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| PartNumber | 7121DG | 7121D AVR81 54MHZ | 7121D |
| Description | Heat Sinks Board Level Heatsink for D2PAK, TO-263, Horizontal Mounting, 11.43x25.4x19.38mm | Heat Sink Passive TO-220 13°C/W Matte Tin | |
| Manufacturer | Aavid | - | Aavid Thermalloy |
| Product Category | Heat Sinks | - | Thermal - Heat Sinks |
| RoHS | Y | - | - |
| Product | Heat Sinks | - | Heat Sinks |
| Mounting Style | Through Hole | - | Through Hole |
| Heatsink Material | Aluminum | - | Aluminum |
| Fin Style | Channel Cut Fin | - | Channel Cut Fin |
| Length | 12.7 mm | - | 1.180" (29.97mm) |
| Width | 25.4 mm | - | 1.000" (25.40mm) |
| Height | 29.97 mm | - | 29.97 mm |
| Designed for | TO-220 | - | TO-220 |
| Series | 7121 | - | - |
| Brand | Aavid | - | - |
| Product Type | Heat Sinks | - | - |
| Factory Pack Quantity | 500 | - | - |
| Subcategory | Heat Sinks | - | - |
| Part # Aliases | 042841 | - | 042841 |
| Material | - | - | Copper |
| Type | - | - | Board Level, Vertical |
| Shape | - | - | Rectangular, Fins |
| Diameter | - | - | - |
| Package Cooled | - | - | TO-220 |
| Attachment Method | - | - | Bolt On and PC Pin |
| Height Off Base Height of Fin | - | - | 0.500" (12.70mm) |
| Power Dissipation Temperature Rise | - | - | 1W @ 20°C |
| Thermal Resistance Forced Air Flow | - | - | 5°C/W @ 400 LFM |
| Thermal Resistance Natural | - | - | 13°C/W |
| Material Finish | - | - | Tin |