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
Mounting Style
Heatsink Material
Fin Style
Thermal Resistance
Length
Width
Height
Wakefield Thermal Heat Sinks Extrusion Cut to Length, 4.461" W, 36" L, Flatback Heat Sink 16365
Datasheet
53In Stock
Min.: 1
Mult.: 1

Extrusions Aluminum Extruded Radial Fin 1.8 C/W 36 in 4.461 in
Wakefield Thermal Heat Sinks Extrusion Cut to Length, 12", 10.50" Wide, Flatback Heat Sink 16990 xx2904
Datasheet
48In Stock
Min.: 1
Mult.: 1

Extrusions Aluminum Extruded Radial Fin 1.3 C/W 1 ft 10.5 in 1.26 in
Wakefield Thermal Heat Sinks Extrusion Cut to Length, 12", High Aspect Ratio, Heat Sink 15817, 12x7.38x3.1"
Datasheet
34In Stock
Min.: 1
Mult.: 1

Extrusions Power Modules, IGBTs Aluminum Rectangular Fin 304.8 mm 187.45 mm 79.65 mm
Wakefield Thermal Heat Sinks Extrusion Cut to Length, 12", 4.125", Flatback Heat Sink 2656 xx5138
Datasheet
45In Stock
Min.: 1
Mult.: 1

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

Extrusions Aluminum Extruded Radial Fin 1.6 C/W 1 ft 5 in 1.75 in
Wakefield Thermal Heat Sinks Extrusion Cut to Length, 5.86" W, 12" L, Flatback Heat Sink 14461
Datasheet
47In Stock
Min.: 1
Mult.: 1

Extrusions Aluminum Extruded Radial Fin 1.1 C/W 1 ft 5.86 in
Wakefield Thermal Heat Sinks Extrusion Cut to Length, 36", 5.50", Flatback Heat Sink 13760 xx2199
Datasheet
77In Stock
Min.: 1
Mult.: 1

Extrusions Aluminum Extruded Radial Fin 1.2 C/W 36 in 5.5 in 2 in
Wakefield Thermal Heat Sinks Extrusion Cut to Length, 12", 6.624" Wide, Flatback Heat Sink 16524 xx7031
Datasheet
40In Stock
Min.: 1
Mult.: 1

Extrusions Aluminum Extruded Radial Fin 1.3 C/W 1 ft 6.62 in 1.31 in
Wakefield Thermal Heat Sinks Extrusion Cut to Length, 12", 8.35" Wide, Flatback Heat Sink 13668 xx4937
Datasheet
65In Stock
Min.: 1
Mult.: 1

Extrusions Aluminum Extruded Radial Fin 0.9 C/W 1 ft 8.35 in 2 in
Wakefield Thermal Heat Sinks Extrusion Cut to Length, 12", 13.381" Wide, Flatback Heat Sink xx5429
Datasheet
17In Stock
50Expected 18/03/2026
Min.: 1
Mult.: 1

Extrusions Aluminum Extruded Radial Fin 0.65 C/W 1 ft 1.115 ft 1.31 in
Wakefield Thermal Heat Sinks Extrusion Cut to Length, 12", 4.60" Wide, DC/DC Heat Sink Extrusion 12614
Datasheet
49In Stock
Min.: 1
Mult.: 1

Extrusions DC/DC Converter Aluminum Extruded Radial Fin 2.1 C/W 1 ft 4.6 in 0.9 in
Wakefield Thermal Heat Sinks Extrusion Cut to Length, 5.748" W, 12" L, Flatback Heat Sink xx8867 19155
Datasheet
11In Stock
Min.: 1
Mult.: 1

Extrusions Aluminum Extruded Radial Fin 1.57 C/W 1 ft 5.748 in
Wakefield Thermal Heat Sinks Extrusion Cut to Length, 36", 1.45" Wide, DC/DC Heat Sink Extrusion 14363
Datasheet
21In Stock
Min.: 1
Mult.: 1

Extrusions DC/DC Converter Aluminum 3 ft
Wakefield Thermal Heat Sinks Extrusion Cut to Length, 12", 2.10" W, BGA Extrusion 12554 xx8355-100
Datasheet
55In Stock
Min.: 1
Mult.: 1

Extrusions BGA Aluminum Extruded Radial Fin 3.8 C/W 1 ft 2.1 in 1 in
Wakefield Thermal Heat Sinks 19275 Extrusion Profile Cut to 12 Inches, 12x7.4x2.17 Inch, High Aspect Ratio
Datasheet
24In Stock
Min.: 1
Mult.: 1

Extrusions Power Modules, IGBTs Aluminum Rectangular Fin 304.8 mm 186.99 mm 54.99 mm
Wakefield Thermal Heat Sinks Extrusion Cut to Length, 12", 4.702" Wide, Mounting Shelf Extrusion 14264
Datasheet
60In Stock
Min.: 1
Mult.: 1

Extrusions Aluminum Extruded Radial Fin 1.8 C/W 1 ft 4.7 in 3.3 in
Wakefield Thermal Heat Sinks Extrusion Cut to Length, 2.24" W, 36" L, Flatback Heat Sink 13107
Datasheet
24In 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", 5.00", H Style Heat Sink 6542 xx1245
Datasheet
61In Stock
Min.: 1
Mult.: 1

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

Extrusions Aluminum Extruded Radial Fin 2.4 C/W 1 ft 4.519 in
Wakefield Thermal Heat Sinks Extrusion Cut to Length, 36", 3.79" Wide, Flatback Heat Sink 16304 xx5079
Datasheet
23In Stock
Min.: 1
Mult.: 1

Extrusions Aluminum Extruded Radial Fin 1.5 C/W 36 in 3.79 in 2 in
Wakefield Thermal Heat Sinks Extrusion Cut to Length, 36", 5.375", Flatback Heat Sink 6037 xx5045
Datasheet
22In 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, 36", 9.24" Wide, Flatback Heat Sink 19035
Datasheet
9In 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, 6.00" W, 12" L, Long High Aspect Heat Sink 19767
Datasheet
30In Stock
Min.: 1
Mult.: 1

Extrusions Aluminum Extruded Radial Fin 0.49 C/W 1 ft 6 in
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 1 ft 6.5 in
Wakefield Thermal Heat Sinks 16639 Extrusion Profile Cut to 12 Inches, 12x7.9x1.31 Inch, High Aspect Ratio
Datasheet
30In Stock
Min.: 1
Mult.: 1

Extrusions Power Modules, IGBTs Aluminum Rectangular Fin 304.8 mm 200.02 mm 33.32 mm