| PartNumber | HSS-B20-043H-01 | HSS-B20-0508H-01 | HSS-B20-0452H |
| Description | Heat Sinks 30.3 x 22.2 x 5.35mm TO-220 bolt on/pin | Heat Sinks 42.5 x 24.2 x 25.4mm TO-220 bolt on/pin | Heat Sinks 20 x 25.4 x 7.1mm TO-220 clip |
| Manufacturer | CUI Inc. | CUI Inc. | CUI Inc. |
| Product Category | Heat Sinks | Heat Sinks | Heat Sinks |
| Product | Heat Sinks | Heat Sinks | Heat Sinks |
| Mounting Style | PCB | PCB | PCB |
| Heatsink Material | Aluminum | Aluminum | Aluminum |
| Thermal Resistance | 30.28 C/W | 12.99 C/W | 31.83 C/W |
| Length | 22.2 mm | 25.4 mm | 19.05 mm |
| Width | 5.35 mm | 25.4 mm | 12.7 mm |
| Height | 31.8 mm | 42.5 mm | 12.7 mm |
| Designed for | TO-220 | TO-220 | TO-220 |
| Packaging | Bulk | Tray | Bulk |
| Type | Stamped Heat Sink | Stamped Heat Sink | Stamped Heat Sink |
| Brand | CUI | CUI | CUI |
| Product Type | Heat Sinks | Heat Sinks | Heat Sinks |
| Factory Pack Quantity | 500 | 60 | 1000 |
| Subcategory | Heat Sinks | Heat Sinks | Heat Sinks |
| Height in | - | - | - |
| Height mm | - | - | - |
| Length in | - | - | - |
| Length mm | - | - | - |
| Width in | - | - | - |
| Width mm | - | - | - |