| PartNumber | HSS-B20-NP | HSS-B20-NP-03 | HSS-B20-NP-02 |
| Description | Heat Sinks 38.1 x 12.8 x 12.7mm TO-220 slide in | Heat Sinks 20 x 25.9 x 7.1mm TO-220 clip | Heat Sinks 19 x 21.2 x 10mm TO-220 slide in |
| Manufacturer | CUI Inc. | CUI Inc. | CUI Inc. |
| Product Category | Heat Sinks | Heat Sinks | Heat Sinks |
| Product | Heat Sinks | Heat Sinks | Heat Sinks |
| Mounting Style | Panel | PCB | PCB |
| Heatsink Material | Aluminum | Aluminum | Aluminum |
| Thermal Resistance | 23.05 C/W | 22.14 C/W | 27.22 C/W |
| Length | 38.1 mm | 25.4 mm | 21.1 mm |
| Width | 12.8 mm | 20 mm | 19 mm |
| Height | 12.7 mm | 7.1 mm | 10 mm |
| Designed for | TO-220 | TO-220 | TO-220 |
| Color | Black | - | - |
| Packaging | Bulk | Bulk | Bulk |
| Type | Plate | Stamped Heat Sink | Stamped Heat Sink |
| Brand | CUI | CUI | CUI |
| Height in | - | - | - |
| Height mm | - | - | - |
| Length in | - | - | - |
| Length mm | - | - | - |
| Product Type | Heat Sinks | Heat Sinks | Heat Sinks |
| Factory Pack Quantity | 500 | 1000 | 500 |
| Subcategory | Heat Sinks | Heat Sinks | Heat Sinks |
| Width in | - | - | - |
| Width mm | - | - | - |