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 TO218S049B - TO-218 Heatsink Large PCB Mount - 90o Fins Photograph Features Suits TO-220 Devices For Heavy Duty Devices Light Weight Dimensions: Length - 48mm, Width - 20mm, Height - 52mm