Heatsink, TO-202, TO-220, 7.5°C/W, 34.92 x 12.7 x 50.8mm, Vertical. Length: 34.92mm. Width: 12.7mm. Colour: Black. Special Features: Extruded Heat Sink with Radial Fins and Notched Base. Finish: Black Anodized. Series: 5312. MPN: 531202B00000G, AAVID THERMALLOY