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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Wakefield Thermal Heat Sinks Extrusion Cut to Length, 12", 10.50" Wide, Flatback Heat Sink 16990 xx2904
Datasheet
48May Stock
Min.: 1
Mult.: 1

Extrusions Aluminum Extruded Radial Fin 1.3 C/W 12 in 10.5 in 1.645 in
Wakefield Thermal Heat Sinks Extrusion Cut to Length, 12", 5.375", Flatback Heat Sink 6037 xx5045
Datasheet
38May Stock
Min.: 1
Mult.: 1

Extrusions Aluminum Extruded Radial Fin 1.8 C/W 12 in 5.375 in 1.312 in
Wakefield Thermal Heat Sinks Extrusion Cut to Length, 12", 6.624" Wide, Flatback Heat Sink 16524 xx7031
Datasheet
38May Stock
Min.: 1
Mult.: 1

Extrusions Aluminum Extruded Radial Fin 1.3 C/W 12 in 6.624 in 1.312 in
Wakefield Thermal Heat Sinks Extrusion Cut to Length, 12", 8.35" Wide, Flatback Heat Sink 13668 xx4937
Datasheet
63May Stock
Min.: 1
Mult.: 1

Extrusions Aluminum Extruded Radial Fin 0.9 C/W 12 in 8.35 in 2 in
Wakefield Thermal Heat Sinks Extrusion Cut to Length, 12", 11.875" Wide, Flatback Heat Sink 17099
Datasheet
20May Stock
Min.: 1
Mult.: 1

Extrusions Aluminum Extruded Radial Fin 0.4 C/W 12 in 11.875 in 2.594 in
Wakefield Thermal Heat Sinks Extrusion Cut to Length, 12", High Aspect Ratio, Heat Sink 15817, 12x7.38x3.1"
Datasheet
33May Stock
Min.: 1
Mult.: 1

Extrusions Power Modules, IGBTs Aluminum Rectangular Fin 12 in 7.375 in 3.136 in
Wakefield Thermal Heat Sinks Extrusion Cut to Length, 12", 4.125", Flatback Heat Sink 2656 xx5138
Datasheet
45May Stock
Min.: 1
Mult.: 1

Extrusions Aluminum Extruded Radial Fin 1.9 C/W 12 in 4.125 in 1.75 in
Wakefield Thermal Heat Sinks Extrusion Cut to Length, 12", 5.00" Wide, Flatback Heat Sink 16338 xx2065
Datasheet
38May Stock
Min.: 1
Mult.: 1

Extrusions Aluminum Extruded Radial Fin 1.6 C/W 12 in 5 in 1.75 in
Wakefield Thermal Heat Sinks Extrusion Cut to Length, 9.333" W, 12" L, Flatback Heat Sink 16386
Datasheet
49May Stock
5Inaasahan 3/24/2026
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, 5.86" W, 12" L, Flatback Heat Sink 14461
Datasheet
47May Stock
Min.: 1
Mult.: 1

Extrusions Aluminum Extruded Radial Fin 1.1 C/W 12 in 5.86 in 2 in
Wakefield Thermal Heat Sinks Extrusion Cut to Length, 12", 13.381" Wide, Flatback Heat Sink xx5429
Datasheet
67May Stock
Min.: 1
Mult.: 1

Extrusions Aluminum Extruded Radial Fin 0.65 C/W 12 in 13.381 in 1.312 in
Wakefield Thermal Heat Sinks Extrusion Cut to Length, 5.748" W, 12" L, Flatback Heat Sink xx8867 19155
Datasheet
10May 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", 4.60" Wide, DC/DC Heat Sink Extrusion 12614
Datasheet
9May Stock
50Inaasahan 4/20/2026
Min.: 1
Mult.: 1

Extrusions DC/DC Converter Aluminum Extruded Radial Fin 2.1 C/W 12 in 4.6 in 0.9 in
Wakefield Thermal Heat Sinks Extrusion Cut to Length, 36", 1.45" Wide, DC/DC Heat Sink Extrusion 14363
Datasheet
21May Stock
Min.: 1
Mult.: 1

Extrusions DC/DC Converter Aluminum 3 ft
Wakefield Thermal Heat Sinks Extrusion Cut to Length, 36", 9.24" Wide, Flatback Heat Sink 19035
Datasheet
2May Stock
Min.: 1
Mult.: 1

Extrusions Aluminum Extruded Radial Fin 0.62 C/W 36 in 9.24 in 2.53 in
Wakefield Thermal Heat Sinks Extrusion Cut to Length, 12", 2.80" Wide, Flatback Heat Sink 11201 xx6998
Datasheet
37May Stock
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, 12", 5.00", H Style Heat Sink 6542 xx1245
Datasheet
61May Stock
Min.: 1
Mult.: 1

Extrusions Aluminum Extruded Radial Fin 0.72 C/W 12 in 5 in 5 in
Wakefield Thermal Heat Sinks Extrusion Cut to Length, 4.519" W, 12" L, Flatback with Mounting Feet 19133
Datasheet
41May Stock
Min.: 1
Mult.: 1

Extrusions Aluminum Extruded Radial Fin 2.4 C/W 12 in 4.519 in 1.918 in
Wakefield Thermal Heat Sinks 19275 Extrusion Profile Cut to 12 Inches, 12x7.4x2.17 Inch, High Aspect Ratio
Datasheet
24May Stock
Min.: 1
Mult.: 1

Extrusions Power Modules, IGBTs Aluminum Rectangular Fin 12 in 7.682 in 2.165 in
Wakefield Thermal Heat Sinks Extrusion Cut to Length, 12", 4.702" Wide, Mounting Shelf Extrusion 14264
Datasheet
60May Stock
Min.: 1
Mult.: 1

Extrusions Aluminum Extruded Radial Fin 1.8 C/W 12 in 4.702 in 3.312 in
Wakefield Thermal Heat Sinks Extrusion Cut to Length, 2.24" W, 36" L, Flatback Heat Sink 13107
Datasheet
24May 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", 2.10" W, BGA Extrusion 12554 xx8355-100
Datasheet
55May 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", 5.375", Flatback Heat Sink 6037 xx5045
Datasheet
22May Stock
Min.: 1
Mult.: 1

Extrusions Aluminum Extruded Radial Fin 1.8 C/W 36 in 5.37 in 1.3 in
Wakefield Thermal Heat Sinks Extrusion Cut to Length, 6.00" W, 12" L, Long High Aspect Heat Sink 19767
Datasheet
30May 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, 6.00" W, 12" L, Flatback Heat Sink 12054
Datasheet
42May Stock
Min.: 1
Mult.: 1

Extrusions Aluminum Extruded Radial Fin 2.8 C/W 12 in 6 in 0.275 in