Hello. Welcome to Futurlec. The electronic components Superstore. To find the component your looking for, either search by Part Number or visit the relative department. Need Help. TO-220 TO220SMAL - TO-220 Heatsink Small - Aluminium Photograph Features Suits TO-220 Devices Small Compact Size Excellent Heat Dissipation Dimensions: Length - 17mm, Width - 17mm, Height - 26mm