Rectangular Fin Heat Sinks

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Mounting Style
Heatsink Material
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Height
Wakefield Thermal Heat Sinks Notched Heat Sink for Vertical Mount for TO-220, TO-247, TO-218, 25.4mm H
Datasheet
30In Stock
1.200Expected 03/12/2026
Min.: 1
Mult.: 1

Heat Sinks TO-218, TO-220, TO-247 Through Hole Aluminum Rectangular Fin 3.7 C/W 25.4 mm 41.91 mm 25.4 mm
Wakefield Thermal Heat Sinks Labor-Saving SpeedClips Heat Sink, Vertical Mount, TO-220, Plain Pin, 25.4mm
Datasheet
203In Stock
Min.: 1
Mult.: 1

Heat Sinks TO-220 Through Hole Aluminum Rectangular Fin 5.8 C/W 34.9 mm 12.7 mm 25.4 mm
Wakefield Thermal 396-2AB
Wakefield Thermal Heat Sinks Low Profile Heat Sink, 139.7x35.1x127mm, 6 Mounting Holes
Datasheet
23In Stock
Min.: 1
Mult.: 1

Heat Sinks Power Modules, IGBTs Bolt On Aluminum Rectangular Fin 1.5 C/W 139.7 mm 127 mm 35.1 mm
Wakefield Thermal 476K
Wakefield Thermal Heat Sinks Heat Sink, Hex-Type Rectifier/Diode Stud-Mount, 127x152.4x127mm, 1.250" Hex
Datasheet
1In Stock
50Expected 28/10/2026
Min.: 1
Mult.: 1

Heat Sinks Semiconductor, Stud Mounted Screw Aluminum Rectangular Fin 0.19 C/W 152.4 mm 127 mm 127 mm
Wakefield Thermal 511-3U
Wakefield Thermal Heat Sinks High Fin Density Heat Sink, IGBTs, Relays, Non-Mill, 132.33x76.2mm
Datasheet
14In Stock
Min.: 1
Mult.: 1

Heat Sinks Power Modules, IGBTs, Relays Adhesive Aluminum Rectangular Fin 0.9 C/W 76.2 mm 132.33 mm 61.21 mm
Wakefield Thermal 511-9U
Wakefield Thermal Heat Sinks High Fin Density Heat Sink, IGBTs, Relays, Non-Mill, 132.33x228.6mm
Datasheet
17In Stock
Min.: 1
Mult.: 1

Heat Sinks Power Modules, IGBTs, Relays Adhesive Aluminum Rectangular Fin 0.56 C/W 228.6 mm 132.33 mm 61.21 mm
Wakefield Thermal Heat Sinks Extrusion Cut to Length, 12", High Aspect Ratio, Heat Sink 19584, 12x11x1.375"
Datasheet
1In Stock
Min.: 1
Mult.: 1

Extrusions Power Modules, IGBTs Aluminum Rectangular Fin 12 in 11 in 1.375 in
Wakefield Thermal 677-20ABPE
Wakefield Thermal Heat Sinks Heat Sink for Vertical Mount for TO220/TO247/TO218/15-LEAD MULTIWATT, 50.8mm H
Datasheet
255In Stock
Min.: 1
Mult.: 1

Heat Sinks TO-218, TO-220, TO-247 15 Pin Multiwatt Through Hole Aluminum Rectangular Fin 50.8 mm 41.91 mm 25.4 mm
Wakefield Thermal 395-1AB
Wakefield Thermal Heat Sinks Low Profile Heat Sink, 76.2x63.5x127mm, 4 Mounting Holes
Datasheet
1In Stock
Min.: 1
Mult.: 1

Heat Sinks Power Modules, IGBTs Bolt On Aluminum Rectangular Fin 1.1 C/W 76.2 mm 127 mm 63.5 mm
Advanced Thermal Solutions Heat Sinks PCIe Extrusion Profile, AL6063, 300mm Length, 95mm Width, 14mm Height
Datasheet
21On Order
Min.: 1
Mult.: 1

Extrusions Electronic Cooling Applications Adhesive Aluminum Rectangular Fin 14.7 C/W 11.81 in 3.74 in 0.55 in
Advanced Thermal Solutions Heat Sinks Extrusion Profile, AL6063, 300mm Length, 24.5mm Width, 17.5mm Height
Datasheet
13Expected 06/10/2026
Min.: 1
Mult.: 1

Extrusions Electronic Cooling Applications Adhesive Aluminum Rectangular Fin 17.9 C/W 300 mm 24.25 mm 17.5 mm
Advanced Thermal Solutions Heat Sinks Extrusion Profile, AL6063, 300mm Length, 45mm Width, 10mm Height
Datasheet
13Expected 24/08/2026
Min.: 1
Mult.: 1

Extrusions Electronic Cooling Applications Adhesive Aluminum Rectangular Fin 18.6 C/W 11.81 in 1.77 in 0.39 in
Advanced Thermal Solutions Heat Sinks Extrusion Profile, AL6063, 300mm Length, 120.75mm Width, 16.6mm Height
Datasheet
10Expected 04/09/2026
Min.: 1
Mult.: 1

Extrusions Electronic Cooling Applications Adhesive Aluminum Rectangular Fin 12 C/W 11.81 in 4.75 in 0.65 in
Advanced Thermal Solutions Heat Sinks Extrusion Profile, AL6063, 300mm Length, 100mm Width, 34.5mm Height
Datasheet
10Expected 17/08/2026
Min.: 1
Mult.: 1

Extrusions Electronic Cooling Applications Adhesive Aluminum Rectangular Fin 4.34 C/W 11.81 in 3.94 in 1.36 in
Advanced Thermal Solutions Heat Sinks Extrusion Profile, AL6063, 300mm Length, 108mm Width, 34.3mm Height
Datasheet
3Expected 09/10/2026
Min.: 1
Mult.: 1

Extrusions Electronic Cooling Applications Adhesive Aluminum Rectangular Fin 5.09 C/W 300 mm 107.82 mm 34.29 mm
Advanced Thermal Solutions Heat Sinks Extrusion Profile, AL6063, 300mm Length, 80mm Width, 30mm Height
Datasheet
7On Order
Min.: 1
Mult.: 1

Extrusions Electronic Cooling Applications Adhesive Aluminum Rectangular Fin 6.2 C/W 11.81 in 3.15 in 1.18 in
Advanced Thermal Solutions Heat Sinks Extrusion Profile, AL6063, 300mm Length, 51.6mm Width, 42.5mm Height
Datasheet
10Expected 21/08/2026
Min.: 1
Mult.: 1

Extrusions Electronic Cooling Applications Adhesive Aluminum Rectangular Fin 5.7 C/W 11.81 in 2.03 in 1.67 in
Advanced Thermal Solutions Heat Sinks pushPIN Heat Sink, Fine, Straight, 4-Hole, T766, 36.83x57.6x11.43mm, 14.82C/W
Datasheet
25Expected 09/10/2026
Min.: 1
Mult.: 1

Push Pin Rectangular Fin 14.82 deg C/W 1.450" (36.83mm) 2.267" (57.60mm) 0.450" (11.43mm)
Wakefield Thermal Heat Sinks 19671 Extrusion Profile Cut to 12 Inches, 12x5.32x1.6 Inch, High Aspect Ratio
Datasheet
25Expected 22/09/2026
Min.: 1
Mult.: 1

Extrusions Power Modules, IGBTs Aluminum Rectangular Fin 12 in 5.32 in 1.63 in
Wakefield Thermal Heat Sinks Horizontal and Vertical Mount Heat Sink for TO-220, Aluminum, 19.1x12.78x13.4mm
Datasheet
3.134Expected 28/10/2026
Min.: 1
Mult.: 1

Heat Sinks TO-220 Through Hole Aluminum Rectangular Fin 26.7 C/W 19.1 mm 14.47 mm 12.7 mm
Wakefield Thermal Heat Sinks Heat Sink for DC/DC Converters, Half Brick, 57.9x61x11.4mm, Vertical, 11 Fins
Datasheet
1.742On Order
Min.: 1
Mult.: 1

Heat Sinks DC/DC Converter, 1/2 Brick Screw Aluminum Rectangular Fin 2.1 C/W 61 mm 57.9 mm 11.43 mm
Wakefield Thermal Heat Sinks Heat Sink for DC/DC Converters, Eighth Brick, 55x20.7x11.4mm, 6 Fins
Datasheet
1.497Expected 11/09/2026
Min.: 1
Mult.: 1

Heat Sinks DC/DC Converter, 1/8 Brick Panel Aluminum Rectangular Fin 4.3 C/W 55 mm 20.7 mm 11.4 mm
Wakefield Thermal Heat Sinks Low Profile Heat Sink for All Metal-Case Power Semis, No Hole, 120.6x38.1x11.7mm
Datasheet
483Expected 24/09/2026
Min.: 1
Mult.: 1

Heat Sinks TO-3 Screw Aluminum Rectangular Fin 2 C/W 120.6 mm 38.1 mm 11.7 mm
Wakefield Thermal Heat Sinks High Efficiency Heat Sink For Vertical Board Mounting for TO-220, 50.8mm Height
Datasheet
1.050On Order
Min.: 1
Mult.: 1

Heat Sinks TO-220 Through Hole Aluminum Rectangular Fin 4.7 C/W 50.8 mm 34.93 mm 12.7 mm
Wakefield Thermal 511-6U
Wakefield Thermal Heat Sinks High Fin Density Heat Sink, IGBTs, Relays, Non-Mill, 132.33x152.4mm
Datasheet
49Expected 12/11/2026
Min.: 1
Mult.: 1

Heat Sinks Power Modules, IGBTs, Relays Adhesive Aluminum Rectangular Fin 0.65 C/W 152.4 mm 132.33 mm 61.21 mm