SPA2000-0.015-AC-53 Thermal Interface Products Higher Performance, High Reliability Insulator, 0.015 Inch Thickness, Adhesive - One Side, Dimensions: 21.97x16.51mm, TO-220, Sil-Pad TSP A3000 Series / Also Known as Bergquist Sil-Pad A2000 Series, IDH 2359793