Heat Sink Thermal Extrusions

Wakefield Thermal Heat Sink Thermal Extrusions are available in 1- and 3-foot lengths and are the most common heat sinks used for thermal management. These heat sinks are manufactured by pushing hot aluminum billets through a steel die to produce the final shape. Extruded heat sinks are usually supplied with a finish such as anodizing, which can enhance their thermal performance. Wakefield Thermal Heat Sink Thermal Extrusions are engineered to achieve optimal thermal and structural performance. 

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Qty. RoHS ECAD Model Product
Designed for
Heatsink Material
Fin Style
Thermal Resistance
Length
Width
Height
Wakefield Thermal Heat Sinks Extrusion Cut to Length, 6.5" W, 12" L, Flatback Heat Sink 16222
Datasheet
21In Stock
Min.: 1
Mult.: 1

Extrusions Aluminum Extruded Radial Fin 1.4 C/W 12 in 6.5 in 2.19 in
Wakefield Thermal Heat Sinks Extrusion Cut to Length, 12", 12.75" Wide, Flatback Heat Sink xx2044
Datasheet
20In Stock
Min.: 1
Mult.: 1

Extrusions Aluminum Extruded Radial Fin 0.56 C/W 12 in 12.75 in 2.25 in
Wakefield Thermal Heat Sinks Extrusion Cut to Length, 6.75" W, 12" L, Flatback Heat Sink 4955
Datasheet
23In Stock
Min.: 1
Mult.: 1

Extrusions Aluminum Extruded Radial Fin 1.37 C/W 12 in 6.75 in 1.185 in
Wakefield Thermal Heat Sinks Extrusion Cut to Length, 5.00" W, 12" L, Flatback Heat Sink 16107
Datasheet
16In Stock
Min.: 1
Mult.: 1

Extrusions Aluminum Extruded Radial Fin 1.1 C/W 12 in 5 in 1.65 in
Wakefield Thermal Heat Sinks Extrusion Cut to Length, 2.24" W, 36" L, Flatback Heat Sink 13107
Datasheet
22In Stock
Min.: 1
Mult.: 1

Extrusions Aluminum Extruded Radial Fin 2.4 C/W 36 in 2.24 in
Wakefield Thermal Heat Sinks Extrusion Cut to Length, 12", High Aspect Ratio, Heat Sink 19832, 12x7.55x2.8"
Datasheet
83In Stock
Min.: 1
Mult.: 1

Extrusions Power Modules, IGBTs Aluminum Rectangular Fin 12 in 7.55 in 2.8 in
Wakefield Thermal Heat Sinks Extrusion Cut to Length, 5.748" W, 12" L, Flatback Heat Sink xx8867 19155
Datasheet
56In Stock
Min.: 1
Mult.: 1

Extrusions Aluminum Extruded Radial Fin 1.57 C/W 12 in 5.748 in 0.905 in
Wakefield Thermal Heat Sinks Extrusion Cut to Length, 12", 2.80" Wide, Flatback Heat Sink 11201 xx6998
Datasheet
69In Stock
1On Order
Min.: 1
Mult.: 1

Extrusions Aluminum Extruded Radial Fin 2.9 C/W 12 in 2.8 in 1.25 in
Wakefield Thermal Heat Sinks Extrusion Cut to Length, 36", 2.875" Wide, Flatback Heat Sink 16078 xx2013
Datasheet
37In Stock
Min.: 1
Mult.: 1

Extrusions Aluminum Extruded Radial Fin 2.3 C/W 36 in 2.875 in 1.312 in
Wakefield Thermal Heat Sinks Extrusion Cut to Length, 36", 4.125", Flatback Heat Sink 2656 xx5138
Datasheet
25In Stock
Min.: 1
Mult.: 1

Extrusions Aluminum Extruded Radial Fin 1.9 C/W 36 in 4.125 in 1.75 in
Wakefield Thermal Heat Sinks Extrusion Cut to Length, 36", 4.375" Wide, Flatback Heat Sink 16296 xx1527
Datasheet
19In Stock
Min.: 1
Mult.: 1

Extrusions Aluminum Extruded Radial Fin 1.4 C/W 36 in 4.375 in 1.29 in
Wakefield Thermal Heat Sinks Extrusion Cut to Length, 36", 6.624" Wide, Flatback Heat Sink 16524 xx7031
Datasheet
25In Stock
Min.: 1
Mult.: 1

Extrusions Aluminum Extruded Radial Fin 1.3 C/W 36 in 6.62 in 1.31 in
Wakefield Thermal Heat Sinks Extrusion Cut to Length, 12", 9.875" Wide, Flatback Heat Sink 16329 xx1703
Datasheet
33In Stock
Min.: 1
Mult.: 1

Extrusions Aluminum Extruded Radial Fin 0.91 C/W 12 in 9.875 in 1.31 in
Wakefield Thermal Heat Sinks Extrusion Cut to Length, 36", 6.961" Wide, Flatback Heat Sink 13694 xx6274
Datasheet
19In Stock
Min.: 1
Mult.: 1

Extrusions Aluminum 0.8 C/W 3 ft 6.9 in 2.79 in
Wakefield Thermal Heat Sinks Extrusion Cut to Length, 36", 7.00" Wide, Flatback Heat Sink 15837
Datasheet
38In Stock
Min.: 1
Mult.: 1

Extrusions Aluminum Extruded Radial Fin 0.3 C/W 36 in 7 in 2.27 in
Wakefield Thermal Heat Sinks Extrusion Cut to Length, 9.333" W, 12" L, Flatback Heat Sink 16386
Datasheet
48In Stock
Min.: 1
Mult.: 1

Extrusions Aluminum Extruded Radial Fin 1.04 C/W 12 in 9.333 in 0.905 in
Wakefield Thermal Heat Sinks Extrusion Cut to Length, 6.00" W, 12" L, Long High Aspect Heat Sink 19767
Datasheet
22In Stock
Min.: 1
Mult.: 1

Extrusions Aluminum Extruded Radial Fin 0.49 C/W 12 in 6 in 2.75 in
Wakefield Thermal Heat Sinks Extrusion Cut to Length, 12", 11.811" Wide, Flatback Heat Sink 19740
Datasheet
24In Stock
Min.: 1
Mult.: 1

Extrusions Aluminum Extruded Radial Fin 0.46 C/W 12 in 11.811 in 3.287 in
Wakefield Thermal Heat Sinks Extrusion Cut to L, 12 Inch, High Aspect Ratio, Heat Sink 19152, 12x12.25x1 Inch
Datasheet
9In Stock
25Expected 04-09-2026
Min.: 1
Mult.: 1

Extrusions Power Modules, IGBTs Aluminum Rectangular Fin 12 in 12.25 in 1 in
Wakefield Thermal Heat Sinks Extrusion Cut to Length, 36", 1.75" W, BGA Extrusion 16249 xx8260-65
Datasheet
20In Stock
Min.: 1
Mult.: 1

Extrusions BGA Aluminum Extruded Radial Fin 7.8 C/W 36 in 1.75 in 0.65 in
Wakefield Thermal Heat Sinks Extrusion Cut to Length, 12", 1.625" Wide, Flatback Heat Sink 16079 xx2014
Datasheet
6In Stock
50Expected 14-10-2026
Min.: 1
Mult.: 1

Extrusions Aluminum Extruded Radial Fin 3.2 C/W 12 in 1.625 in 1.312 in
Wakefield Thermal Heat Sinks Extrusion Cut to Length, 36", 1.625" Wide, Flatback Heat Sink 16079 xx2014
Datasheet
7In Stock
Min.: 1
Mult.: 1

Extrusions Aluminum 3 ft
Wakefield Thermal Heat Sinks Extrusion Cut to Length, 12", 2.10" W, BGA Extrusion 12554 xx8355-100
Datasheet
34In Stock
Min.: 1
Mult.: 1

Extrusions BGA Aluminum Extruded Radial Fin 3.8 C/W 12 in 2.1 in 1 in
Wakefield Thermal Heat Sinks Extrusion Cut to Length, 36", 2.10" W, BGA Extrusion 12554 xx8355-100
Datasheet
9In Stock
Min.: 1
Mult.: 1

Extrusions BGA Aluminum Extruded Radial Fin 3.8 C/W 36 in 2.1 in 1 in
Wakefield Thermal Heat Sinks Extrusion Cut to Length, 12", 2.875" Wide, Flatback Heat Sink 16078 xx2013
Datasheet
21In Stock
Min.: 1
Mult.: 1

Extrusions Aluminum Extruded Radial Fin 2.3 C/W 12 in 2.875 in 1.312 in