Plate-fin heat sinks made from extruded aluminum are cost-effective and offer superior thermal performance in forced convection when the fins are aligned with a fixed airflow direction. When an omnidirectional feature is not required, these heat sinks provide the most economical solution. Extruded aluminum heat sinks can be easily customized and have an excellent surface finish and appearance.
- Plate-fin heat sinks are manufactured by extrusion using highly conductive aluminum alloy 6063-T5, which has great mechanical and thermal properties.
- The tooling and unit costs of extrusion are among the lowest of all mass-production methods.
- Extruded aluminum heat sinks can be easily customized with excellent surface finish and appearance.
- To improve thermal radiation, heat sinks can be anodized to black or other colors.
- Length can be customized (without increasing costs).
S818 Series – For High Airflow
| Part Number | Width (mm) | Length (mm) | Height (mm) | RSA (°C/W) 2.0 m/s (400LFM) | RSA (°C/W) 4.0 m/s (800LFM) | RSA (°C/W) 6.0 m/s 1,200LFM) | RSA (°C/W) 8.0 m/s (1,600LFM) | RSA (°C/W) 10.0 m/s (2,000LFM) | Request Quote | Request Sample |
|---|---|---|---|---|---|---|---|---|---|---|
| S818-69-36-050 | 69 | 50 | 36 | 0.32 | 0.25 | 0.23 | 0.2 | 0.18 | Quote | Sample |
| S818-69-36-100 | 69 | 100 | 36 | 0.24 | 0.16 | 0.14 | 0.12 | 0.11 | Quote | Sample |
| S818-69-36-200 | 69 | 200 | 36 | 0.2 | 0.12 | 0.1 | 0.08 | 0.07 | Quote | Sample |
| S818-80-27-050 | 80 | 50 | 27 | 0.32 | 0.24 | 0.21 | 0.2 | 0.18 | Quote | Sample |
| S818-80-27-100 | 80 | 100 | 27 | 0.24 | 0.16 | 0.13 | 0.12 | 0.11 | Quote | Sample |
| S818-80-27-200 | 80 | 200 | 27 | 0.21 | 0.13 | 0.1 | 0.08 | 0.07 | Quote | Sample |
| S818-80-38-050 | 80 | 50 | 38 | 0.41 | 0.32 | 0.26 | 0.22 | 0.19 | Quote | Sample |
| S818-80-38-100 | 80 | 100 | 38 | 0.26 | 0.19 | 0.15 | 0.13 | 0.11 | Quote | Sample |
| S818-80-38-200 | 80 | 200 | 38 | 0.18 | 0.12 | 0.09 | 0.08 | 0.07 | Quote | Sample |
| S818-127-63-050 | 127 | 50 | 63 | 0.15 | 0.12 | 0.1 | 0.09 | 0.08 | Quote | Sample |
| S818-127-63-100 | 127 | 100 | 63 | 0.09 | 0.07 | 0.06 | 0.05 | 0.04 | Quote | Sample |
| S818-127-63-200 | 127 | 200 | 63 | 0.07 | 0.05 | 0.04 | 0.03 | 0.03 | Quote | Sample |
| S818-150-45-050 | 150 | 50 | 45 | 0.16 | 0.14 | 0.12 | 0.1 | 0.09 | Quote | Sample |
| S818-150-45-100 | 150 | 100 | 45 | 0.12 | 0.09 | 0.07 | 0.06 | 0.05 | Quote | Sample |
| S818-150-45-200 | 150 | 200 | 45 | 0.09 | 0.06 | 0.05 | 0.04 | 0.03 | Quote | Sample |
| S818-190-61-050 | 190 | 50 | 61 | 0.14 | 0.12 | 0.1 | 0.09 | 0.08 | Quote | Sample |
| S818-190-61-100 | 190 | 100 | 61 | 0.09 | 0.07 | 0.06 | 0.05 | 0.04 | Quote | Sample |
| S818-190-61-200 | 190 | 200 | 61 | 0.06 | 0.04 | 0.03 | 0.03 | 0.02 | Quote | Sample |
| S818-200-45-050 | 200 | 50 | 45 | 0.12 | 0.09 | 0.07 | 0.06 | 0.05 | Quote | Sample |
| S818-200-45-100 | 200 | 100 | 45 | 0.08 | 0.05 | 0.04 | 0.03 | 0.03 | Quote | Sample |
| S818-200-45-200 | 200 | 200 | 45 | 0.07 | 0.04 | 0.03 | 0.03 | 0.02 | Quote | Sample |
Notes: RSA refers to the thermal resistance from the heat sink to ambient air; Thermal resistance data are for reference only.
S819 Series – For Low to Medium Airflow
| Part Number | Width (mm) | Length (mm) | Height (mm) | RSA (°C/W) Natural Convection | RSA (°C/W) 1.0 m/sec (200 LFM) | RSA (°C/W) 2.0 m/sec (400 LFM) | RSA (°C/W) 3.0 m/sec (600 LFM) | RSA (°C/W) 4.0 m/s (800LFM) | Request Quote | Request Sample |
|---|---|---|---|---|---|---|---|---|---|---|
| S819-40-20-050 | 40 | 50 | 20 | 8.2 | 1.48 | 1.07 | 0.92 | 0.84 | Quote | Sample |
| S819-40-20-100 | 40 | 100 | 20 | 6.85 | 1.12 | 0.73 | 0.6 | 0.53 | Quote | Sample |
| S819-40-20-200 | 40 | 200 | 20 | 5.31 | 0.98 | 0.58 | 0.44 | 0.37 | Quote | Sample |
| S819-45-10-050 | 45 | 50 | 10 | 15.37 | 2.43 | 1.62 | 1.34 | 1.19 | Quote | Sample |
| S819-45-10-100 | 45 | 100 | 10 | 11.1 | 1.92 | 1.19 | 0.93 | 0.8 | Quote | Sample |
| S819-45-10-200 | 45 | 200 | 10 | 8.1 | 1.64 | 0.96 | 0.72 | 0.6 | Quote | Sample |
| S819-50-30-050 | 50 | 50 | 30 | 6.03 | 0.89 | 0.67 | 0.59 | 0.53 | Quote | Sample |
| S819-50-30-100 | 50 | 100 | 30 | 5 | 0.65 | 0.44 | 0.37 | 0.32 | Quote | Sample |
| S819-50-30-200 | 50 | 200 | 30 | 3.94 | 0.56 | 0.34 | 0.26 | 0.22 | Quote | Sample |
| S819-55-10-050 | 55 | 50 | 10 | 12.86 | 1.77 | 1.1 | 0.87 | 0.78 | Quote | Sample |
| S819-55-10-100 | 55 | 100 | 10 | 9.89 | 1.49 | 0.87 | 0.66 | 0.55 | Quote | Sample |
| S819-55-10-200 | 55 | 200 | 10 | 6.77 | 1.2 | 0.7 | 0.5 | 0.43 | Quote | Sample |
| S819-60-10-050 | 60 | 50 | 10 | 10.27 | 1.68 | 1.09 | 0.89 | 0.78 | Quote | Sample |
| S819-60-10-100 | 60 | 100 | 10 | 8.31 | 1.42 | 0.85 | 0.66 | 0.55 | Quote | Sample |
| S819-60-10-200 | 60 | 200 | 10 | 6.7 | 1.26 | 0.72 | 0.53 | 0.44 | Quote | Sample |
| S819-60-18-050 | 60 | 50 | 18 | 7.08 | 1.78 | 1.37 | 1.22 | 1.15 | Quote | Sample |
| S819-60-18-100 | 60 | 100 | 18 | 5.76 | 1.18 | 0.85 | 0.73 | 0.68 | Quote | Sample |
| S819-60-18-200 | 60 | 200 | 18 | 4.45 | 0.89 | 0.58 | 0.48 | 0.43 | Quote | Sample |
| S819-90-15-050 | 90 | 50 | 15 | 7.2 | 0.77 | 0.5 | 0.41 | 0.37 | Quote | Sample |
| S819-90-15-100 | 90 | 100 | 15 | 6.03 | 0.67 | 0.4 | 0.3 | 0.26 | Quote | Sample |
| S819-90-15-200 | 90 | 200 | 15 | 4.48 | 0.61 | 0.35 | 0.26 | 0.21 | Quote | Sample |
| S819-90-30-050 | 90 | 50 | 30 | 4.03 | 1 | 0.75 | 0.66 | 0.61 | Quote | Sample |
| S819-90-30-100 | 90 | 100 | 30 | 2.91 | 0.64 | 0.46 | 0.46 | 0.36 | Quote | Sample |
| S819-90-30-200 | 90 | 200 | 30 | 2.4 | 0.45 | 0.31 | 0.25 | 0.22 | Quote | Sample |
| S819-150-35-050 | 150 | 50 | 35 | 2.38 | 0.44 | 0.33 | 0.28 | 0.26 | Quote | Sample |
| S819-150-35-100 | 150 | 100 | 35 | 1.83 | 0.29 | 0.2 | 0.17 | 0.15 | Quote | Sample |
| S819-150-35-200 | 150 | 200 | 35 | 1.64 | 0.21 | 0.14 | 0.11 | 0.09 | Quote | Sample |
| S819-152-18-050 | 152 | 50 | 18 | 4.19 | 0.66 | 0.53 | 0.46 | 0.4 | Quote | Sample |
| S819-152-18-100 | 152 | 100 | 18 | 3.71 | 0.45 | 0.33 | 0.28 | 0.23 | Quote | Sample |
| S819-152-18-200 | 152 | 200 | 18 | 2.9 | 0.35 | 0.23 | 0.19 | 0.15 | Quote | Sample |
| S819-186-12-100 | 186 | 100 | 12 | 5.18 | 0.51 | 0.34 | 0.29 | 0.26 | Quote | Sample |
| S819-186-12-200 | 186 | 200 | 12 | 4.26 | 0.43 | 0.26 | 0.21 | 0.18 | Quote | Sample |
| S819-186-12-300 | 186 | 300 | 12 | 3.22 | 0.38 | 0.22 | 0.17 | 0.14 | Quote | Sample |
| S819-220-18-100 | 220 | 100 | 18 | 2.98 | 0.43 | 0.32 | 0.28 | 0.26 | Quote | Sample |
| S819-220-18-200 | 220 | 200 | 18 | 2.63 | 0.3 | 0.21 | 0.18 | 0.16 | Quote | Sample |
| S819-220-18-300 | 220 | 300 | 18 | 2.17 | 0.23 | 0.14 | 0.11 | 0.09 | Quote | Sample |
| S819-250-40-100 | 250 | 100 | 40 | 1.83 | 0.19 | 0.14 | 0.12 | 0.11 | Quote | Sample |
| S819-250-40-200 | 250 | 200 | 40 | 1.54 | 0.14 | 0.09 | 0.08 | 0.07 | Quote | Sample |
| S819-250-40-300 | 250 | 300 | 40 | 1.3 | 0.12 | 0.08 | 0.06 | 0.05 | Quote | Sample |
| S819-300-40-100 | 300 | 100 | 40 | 1.38 | 0.19 | 0.15 | 0.12 | 0.1 | Quote | Sample |
| S819-300-40-200 | 300 | 200 | 40 | 1.15 | 0.12 | 0.09 | 0.07 | 0.06 | Quote | Sample |
| S819-300-40-300 | 300 | 300 | 40 | 0.19 | 0.1 | 0.07 | 0.05 | 0.04 | Quote | Sample |
| S819-400-50-100 | 400 | 100 | 50 | 0.84 | 0.16 | 0.12 | 0.1 | 0.08 | Quote | Sample |
| S819-400-50-200 | 400 | 200 | 50 | 0.73 | 0.1 | 0.07 | 0.06 | 0.05 | Quote | Sample |
| S819-400-50-300 | 400 | 300 | 50 | 0.69 | 0.07 | 0.05 | 0.04 | 0.03 | Quote | Sample |
Notes: RSA refers to the thermal resistance from the heat sink to ambient air; Thermal resistance data are for reference only.
S811 Series – Smaller Heat Sink Sizes for General Applications
| Part Number | Width (mm) | Length (mm) | Height (mm) | Weight (g) | RSA (°C/W) Natural Convection | RSA (°C/W) 1.0 m/sec (200 LFM) | RSA (°C/W) 2.0 m/sec (400 LFM) | RSA (°C/W) 3.0 m/sec (600 LFM) | Request Quote | Request Sample |
|---|---|---|---|---|---|---|---|---|---|---|
| S811-0880-050 | 8.8 | 8.8 | 5 | 0.6 | 106 | 36.2 | 27.6 | 22.1 | Quote | Sample |
| S811-1100-050 | 11 | 11 | 5 | 0.9 | 88.1 | 30.4 | 22.5 | 18.2 | Quote | Sample |
| S811-1430-060 | 14.3 | 14.3 | 6 | 1.8 | 51.6 | 17.3 | 12.6 | 9.56 | Quote | Sample |
| S811-1900-095 | 19 | 19 | 9.5 | 3.9 | 26.2 | 9.04 | 6.62 | 5.35 | Quote | Sample |
| S811-2000-060 | 20 | 20 | 6 | 3.2 | 33.9 | 11.6 | 8.34 | 6.15 | Quote | Sample |
| S811-2700-095 | 27 | 27 | 9.5 | 7.7 | 16.4 | 5.56 | 3.87 | 3.16 | Quote | Sample |
| S811-3500-145 | 35 | 35 | 14.5 | 19.6 | 7.55 | 2.53 | 1.7 | 1.26 | Quote | Sample |
| S811-4000-200 | 40 | 40 | 20 | 43.5 | 5.16 | 1.74 | 1.16 | 0.99 | Quote | Sample |
| S811-4000-245 | 40 | 40 | 24.5 | 40.5 | 3.96 | 1.33 | 0.89 | 0.74 | Quote | Sample |
| S811-6000-100 | 60 | 60 | 10 | 41.4 | 5.75 | 1.85 | 1.2 | 0.91 | Quote | Sample |
| S811-9000-150 | 90 | 90 | 15 | 143 | 2.24 | 0.68 | 0.4 | 0.29 | Quote | Sample |
Notes: RSA refers to the thermal resistance from the heat sink to ambient air; Thermal resistance data are for reference only.
Please note all thermal resistance data are for reference only. They may vary from application to application. Please contact us if you would like us to perform thermal analysis, or determine the actual thermal resistance in your system.
Recommended Attachment Method and Thermal Interface Material
S819, S818, and S811 series are designed to work with thermal grease, phase change materials, and adhesive tapes. We recommend 3M 8810 and MHS T302 as the thermal tapes. Please contact us for custom heat sinks using different attachment methods (such as push pins, spring-loaded screws, etc.).
Please visit our Extruded Heat Sinks page for more information about extruded aluminum heat sinks.
How Do We Test Heat Sinks?
At MyHeatSinks, we have a thermal laboratory to analyze heat sinks and measure the thermal resistance of heat sinks, heat pipes, CPU coolers, and other thermal modules with single or multiple heat sources. Our thermal test platform is connected to a wind tunnel which allows users to set up the air flow rate and heating power to simulate the working environment of the heat sink. For more information about our thermal analysis of heat sinks, check out our Laboratory Services page, where we offer thermal analysis of heat sinks with single or multiple heat sources and forced convection.
Cannot find the right heat sink?
Please tell us your requirements – we will conduct a search (or design a custom heatsink) for you.