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ELLIPTICAL FIN BGA HEATSINKS

These heatsinks were created to ease the thermal challenges design engineers face when working with newer BGA and other SMT packaged chipsets incorporating increased chip speed and power requirements. Large fins and lower pressure drop characteristics ensure optimal cooling performance.

FEATURES & BENEFITS

  • Ideal for applications with swirling air environments or multiple heatsinks are used in a series (in a row)
  • Low pressure drop characteristics provide superior cooling performance
  • Attachment options include a plastic BGA clip for easy installation and removal, or Chometrics T710 interface pad
  • No modifications or mounting accessories required
  • Standard finish includes lightweight Aluminum 6063 with black anodized plating
Size (W X L) Base Height Wt.(g) Thermal Resistance (degrees C/W)
ET Part#

(mm)

(mm)
100lfm 200lfm 300lfm 500lfm
700lfm
21mm
21.0x21.0 2.6 14.6 7.20 9.532 6.626 5.427 4.260 3.659 HEF21001-15W/2.6
21.0x21.0 2.6 17.6 7.80 7.791 5.441 4.473 3.533 3.051 HEF21001-18W/2.6
21.0x21.0 2.6 20.6 8.40 6.622 4.654 3.844 3.060 2.659 HEF21001-21W/2.6
21.0x21.0 2.6 22.6 8.80 6.037 4.264 3.534 2.830 2.470 HEF21001-23W/2.6
21.0x21.0 2.6 27.6 9.80 5.465 3.832 3.201 2.588 2.272 HEF21001-28W/2.6
21.0x21.0 2.6 32.6 10.80 4.519 3.248 2.752 2.266 2.014 HEF21001-33W/2.6
23mm
23.0x23.0 2.6 14.6 8.70 7.863 5.360 4.381 3.412 2.910 HEF23001-15W/2.6
23.0x23.0 2.6 17.6 9.40 6.430 4.415 3.609 2.827 2.108 HEF23001-18W/2.6
23.0x23.0 2.6 20.6 10.00 5.466 3.774 3.099 2.445 2.108 HEF23001-21W/2.6
23.0x23.0 2.6 22.6 10.50 4.982 3.455 2.846 2.258 1.955 HEF23001-23W/2.6
23.0x23.0 2.6 27.6 11.60 4.390 3.106 2.592 2.087 1.824 HEF23001-28W/2.6
23.0x23.0 2.6 32.6 12.70 3.776 2.709 2.284 1.867 1.649 HEF23001-33W/2.6
25mm
25.0x25.0 2.6 14.6 9.70 6.853 4.629 3.744 2.890 2.467 HEF25001-15W/2.6
25.0x25.0 2.6 17.6 10.40 5.610 3.804 3.087 2.397 2.057 HEF25001-18W/2.6
25.0x25.0 2.6 20.6 11.10 4.772 3.254 2.653 2.075 1.791 HEF25001-21W/2.6
25.0x25.0 2.6 22.6 11.60 4.351 2.981 2.438 1.917 1.662 HEF25001-23W/2.6
25.0x25.0 2.6 27.6 12.70 3.863 2.703 2.244 1.800 1.575 HEF25001-28W/2.6
25.0x25.0 2.6 32.6 13.90 3.323 2.359 1.979 1.611 1.425 HEF25001-33W/2.6
27mm
27.0x27.0 2.6 14.6 11.00 6.694 4.480 3.635 2.858 2.486 HEF27001-15W/2.6
27.0x27.0 2.6 17.6 11.80 5.472 3.674 2.989 2.362 2.063 HEF27001-18W/2.6
27.0x27.0 2.6 20.6 12.60 4.648 3.136 2.560 2.036 1.788 HEF27001-18W/2.6
27.0x27.0 2.6 22.6 13.10 4.234 2.867 2.348 1.876 1.654 HEF27001-23W/2.6
27.0x27.0 2.6 27.6 14.50 3.817 2.657 2.213 1.803 1.604 HEF27001-28W/2.6
27.0x27.0 2.6 32.6 15.80 3.275 2.309 1.941 1.604 1.441 HEF27001-33W/2.6
31mm
31.0x31.0 2.6 14.6 15.30 5.221 3.331 2.664 2.007 1.698 HEF31001-15W/2.6
31.0x31.0 2.6 17.6 16.70 4.274 2.735 2.177 1.660 1.410 HEF31001-18W/2.6
31.0x31.0 2.6 20.6 18.00 3.633 2.335 1.866 1.431 1.222 HEF31001-21W/2.6
31.0x31.0 2.6 22.6 18.90 3.310 2.136 1.711 1.319 1.131 HEF31001-23W/2.6
31.0x31.0 2.6 27.6 21.10 2.880 1.915 1.558 1.227 1.060 HEF31001-28W/2.6
31.0x31.0 2.6 32.6 23.40 2.470 1.663 1.365 1.090 0.952 HEF31001-33W/2.6
35mm
35.0x35.0 2.6 14.6 20.90 4.538 2.932 2.339 1.804 1.550 HEF35001-15W/2.6
35.0x35.0 2.6 17.6 22.60 3.713 2.404 1.922 1.488 1.283 HEF35001-18W/2.6
35.0x35.0 2.6 20.6 23.70 3.154 2.050 1.643 1.279 1.108 HEF35001-21W/2.6
35.0x35.0 2.6 22.6 26.40 2.872 1.872 1.504 1.176 1.022 HEF35001-23W/2.6
35.0x35.0 2.6 27.6 29.20 2.529 1.684 1.372 1.089 0.955 HEF35001-28W/2.6
35.0x35.0 2.6 32.6 20.90 2.163 1.456 1.196 0.962 0.851 HEF35001-33W/2.6
37.5mm
37.5x37.5 2.6 14.6 22.20 4.215 2.737 2.206 1.737 1.514 HEF37001-15W/2.6
37.5x37.5 2.6 17.6 24.10 3.449 2.243 1.811 1.431 1.251 HEF37001-18W/2.6
37.5x37.5 2.6 20.6 26.10 2.929 1.911 1.547 1.229 1.079 HEF37001-21W/2.6
37.5x37.5 2.6 22.6 27.40 2.667 1.745 1.416 1.129 0.994 HEF37001-23W/2.6
37.5x37.5 2.6 27.6 30.60 2.325 1.539 1.259 1.014 0.897 HEF37001-28W/2.6
37.5x37.5 2.6 32.6 33.90 1.988 1.329 1.096 0.894 0.798 HEF37001-33W/2.6
40mm
40.0x40.0 2.6 14.6 25.20 3.652 2.360 1.865 1.409 1.189 HEF40001-15W/2.6
40.0x40.0 2.6 17.6 27.40 2.992 1.936 1.533 1.163 0.984 HEF40001-18W/2.6
40.0x40.0 2.6 20.6 29.60 2.543 1.651 1.311 0.999 0.850 HEF40001-21W/2.6
40.0x40.0 2.6 22.6 31.10 2.316 1.508 1.200 0.918 0.784 HEF40001-23W/2.6
40.0x40.0 2.6 27.6 34.70 2.031 1.346 1.088 0.849 0.732 HEF40001-28W/2.6
40.0x40.0 2.6 32.6 38.40 1.737 1.163 0.948 0.749 0.652 HEF40001-33W/2.6
42.5mm
42.5x42.5 2.6 14.6 27.80 3.387 2.101 1.646 1.231 1.032 HEF42.5001-15W/2.6
42.5x42.5 2.6 17.6 30.20 2.775 1.724 1.353 1.015 0.854 HEF42.5001-18W/2.6
42.5x42.5 2.6 20.6 32.60 2.359 1.470 1.156 0.872 0.737 HEF42.5001-21W/2.6
42.5x42.5 2.6 22.6 34.20 2.148 1.342 1.058 0.801 0.679 HEF42.5001-23W/2.6
42.5x42.5 2.6 27.6 38.20 1.857 1.191 0.951 0.733 0.628 HEF42.5001-28W/2.6
42.5x42.5 2.6 32.6 42.20 1.587 1.028 0.828 0.646 0.558 HEF42.5001-33W/2.6
45mm
45.0x45.0 2.6 14.6 31.20 3.062 1.942 1.523 1.146 0.965 HEF45001-15W/2.6
45.0x45.0 2.6 17.6 34.00 2.510 1.594 1.252 0.945 0.798 HEF45001-18W/2.6
45.0x45.0 2.6 20.6 36.70 2.134 1.359 1.069 0.811 0.688 HEF45001-21W/2.6
45.0x45.0 2.6 22.6 38.60 1.943 1.240 0.978 0.744 0.633 HEF45001-23W/2.6
45.0x45.0 2.6 27.6 43.20 1.685 1.095 0.875 0.677 0.539 HEF45001-28W/2.6
45.0x45.0 2.6 32.6 47.80 1.440 0.945 0.761 0.595 0.478 HEF45001-33W/2.6