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", 11.811" Wide, Flatback Heat Sink 19740
Datasheet
30May Stock
Min.: 1
Mult.: 1

Extrusions Aluminum Extruded Radial Fin 0.46 C/W 1 ft 11.8 in 3.28 in
Wakefield Thermal Heat Sinks Extrusion Cut to Length, 12", 11.875" Wide, Flatback Heat Sink 17099
Datasheet
26May Stock
Min.: 1
Mult.: 1

Extrusions Aluminum Extruded Radial Fin 0.4 C/W 1 ft 11.87 in 2.59 in
Wakefield Thermal Heat Sinks Extrusion Cut to Length, 12", 12.75" Wide, Flatback Heat Sink xx2170
Datasheet
56May Stock
Min.: 1
Mult.: 1

Extrusions Aluminum Extruded Radial Fin 0.6 C/W 1 ft 1.063 ft 1.35 in
Wakefield Thermal Heat Sinks Extrusion Cut to Length, 12", 5.00" Wide, Power Module Extrusion 16936 xx7330
Datasheet
34May Stock
Min.: 1
Mult.: 1

Extrusions Aluminum Extruded Radial Fin 1.7 C/W 1 ft 5 in 2.5 in
Wakefield Thermal Heat Sinks Extrusion Cut to Length, 7.34" W, 12" L, Flatback Heat Sink xx5523 14433
Datasheet
26May Stock
Min.: 1
Mult.: 1

Extrusions Aluminum Extruded Radial Fin 1.8 C/W 1 ft 7.34 in
Wakefield Thermal Heat Sinks Extrusion Cut to Length, 36", 7.00" Wide, Flatback Heat Sink 15837
Datasheet
61May 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 19671 Extrusion Profile Cut to 12 Inches, 12x5.32x1.6 Inch, High Aspect Ratio
Datasheet
15May Stock
Min.: 1
Mult.: 1

Extrusions Power Modules, IGBTs Aluminum Rectangular Fin 304.8 mm 135.32 mm 41.4 mm
Wakefield Thermal Heat Sinks Extrusion Cut to L, 12 Inch, High Aspect Ratio, Heat Sink 15837, 12x7x2.275 Inch
Datasheet
28May Stock
Min.: 1
Mult.: 1

Extrusions Power Modules, IGBTs Aluminum Rectangular Fin 304.8 mm 177.8 mm 57.78 mm
Wakefield Thermal Heat Sinks Extrusion Cut to L, 12 Inch, High Aspect Ratio, Heat Sink 16681, 12x8.4x1.4 Inch
Datasheet
37May Stock
Min.: 1
Mult.: 1

Extrusions Power Modules, IGBTs Aluminum Rectangular Fin 304.8 mm 213.36 mm 35.56 mm
Wakefield Thermal Heat Sinks Extrusion Cut to Length, 12", High Aspect Ratio, Heat Sink 19832, 12x7.55x2.8"
Datasheet
67May Stock
Min.: 1
Mult.: 1

Extrusions Power Modules, IGBTs Aluminum Rectangular Fin 304.8 mm 191.77 mm 71.12 mm
Wakefield Thermal Heat Sinks Extrusion Cut to Length, 12", 3" Wide, Flatback Heat Sink 9099
Datasheet
46May Stock
50Inaasahan 2/19/2026
Min.: 1
Mult.: 1

Extrusions Aluminum Extruded Radial Fin 1.5 C/W 1 ft 3 in 2 in
Wakefield Thermal Heat Sinks Extrusion Cut to Length, 36", 3" Wide, Flatback Heat Sink 9099
Datasheet
20May Stock
Min.: 1
Mult.: 1

Extrusions Aluminum Extruded Radial Fin 1.5 C/W 36 in 3 in 2 in
Wakefield Thermal Heat Sinks Extrusion Cut to Length, 12", 4.375" Wide, Flatback Heat Sink 16296 xx1527
Datasheet
51May Stock
Min.: 1
Mult.: 1

Extrusions Aluminum Extruded Radial Fin 1.4 C/W 1 ft 4.375 in 1.29 in
Wakefield Thermal Heat Sinks Extrusion Cut to Length, 36", 4.375" Wide, Flatback Heat Sink 16296 xx1527
Datasheet
22May 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, 12", 5.375", Flatback Heat Sink 6037 xx5045
Datasheet
38May Stock
Min.: 1
Mult.: 1

Extrusions Aluminum Extruded Radial Fin 1.8 C/W 1 ft 5.37 in 1.3 in
Wakefield Thermal Heat Sinks Extrusion Cut to Length, 12", 5.50", Flatback Heat Sink 13760 xx2199
Datasheet
56May Stock
Min.: 1
Mult.: 1

Extrusions Aluminum Extruded Radial Fin 1.2 C/W 1 ft 5.5 in 2 in
Wakefield Thermal Heat Sinks Extrusion Cut to Length, 12", 6.50", Flatback Heat Sink 6664 xx4509
Datasheet
59May Stock
Min.: 1
Mult.: 1

Extrusions Aluminum Extruded Radial Fin 1.3 C/W 1 ft 6.5 in 1.6 in
Wakefield Thermal Heat Sinks Extrusion Cut to Length, 36", 6.624" Wide, Flatback Heat Sink 16524 xx7031
Datasheet
15May 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
47May Stock
Min.: 1
Mult.: 1

Extrusions Aluminum Extruded Radial Fin 0.91 C/W 1 ft 9.87 in 1.31 in
Wakefield Thermal Heat Sinks Extrusion Cut to Length, 36", 6.961" Wide, Flatback Heat Sink 13694 xx6274
Datasheet
50May 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, 7.34" W, 36" L, Flatback Heat Sink xx5523 14433
Datasheet
25May Stock
Min.: 1
Mult.: 1

Extrusions Aluminum Extruded Radial Fin 1.8 C/W 36 in 7.34 in
Wakefield Thermal Heat Sinks Extrusion Cut to Length, 12", 12.75" Wide, Flatback Heat Sink xx2044
Datasheet
22May Stock
Min.: 1
Mult.: 1

Extrusions Aluminum Extruded Radial Fin 0.56 C/W 1 ft 1.063 ft 2.25 in
Wakefield Thermal Heat Sinks Extrusion Cut to L, 12 Inch, High Aspect Ratio, Heat Sink 19152, 12x12.25x1 Inch
Datasheet
8May Stock
Min.: 1
Mult.: 1

Extrusions Power Modules, IGBTs Aluminum Rectangular Fin 304.8 mm 311.15 mm 25.4 mm
Wakefield Thermal Heat Sinks Extrusion Cut to Length, 12", 1.625" Wide, Flatback Heat Sink 16079 xx2014
Datasheet
32May Stock
Min.: 1
Mult.: 1

Extrusions Aluminum Extruded Radial Fin 3.2 C/W 1 ft 1.625 in 1.312 in
Wakefield Thermal Heat Sinks Extrusion Cut to Length, 36", 1.625" Wide, Flatback Heat Sink 16079 xx2014
Datasheet
9May Stock
Min.: 1
Mult.: 1

Extrusions Aluminum 3 ft