TO-3 Heat Sinks

Results: 64
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Description Datasheet Availability Pricing (EUR) 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
Aavid Heat Sinks Basket Heat Sink, TO3, Space-Saving, Horizontal, 13.4 Degree C/W, 19.05mm
Datasheet
678In Stock
Min.: 1
Mult.: 1

Heat Sinks TO-3 Screw Aluminum Straight Fin 13.4 C/W 41.402 mm 32.766 mm 19.05 mm
Aavid Heat Sinks Snap-On Cover for TO-3, Nylon, Black
Datasheet
3 510In Stock
Min.: 1
Mult.: 1

Accessories and Hardware TO-3
Wakefield Thermal Heat Sinks Double-Surface Heat Sink for TO-3 Case, 120.7x38.1x31.8mm, 6.9mm Dia. Mount Hole
Datasheet
27In Stock
Min.: 1
Mult.: 1

Heat Sinks TO-3 Through Hole Aluminum Extruded Radial Fin 1.5 C/W 38.1 mm 120.65 mm 31.75 mm
Wakefield Thermal Heat Sinks Double-Surface Heat Sink for TO-3 Case Styles, 120.7x76.2x31.8mm
Datasheet
46In Stock
Min.: 1
Mult.: 1

Heat Sinks TO-3 Press Fit Aluminum Extruded Radial Fin 0.9 C/W 111.1 mm 76.2 mm 31.8 mm
Wakefield Thermal Heat Sinks Double-Surface Heat Sink for TO-3 Case Styles and Diodes, 120.7x76.2x47.6mm
Datasheet
68In Stock
Min.: 1
Mult.: 1

Heat Sinks TO-3 Screw Aluminum Extruded Axial Fin 0.85 C/W 76.2 mm 120.65 mm 47.6 mm
Wakefield Thermal Heat Sinks Natural Convection Heat Sink for Metal-Case Semis for TO3, 25.4mm H
Datasheet
86In Stock
Min.: 1
Mult.: 1

Heat Sinks TO-3 Through Hole Aluminum Rectangular Fin 2.4 C/W 76.2 mm 104.77 mm 25.4 mm
Wakefield Thermal Heat Sinks Natural Convection Heat Sink for Metal-Case Semis, No Hole Pattern, 25.4mm H
Datasheet
40In Stock
Min.: 1
Mult.: 1

Heat Sinks TO-3 Press Fit Aluminum Rectangular Fin 2.4 C/W 76.2 mm 104.77 mm 25.4 mm
Aavid Heat Sinks Diamond Shaped, Basket Heat Sink for TO-3, Horizontal, 10.1 Degree C/W, 12.5mm
Datasheet
156In Stock
Min.: 1
Mult.: 1

Heat Sinks TO-3 Screw Aluminum Extruded Radial Fin 10.1 C/W 40.8 mm 26.9 mm 12.5 mm
Apex Microtechnology Heat Sinks Heatsink, T03, PDIP, Pwr Pkg, H2O-cooled
Datasheet
2Expected 04/09/2026
Min.: 1
Mult.: 1

Heat Sinks TO-3 Chassis Aluminum Straight Fin 0.1 C/W 8 in 6 in 2 mm
Aavid Heat Sinks Square Basket Heat Sink for TO-3, Slanted Fin, Horizontal, 5 Degree C/W, 31.75mm
Datasheet
2 570On Order
Min.: 1
Mult.: 1

Heat Sinks TO-3 Screw Aluminum Slanted Vane 5 C/W 45.974 mm 45.974 mm 31.75 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 Heat Sink for TO3, 120.7x76.2x66.7mm, (1) TO3 Mounting Hole Pattern
Datasheet
67Expected 04/09/2026
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
Wakefield Thermal Heat Sinks Double-Surface Heat Sink for TO3, 120.7x38.1x31.8mm, (1) TO3 Hole Mount Pattern
Datasheet
112Expected 23/11/2026
Min.: 1
Mult.: 1

Heat Sinks TO-3 Bolt On Aluminum Extruded Radial Fin 1.5 C/W 38.1 mm 120.65 mm 31.75 mm
Wakefield Thermal Heat Sinks Double-Surface Heat Sink for TO-3 Case Styles, 120.7x38.1x31.8mm
112Expected 28/10/2026
Min.: 1
Mult.: 1

Heat Sinks TO-3 Press Fit Aluminum Extruded Radial Fin 1.5 C/W 38.1 mm 120.65 mm 31.75 mm
Wakefield Thermal Heat Sinks Maximum Efficiency, Omnidirectional Heat Sink for TO-3, 12.7mm Height
Datasheet
19Expected 21/10/2026
Min.: 1
Mult.: 1

Heat Sinks TO-3 Through Hole Aluminum Omnidirectional Fin 3 C/W 46 mm 46 mm 12.7 mm
Apex Microtechnology Heat Sinks Heatsink, T03
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 1
Mult.: 1

Heat Sinks TO-3 Chassis Aluminum Straight Fin 1.7 C/W 4.75 in 3 in 1.25 in
Apex Microtechnology Heat Sinks Heatsink, T03
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 1
Mult.: 1

Heat Sinks TO-3 Chassis Aluminum Angled Fin 0.95 C/W 4.75 in 3 mm 3 in
Apex Microtechnology Heat Sinks Heatsink, T03
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 1
Mult.: 1

Heat Sinks TO-3 Chassis Aluminum Straight Fin 0.85 C/W 5.5 in 4.75 in 2.63 in
Aavid Heat Sinks Hat Section Heat Sink for TO-3, Low Profile, Horizontal, 7 Degree C/W, Black
Datasheet
Non-Stocked Lead-Time 4 Weeks
Min.: 1
Mult.: 1

Heat Sinks TO-3
Aavid Heat Sinks Channel Style Heat Sink for TO-3, Base Only
Datasheet
Non-Stocked Lead-Time 8 Weeks
Min.: 25 000
Mult.: 500

Heat Sinks TO-3
Aavid Heat Sinks Mounting Kit with Thermalfilm Insulator for TO-3
Datasheet
Non-Stocked Lead-Time 13 Weeks
Min.: 2 000
Mult.: 1 000

Thermally Conductive Insulators TO-3
Aavid Heat Sinks Basket Heat Sink for TO-3, Straight Fin, Horizontal, 6 Degree C/W, 31.75mm
Datasheet
Non-Stocked Lead-Time 13 Weeks
Min.: 1
Mult.: 1

Heat Sinks TO-3 SMD/SMT Aluminum Straight Fin 6 C/W 45.21 mm 45.21 mm 31.75 mm
Aavid Heat Sinks Square Basket Heat Sink for TO-3, Horizontal, Black, 45.21x45.21x11.94mm
Datasheet
Non-Stocked Lead-Time 32 Weeks
Min.: 10 000
Mult.: 5 000

Heat Sinks TO-3 Aluminum
Aavid Heat Sinks Square Basket Heat Sink for TO-3, Horizontal, 8.00 C/W, Black Anodized, 12.70mm
Datasheet
Non-Stocked Lead-Time 32 Weeks
Min.: 1 000
Mult.: 500

Heat Sinks TO-3 Aluminum
Aavid Heat Sinks Basket Heat Sink, TO3, Space-Saving, Horizontal, 15.6 Degree C/W, 12.7mm
Datasheet
Non-Stocked Lead-Time 13 Weeks
Min.: 6 000
Mult.: 1 500

Heat Sinks TO-3 Aluminum 15.6 C/W 41.4 mm 32.77 mm 12.7 mm