TO-3 Heat Sinks

Results: 64
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Description Datasheet Availability Pricing (IDR) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Product
Designed for
Mounting Style
Heatsink Material
Fin Style
Thermal Resistance
Length
Width
Height
Type
Wakefield Thermal Heat Sinks Heat Sink for TO3, 120.7x76.2x66.7mm, 6.9mm dia. Hole Mounting Hole Pattern
Datasheet
60In Stock
Min.: 1
Mult.: 1

Heat Sinks TO-3 Screw Aluminum Extruded Axial Fin 0.7 C/W 76.2 mm 120.65 mm 66.67 mm Component
Wakefield Thermal Heat Sinks Maximum Efficiency, Omnidirectional Heat Sink, No Hole Pattern, 31.8mm Height
Datasheet
127In Stock
Min.: 1
Mult.: 1

Heat Sinks TO-3 Through Hole Aluminum Omnidirectional Fin 1.5 C/W 46 mm 46 mm 31.8 mm Component
Aavid Heat Sinks Diamond Shaped, Basket Heat Sink for TO-3, Horizontal, 8.4 Degree C/W, 25.4mm
Datasheet
4.900In Stock
Min.: 1
Mult.: 1

Heat Sinks TO-3 Screw Aluminum Straight Fin 8.4 C/W 47.752 mm 35.56 mm 25.4 mm Component
Aavid Heat Sinks Space-Saving, Expandable Collar Heat Sink, TO3, Horizontal, 12.5 C/W, Black
Datasheet
2.715In Stock
Min.: 1
Mult.: 1

Heat Sinks TO-3 Screw Aluminum Channel Cut Fin 12.5 C/W 39.116 mm 28.575 mm 22.098 mm Component
Wakefield Thermal Heat Sinks Low Profile Heat Sink for All Metal-Case Power Semis for TO-3, 120.6x76.2x11.7mm
Datasheet
229In Stock
Min.: 1
Mult.: 1

Heat Sinks TO-3 Screw Aluminum Rectangular Fin 1.5 C/W 76.2 mm 120.65 mm 11.7 mm Component
Aavid Heat Sinks Basket Heat Sink for TO-3, Fold Back Fin, Horizontal, 5.5 Degree C/W, 33.27mm
Datasheet
1.498In Stock
Min.: 1
Mult.: 1

Heat Sinks TO-3 Screw Aluminum Folded Back Fin 5.5 C/W 46.482 mm 46.482 mm 33.274 mm Component
Wakefield Thermal Heat Sinks Heat Sink for TO3, 120.7x140.2x66.7mm, (1) TO3 Mounting Hole Pattern
Datasheet
36In Stock
Min.: 1
Mult.: 1

Heat Sinks TO-3 Screw Aluminum Extruded Axial Fin 0.96 C/W 139.7 mm 120.65 mm 66.67 mm Component
Aavid Heat Sinks Basket Heat Sink for TO-3, Slanted Fin, Horizontal, 7.2 Degree C/W, 12.7mm
Datasheet
2.831In Stock
Min.: 1
Mult.: 1

Heat Sinks TO-3 Screw Aluminum 7.2 C/W 45.97 mm 45.97 mm 12.7 mm Component
Wakefield Thermal Heat Sinks Low Profile Heat Sink for All Metal-Case Power Semis for TO-3, 120.6x38.1x11.7mm
Datasheet
301In Stock
Min.: 1
Mult.: 1

Heat Sinks TO-3 Screw Aluminum Rectangular Fin 2 C/W 120.6 mm 38.1 mm 11.7 mm Component
Wakefield Thermal Heat Sinks Double-Surface Heat Sink for TO-3 Case, 120.7x76.2x31.8mm, 6.9mm Dia. Mount Hole
Datasheet
90In Stock
Min.: 1
Mult.: 1

Heat Sinks TO-3 Through Hole Aluminum Extruded Radial Fin 0.9 C/W 111.1 mm 76.2 mm 31.8 mm Component
Wakefield Thermal Heat Sinks Double-Surface Heat Sink for TO3, V Hole Pattern, 120.7mm
Datasheet
108In Stock
Min.: 1
Mult.: 1

Heat Sinks TO-3 Aluminum Extruded Radial Fin 1.5 C/W 38.1 mm 120.65 mm 31.75 mm Component
Wakefield Thermal Heat Sinks Maximum Efficiency, Omnidirectional Heat Sink for TO-3, 25.4mm Height
Datasheet
93In Stock
Min.: 1
Mult.: 1

Heat Sinks TO-3 Through Hole Aluminum Omnidirectional Fin 2 C/W 46 mm 46 mm 25.4 mm Component
Apex Microtechnology Heat Sinks Heatsink, T03
Datasheet
316In Stock
666Expected 16/11/2026
Min.: 1
Mult.: 1

Heat Sinks TO-3 Chassis Aluminum Straight Fin 11.6 C/W 1.6 in 1 in 1 in Component
Apex Microtechnology Heat Sinks Heatsink, T03
Datasheet
69In Stock
605On Order
Min.: 1
Mult.: 1

Heat Sinks TO-3 Chassis Aluminum Vertical Fin 4.5 C/W 1.81 in 1.81 in 1.5 in Component
Apex Microtechnology Heat Sinks Heatsink, T03
Datasheet
47In Stock
Min.: 1
Mult.: 1

Heat Sinks TO-3 Chassis Aluminum Straight Fin 1.48 C/W 5.5 in 4.812 in 1.312 in Component
Apex Microtechnology Heat Sinks Heatsink, T03
Datasheet
29In Stock
Min.: 1
Mult.: 1

Heat Sinks TO-3 Chassis Aluminum Straight Fin 2 C/W 4.406 in 3 in 1.312 in Component
Advanced Thermal Solutions Heat Sinks BGA Heat Sink, High Performance, Stamped, No TIM, TO-3, 45.21x45.21x30.99mm
Datasheet
85In Stock
Min.: 1
Mult.: 1

Heat Sinks TO-3 Screw Aluminum Straight Fin 6 C/W 45.21 mm 45.21 mm 30.99 mm Component
Apex Microtechnology Heat Sinks Heatsink, T03
Datasheet
42In Stock
250Expected 24/12/2026
Min.: 1
Mult.: 1

Heat Sinks TO-3 Chassis Aluminum Vertical Fin 11.7 C/W 1.65 in 1.31 in 0.75 in Component
Aavid Heat Sinks Hat Section Heat Sink for TO-3, Horizontal, Black Anodized, 50.8x44.45x9.52mm
Datasheet
5.024In Stock
Min.: 1
Mult.: 1

Heat Sinks TO-3 Screw Aluminum Channel Cut Fin 7 C/W 50.8 mm 44.45 mm 9.525 mm Component
Aavid Heat Sinks Diamond Shaped, Basket Heat Sink for TO-3, Horizontal, 12 Degree C/W, 12.7mm
Datasheet
7.673In Stock
Min.: 1
Mult.: 1

Heat Sinks TO-3 Screw Aluminum Straight Fin 12 C/W 47.752 mm 35.56 mm 12.7 mm Component
Aavid Heat Sinks Diamond Shaped, Basket Heat Sink for TO-3, Horizontal, 10 Degree C/W, 19.05mm
Datasheet
1.246In Stock
Min.: 1
Mult.: 1

Heat Sinks TO-3 Screw Aluminum Straight Fin 10 C/W 47.752 mm 35.56 mm 19.05 mm Component
Aavid Heat Sinks Diamond Shaped, Basket Heat Sink for TO-3, Horizontal, 7.4 Degree C/W, 25mm
Datasheet
276In Stock
Min.: 1
Mult.: 1

Heat Sinks TO-3 Aluminum Component
Wakefield Thermal Heat Sinks Maximum Efficiency, Omnidirectional Heat Sink for TO-3, 31.8mm Height
Datasheet
211In Stock
750Expected 11/12/2026
Min.: 1
Mult.: 1

Heat Sinks TO-3 Through Hole Aluminum Omnidirectional Fin 1.5 C/W 46 mm 46 mm 31.75 mm Component
Wakefield Thermal Heat Sinks Highest Efficiency/Lowest Unit Cost Heat Sink for TO-3, 33.3mm Height
Datasheet
2.138In Stock
Min.: 1
Mult.: 1

Heat Sinks TO-3 Through Hole Aluminum Omnidirectional Fin 2 C/W 47.24 mm 47.24 mm 33.27 mm Component
Wakefield Thermal Heat Sinks Heat Sink for TO3, 120.7x76.2x66.7mm, (1) TO3 Mounting Hole Pattern
Datasheet
67In Stock
Min.: 1
Mult.: 1

Heat Sinks TO-3 Screw Aluminum Extruded Axial Fin 0.7 C/W 76.2 mm 120.65 mm 66.67 mm Component