Part Number: 437854G For use with TO-220/218/TO-247 packages Mechanical Outline Drawing A Dim 25.00 Thermal Curves Thermal Resistance 13.00 Thermal resistance value is based on a 75C rise in natural convection Product Information Part # Description Finish 437854G Extruded heat sink with unequal channel widths front and back Black Anodize This non-electronic component is functionally unaffected by the normal soldering or reflow processes used for semiconductor circuits. The heat resistance time or heat resistance temperature is not applicable for the component.