
| Fin Style | Extruded Axial Fin | Extruded Axial Fin | Extruded Axial Fin |
| Thermal Resistance | 7.81 C/W | 8.24 C/W | 8.15 C/W |
| Length | 63 mm | 63 mm | 63.5 mm |
| Width | 35 mm | 34.5 mm | 34.92 mm |
| Height | 12.5 mm | 12.5 mm | 12.7 mm |
| Designed for | TO-220 | TO-220 | TO-220 |
| Packaging | Bulk | Bulk | Bulk |
| Series | HSE-B20X | HSE-B20X-01 | HSE-BX-02 |
| Brand | CUI | CUI | CUI |
| Height in | 0.49 in | 0.49 in | 0.5 in |
| Length in | 2.48 in | 2.48 in | 2.5 in |
| Product Type | Heat Sinks | Heat Sinks | Heat Sinks |
| Factory Pack Quantity | 600 | 600 | 600 |
| Subcategory | Heat Sinks | Heat Sinks | Heat Sinks |
| Width in | 1.37 in | 1.35 in | 1.37 in |
| Unit Weight | 0.846575 oz | 0.852219 oz | 1 oz |