Forged Heatsink

Forged Roundpin heatsink with pushpinForging involves the shaping of metal using localized compressive forces. A good example of this process can be found at this video link. A Forged heatsink is manufactured using a modification of this process called cold forging.  Cold forging uses high pressure and low temperature to ensure that no air bubbles, or other impurities are trapped in the material. This improves the thermal properties of the heatsink, and increases the density of the material. Radian Thermal Products utilizes special open die tooling and intense pressure to produces high precision heatsinks with high aspect ratios.  A Forged heatsink is typically manufactured one part at a time, and can be can be made from AL 6063 or C1100. Aspect ratio up to 35:1 are feasible, and no draft angles required on fins. Fins can be round, elliptical, straight or any combination on the same part.

 

aluminum forged heatsink with copper insertAn added benefit of this process is that Forged heatsinks of the same design can be manufactured with different heights using only one set of forging die. When working with high aspect ratio, or dense fins a forged heatsink has no thermal interface between the fins/pins, and the base which will provide better performance compared with stamped-fin or bonded-fin heat sinks. Heat distribution can be further improved in aluminum heatsinks by embedding a copper inserts into the base during the forging.

As this process is fairly expensive, for small volumes it may be worth exploring extrusion with a cross cut to produce square pins. For larger volumes die cast is a good alternative.

 

BGA Elliptical Forged Heatsinks

Radian Part NumberTypeMaterialStyleLength (mm)Width (mm)Height (mm)Theta SA at 200LFMTheta SA at 400LFMTheta SA at 600LFMStore
INM17001-11W/1.7BGAAluminumElliptical171710.77.86.15.43View product
INM17001-14W/1.7BGAAluminumElliptical171713.77.165.544.82View product
INM17001-17W/1.7BGAAluminumElliptical171716.76.555.034.31View product
INM17001-22W/1.7BGAAluminumElliptical171721.75.744.363.69View product
INM17001-27W/1.7BGAAluminumElliptical171726.75.2943.41View product
INM17001-32W/1.7BGAAluminumElliptical171731.74.833.663.18View product
INM19001-15W/2.6BGAAluminumElliptical191914.65.894.483.84View product
INM19001-18W/2.6BGAAluminumElliptical191917.65.454.033.48View product
INM19001-23W/2.6BGAAluminumElliptical191922.64.73.462.98View product
INM19001-28W/2.6BGAAluminumElliptical191927.64.213.152.74View product
INM19001-33W/2.6BGAAluminumElliptical191932.63.882.882.54View product
INM21001-15W/2.6BGAAluminumElliptical212114.65.13.462.82View product
INM21001-28W/2.6BGAAluminumElliptical212127.63.742.522.04View product
INM21001-33W/2.6BGAAluminumElliptical212132.63.432.291.9View product
INM23001-15W/2.6BGAAluminumElliptical232314.64.222.942.46View product
INM23001-21W/2.6BGAAluminumElliptical232320.63.692.492.06View product
INM23001-28W/2.6BGAAluminumElliptical232327.63.12.11.6View product
INM23001-33W/2.6BGAAluminumElliptical232332.62.821.891.6View product
INM25001-18W/2.6BGAAluminumElliptical252517.63.72.522.05View product
INM25001-23W/2.6BGAAluminumElliptical252522.63.182.181.76View product
INM25001-28W/2.6BGAAluminumElliptical252527.62.871.951.57View product
INM27001-15W/2.6BGAAluminumElliptical272714.63.892.662.23View product
INM27001-18W/2.6BGAAluminumElliptical272717.63.592.422.01View product
INM27001-23W/2.6BGAAluminumElliptical272722.63.082.041.66View product
INM27001-28W/2.6BGAAluminumElliptical272727.62.781.781.47View product
INM27001-33W/2.6BGAAluminumElliptical272732.62.521.611.31View product
INM29001-15W/2.6BGAAluminumElliptical292914.63.812.522.02View product
INM29001-18W/2.6BGAAluminumElliptical292917.63.562.311.84View product
INM29001-28W/2.6BGAAluminumElliptical292927.62.721.661.33View product
INM29001-33W/2.6BGAAluminumElliptical292932.62.471.491.18View product
INM31001-15W/2.6BGAAluminumElliptical313114.63.132.021.66View product
INM31001-18W/2.6BGAAluminumElliptical313117.62.851.791.45View product
INM31001-21W/2.6BGAAluminumElliptical313120.62.631.631.31View product
INM31001-23W/2.6BGAAluminumElliptical313122.62.441.51.19View product
INM31001-28W/2.6BGAAluminumElliptical313127.62.211.361.05View product
INM31001-33W/2.6BGAAluminumElliptical313132.62.021.190.93View product
INM33001-15W/2.6BGAAluminumElliptical333314.62.971.881.54View product
INM33001-18W/2.6BGAAluminumElliptical333317.62.691.71.37View product
INM33001-21W/2.6BGAAluminumElliptical333320.62.51.521.22View product
INM33001-23W/2.6BGAAluminumElliptical333322.62.31.371.08View product
INM33001-28W/2.6BGAAluminumElliptical333327.62.081.230.98View product
INM33001-33W/2.6BGAAluminumElliptical333332.61.891.080.86View product
INM35001-21W/2.6BGAAluminumElliptical353520.62.351.521.15View product
INM35001-23W/2.6BGAAluminumElliptical353522.62.131.351.01View product
INM35001-28W/2.6BGAAluminumElliptical353527.61.941.190.86View product
INM35001-33W/2.6BGAAluminumElliptical353532.61.691.020.72View product
INM40001-21W/2.6BGAAluminumElliptical404020.62.131.310.97View product
INM40001-23W/2.6BGAAluminumElliptical404022.61.931.150.85View product
INM40001-28W/2.6BGAAluminumElliptical404027.61.7310.73View product
INM40001-33W/2.6BGAAluminumElliptical404032.61.550.850.62View product
INM42.5001-15W/2.6BGAAluminumElliptical42.542.514.62.481.631.27View product
INM42.5001-18W/2.6BGAAluminumElliptical42.542.517.62.251.421.1View product
INM42.5001-21W/2.6BGAAluminumElliptical42.542.520.62.041.270.93View product
INM42.5001-23W/2.6BGAAluminumElliptical42.542.522.61.861.10.79View product
INM42.5001-28W/2.6BGAAluminumElliptical42.542.527.61.660.920.62View product
INM42.5001-33W/2.6BGAAluminumElliptical42.542.532.61.390.750.47View product
INM45001-15W/2.6BGAAluminumElliptical454514.62.421.571.15View product
INM45001-18W/2.6BGAAluminumElliptical454517.621.390.99View product
INM45001-21W/2.6BGAAluminumElliptical454520.621.220.85View product
INM45001-23W/2.6BGAAluminumElliptical454522.61.791.080.74View product
INM45001-28W/2.6BGAAluminumElliptical454527.61.590.910.6View product
INM45001-33W/2.6BGAAluminumElliptical454532.60.90.70.5View product

BGA Aluminum Round Pin Forged Heatsinks

Radian Part NumberTypeMaterial StyleLength (mm)Width (mm)Height (mm)Theta SA at 200LFMTheta SA at 400LFMTheta SA at 600LFMStore
INM19002-12P/2-6BGAAluminumRoundpin191911.66.874.954.26View product
INM19002-15P/2.6BGAAluminumRoundpin191914.66.564.663.96View product
INM19002-20P/2.6BGAAluminumRoundpin191919.65.13.73View product
INM19002-25P/2.6BGAAluminumRoundpin191924.64.73.42.7View product
INM27002-12P/2.6BGAAluminumRoundpin272711.65.043.212.38View product
INM27002-15P/2.6BGAAluminumRoundpin272714.64.672.932.17View product
INM27002-20P/2.6BGAAluminumRoundpin272719.63.12.21.9View product
INM27002-25P/2.6BGAAluminumRoundpin272724.62.821.7View product
INM29002-25P/2.6BGAAluminumRoundpin292924.62.51.81.4View product
INM33002-12P/2.6BGAAluminumRoundpin333311.63.462.251.66View product
INM33002-15P/2.6BGAAluminumRoundpin333314.63.272.051.48View product
INM33002-20P/2.6BGAAluminumRoundpin333319.62.31.61.3View product
INM33002-25P/2.6BGAAluminumRoundpin333324.61.91.41.2View product
INM35002-12P/2.6BGAAluminumRoundpin353511.63.182.041.53View product
INM35002-15P/2.6BGAAluminumRoundpin353514.62.971.871.37View product
INM35002-20P/2.6BGAAluminumRoundpin353519.621.51.2View product
INM35002-25P/2.6BGAAluminumRoundpin353524.61.81.31View product
INM37.5002-15P/2.6BGAAluminumRoundpin37.537.514.62.831.781.23View product
INM37.5002-20P/2.6BGAAluminumRoundpin37.537.519.61.81.41.2View product
INM40002-12P/2.6BGAAluminumRoundpin404011.62.961.921.39View product
INM40002-15P/2.6BGAAluminumRoundpin404014.62.761.71.21View product
INM40002-20P/2.6BGAAluminumRoundpin404019.61.71.20.9View product
INM40002-25P/2.6BGAAluminumRoundpin404024.61.410.8View product
INM42.5002-12P/2.6BGAAluminumRoundpin42.542.511.62.851.711.23View product
INM42.5002-15P/2.6BGAAluminumRoundpin42.542.514.62.621.511.03View product
INM42.5002-20P/2.6BGAAluminumRoundpin42.542.519.62.191.180.73View product
INM42.5002-25P/2.6BGAAluminumRoundpin42.542.524.61.30.80.7View product

BGA Copper Round Pin Forged Heatsinks

Radian Part NumberTypeMaterialStyleLength (mm)Width (mm)Height (mm)Theta SA at 200LFMTheta SA at 400LFMTheta SA at 600LFMStore
INM19002-12PCU/2.6BGACopperRoundpin191911.66.084.392.95View product
INM19002-15PCU/2.6BGACopperRoundpin191914.65.794.123.47View product
INM19002-20PCU/2.6BGACopperRoundpin191919.64.23.12.6View product
INM19002-25PCU/2.6BGACopperRoundpin191924.63.92.92.4View product
INM27002-12PCU/2.6BGACopperRoundpin272711.64.343.052.36View product
INM27002-15PCU/2.6BGACopperRoundpin272714.64.072.832.15View product
INM27002-20PCU/2.6BGACopperRoundpin272719.62.82.11.7View product
INM27002-25PCU/2.6BGACopperRoundpin272724.62.61.91.6View product
INM29002-12PCU/2.6BGACopperRoundpin292911.63.932.592View product
INM29002-15PCU/2.6BGACopperRoundpin292914.63.652.381.81View product
INM33002-15PCU/2.6BGACopperRoundpin333314.63.012.011.43View product
INM33002-20PCU/2.6BGACopperRoundpin333319.61.81.10.9View product
INM33002-25PCU/2.6BGACopperRoundpin333324.61.610.8View product
INM35002-12PCU/2.6BGACopperRoundpin353511.63.132.021.5View product
INM35002-15PCU/2.6BGACopperRoundpin353514.62.831.791.33View product
INM37.5002-12PCU/2.6BGACopperRoundpin37.537.511.62.961.951.39View product
INM37.5002-15PCU/2.6BGACopperRoundpin37.537.514.62.751.731.19View product
INM40002-12PCU/2.6BGACopperRoundpin404011.62.811.771.29View product
INM40002-15PCU/2.6BGACopperRoundpin404014.62.591.591.09View product
INM40002-20PCU/2.6BGACopperRoundpin404019.61.510.8View product
INM40002-25PCU/2.6BGACopperRoundpin404024.61.40.90.7View product
INM42.5002-12PCU/2.6BGACopperRoundpin42.542.511.62.671.661.19View product
INM42.5002-15PCU/2.6BGACopperRoundpin42.542.514.62.441.441View product
INM42.5002-20PCU/2.6BGACopperRoundpin42.542.519.61.30.90.8View product
INM42.5002-25PCU/2.6BGACopperRoundpin42.542.524.61.20.80.7View product

BGA Round Pin Forged Heatsinks with pushpins

Radian Part NumberTypeMaterialStyleLength (mm)Width (mm)Height (mm)Theta SATheta SA at 400LFMTheta SA at 600LFMStore
inm37-5004-12P/2-6PushpinAluminumRoundpin37.537.511.62.741.771.4View product
inm37-5004-12PCU/2-6PushpinAluminumRoundpin37.537.511.6226781.671.31View product
inm37-5004-15PCU/2-6PushpinAluminumRoundpin37.537.514.62.221.441.11View product
inm37-5004-20P/2-6PushpinAluminumRoundpin37.537.519.61.81.41.2View product
inm37-5004-25P/2-6PushpinAluminumRoundpin37.537.524.61.41.10.8View product
inm37-5004-25PCU/2-6PushpinAluminumRoundpin37.537.524.61.50.90.7View product
Standard BGA sizes
High Aspect Ratio
Forged Copper or Aluminum

"Forge ahead with our Heatsinks!"