523002B00000G Aavid Thermalloy Heat Sink Square Pcb To-220 19 °C/W 12.7 mm 25.4 mm 30 mm. Heat Sink Material: Aluminium. Thermal Resistance: 19°C/W. During that process you will be issued with an RMA number.
PF527 Aavid Thermalloy Heat Sink, To-3, 7.3°C/W
6400BG Aavid Thermalloy Heat Sink, To-220/218, 2.7°C/W
SW50-4 Aavid Thermalloy Heat Sink, To-220/218, 8.6°C/W
TV4 Aavid Thermalloy Heat Sink, To-126, 21°C/W
5F Aavid Thermalloy Heat Sink, To-5, 48°C/W
SW25-4 Aavid Thermalloy Heat Sink, To-220/218, 13°C/W