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
Type
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, 12", 8.35" Wide, Flatback Heat Sink 13668 xx4937
Datasheet
40In Stock
Min.: 1
Mult.: 1

Extrusions Aluminum Extruded Radial Fin 0.9 C/W 12 in 8.35 in 2 in Flatback
Wakefield Thermal Heat Sinks 19275 Extrusion Profile Cut to 12 Inches, 12x7.4x2.17 Inch, High Aspect Ratio
Datasheet
16In 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", High Aspect Ratio, Heat Sink 15817, 12x7.38x3.1"
Datasheet
27In 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 L, 12 Inch, High Aspect Ratio, Heat Sink 16681, 12x8.4x1.4 Inch
Datasheet
31In Stock
Min.: 1
Mult.: 1

Extrusions Power Modules, IGBTs Aluminum Rectangular Fin 12 in 8.4 in 1.4 in
Wakefield Thermal Heat Sinks Extrusion Cut to Length, 12", 6.50", Flatback Heat Sink 6664 xx4509
Datasheet
56In Stock
Min.: 1
Mult.: 1

Extrusions Aluminum Extruded Radial Fin 1.3 C/W 12 in 6.5 in 1.6 in Flatback
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 Flatback
Wakefield Thermal Heat Sinks 16639 Extrusion Profile Cut to 12 Inches, 12x7.9x1.31 Inch, High Aspect Ratio
Datasheet
24In Stock
Min.: 1
Mult.: 1

Extrusions Power Modules, IGBTs Aluminum Rectangular Fin 12 in 7.9 in 1.31 in
Wakefield Thermal Heat Sinks Extrusion Cut to Length, 12", 6.624" Wide, Flatback Heat Sink 16524 xx7031
Datasheet
36In Stock
Min.: 1
Mult.: 1

Extrusions Aluminum Extruded Radial Fin 1.3 C/W 12 in 6.624 in 1.312 in Flatback
Wakefield Thermal Heat Sinks Extrusion Cut to Length, 12", 4.125", Flatback Heat Sink 2656 xx5138
Datasheet
42In Stock
Min.: 1
Mult.: 1

Extrusions Aluminum Extruded Radial Fin 1.9 C/W 12 in 4.125 in 1.75 in Flatback
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 Flatback
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 Flatback
Wakefield Thermal Heat Sinks Extrusion Cut to Length, 5.86" W, 12" L, Flatback Heat Sink 14461
Datasheet
43In Stock
Min.: 1
Mult.: 1

Extrusions Aluminum Extruded Radial Fin 1.1 C/W 12 in 5.86 in 2 in Flatback
Wakefield Thermal Heat Sinks Extrusion Cut to Length, 4.461" W, 36" L, Flatback Heat Sink 16365
Datasheet
47In Stock
Min.: 1
Mult.: 1

Extrusions Aluminum Extruded Radial Fin 1.8 C/W 36 in 4.461 in Flatback
Wakefield Thermal Heat Sinks Extrusion Cut to Length, 12", 5.375", Flatback Heat Sink 6037 xx5045
Datasheet
35In Stock
Min.: 1
Mult.: 1

Extrusions Aluminum Extruded Radial Fin 1.8 C/W 12 in 5.375 in 1.312 in Flatback
Wakefield Thermal Heat Sinks Extrusion Cut to Length, 12", 13.381" Wide, Flatback Heat Sink xx5429
Datasheet
43In Stock
Min.: 1
Mult.: 1

Extrusions Aluminum Extruded Radial Fin 0.65 C/W 12 in 13.381 in 1.312 in Flatback
Wakefield Thermal Heat Sinks Extrusion Cut to Length, 12", 4.60" Wide, DC/DC Heat Sink Extrusion 12614
Datasheet
27In Stock
100Expected 22/10/2026
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, 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 12 in 10.5 in 1.645 in Flatback
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 12 in 5 in 5 in H Style
Wakefield Thermal Heat Sinks Extrusion Cut to Length, 4.519" W, 12" L, Flatback with Mounting Feet 19133
Datasheet
40In Stock
Min.: 1
Mult.: 1

Extrusions Aluminum Extruded Radial Fin 2.4 C/W 12 in 4.519 in 1.918 in Flatback


Wakefield Thermal Heat Sinks Extrusion Cut to Length, 12", 4.75", H Style Heat Sink 4530 xx1024
Datasheet
60In Stock
Min.: 1
Mult.: 1

Extrusions Aluminum Extruded Radial Fin 2 C/W 12 in 4.75 in 1.245 in H Style
Wakefield Thermal Heat Sinks Extrusion Cut to Length, 12", 2.22" Wide, DC/DC Heat Sink Extrusion 14192
Datasheet
45In Stock
Min.: 1
Mult.: 1

Extrusions DC/DC Converter Aluminum Extruded Radial Fin 0.6 C/W 12 in 2.22 in 0.93 in
Wakefield Thermal Heat Sinks Extrusion Cut to Length, 12", 7.574" Wide, Flatback Heat Sink 21910
Datasheet
47In Stock
Min.: 1
Mult.: 1

Extrusions Aluminum Extruded Radial Fin 0.65 C/W 1 ft 7.57 in 3.15 in Flatback
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 Flatback
Wakefield Thermal Heat Sinks Extrusion Cut to Length, 12", 2.40" Wide, DC/DC Heat Sink Extrusion 12613
Datasheet
47In Stock
Min.: 1
Mult.: 1

Extrusions DC/DC Converter Aluminum Extruded Radial Fin 4.1 C/W 12 in 2.4 in 0.9 in