ABL HEATSINKS Price For: 1 Each  Packages Cooled: TO-3  Thermal Resistance: 1.518&deg;C/W  External Height - Imperial: 1.378&quot;  External Height - Metric: 35mm  External Width - Imperial: 3.465&quot;  External Width - Metric: 88mm  External Length - Imperial: 3.937&quot; RoHS Compliant: Yes