FK224-SA-2181. Component family: Heatsink for standard enclosures. Configuration: rectangular. External height [mm]: 8.3mm. Manufacturer's product group: FK224. Material: Aluminium. Outer length [mm]: 25.4mm. Outer width [mm]: 25mm. RoHS: no. Thermal resistance (K/W): 18K/W. Original product from manufacturer: Fischer Elektronik. Quantity in stock updated on 12/11/2025, 21:12