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TO-3 Thermal Management

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (EUR) Filter the results in the table by unit price based on your quantity.	Qty.
Heat Sinks Diamond Shaped, Basket Heat Sink for TO-3, Horizontal, 7.8 Degree C/W, 31.75mm 501603B00000G Aavid 1: € 7,97 929In Stock	Mfr. Part No. 501603B00000G Mouser Part No 532-501603B00	Aavid	Heat Sinks Diamond Shaped, Basket Heat Sink for TO-3, Horizontal, 7.8 Degree C/W, 31.75mm	Datasheet	929In Stock	€ 7,97 € 7,64 € 7,22 € 6,79 View € 6,36 € 5,39	Min.: 1 Mult.: 1
Heat Sinks Basket Heat Sink, TO3, Space-Saving, Horizontal, 13.4 Degree C/W, 19.05mm 575703B00000G Aavid 1: € 2,47 539In Stock 6 000Expected 23/04/2027	Mfr. Part No. 575703B00000G Mouser Part No 532-575703B00	Aavid	Heat Sinks Basket Heat Sink, TO3, Space-Saving, Horizontal, 13.4 Degree C/W, 19.05mm	Datasheet	539In Stock 6 000Expected 23/04/2027	€ 2,47 € 2,18 € 2,08 € 2,00 View € 1,91 € 1,84 € 1,80 € 1,77 € 1,74	Min.: 1 Mult.: 1
Heat Sinks Snap-On Cover for TO-3, Nylon, Black 8909NBG Aavid 1: € 0,284 3 368In Stock	Mfr. Part No. 8909NBG Mouser Part No 532-8909NBG	Aavid	Heat Sinks Snap-On Cover for TO-3, Nylon, Black	Datasheet	3 368In Stock	€ 0,284 € 0,261 € 0,259	Min.: 1 Mult.: 1
Heat Sinks Double-Surface Heat Sink for TO3, 120.7x38.1x31.8mm, (1) TO3 Hole Mount Pattern 401A Wakefield Thermal 1: € 14,19 111In Stock	Mfr. Part No. 401A Mouser Part No 567-401-A	Wakefield Thermal	Heat Sinks Double-Surface Heat Sink for TO3, 120.7x38.1x31.8mm, (1) TO3 Hole Mount Pattern	Datasheet	111In Stock	€ 14,19 € 13,24 € 12,36 € 11,74 View € 11,44 € 11,13 € 10,52 € 10,32	Min.: 1 Mult.: 1
Heat Sinks Double-Surface Heat Sink for TO-3 Case, 120.7x38.1x31.8mm, 6.9mm Dia. Mount Hole 401F Wakefield Thermal 1: € 17,50 25In Stock	Mfr. Part No. 401F Mouser Part No 567-401F	Wakefield Thermal	Heat Sinks Double-Surface Heat Sink for TO-3 Case, 120.7x38.1x31.8mm, 6.9mm Dia. Mount Hole	Datasheet	25In Stock	€ 17,50 € 15,64 € 14,90 € 14,28 View € 13,75 € 13,10 € 12,69	Min.: 1 Mult.: 1
Heat Sinks Double-Surface Heat Sink for TO-3 Case Styles, 120.7x76.2x31.8mm 403K Wakefield Thermal 1: € 20,09 44In Stock	Mfr. Part No. 403K Mouser Part No 567-403K	Wakefield Thermal	Heat Sinks Double-Surface Heat Sink for TO-3 Case Styles, 120.7x76.2x31.8mm	Datasheet	44In Stock	€ 20,09 € 17,24 € 16,61 € 16,26 View € 15,36 € 14,97 € 14,43	Min.: 1 Mult.: 1
Heat Sinks Double-Surface Heat Sink for TO-3 Case Styles and Diodes, 120.7x76.2x47.6mm 413K Wakefield Thermal 1: € 19,93 48In Stock	Mfr. Part No. 413K Mouser Part No 567-413K	Wakefield Thermal	Heat Sinks Double-Surface Heat Sink for TO-3 Case Styles and Diodes, 120.7x76.2x47.6mm	Datasheet	48In Stock	€ 19,93 € 19,92 € 16,51 € 16,18 View € 15,97 Quote	Min.: 1 Mult.: 1
Heat Sinks Natural Convection Heat Sink for Metal-Case Semis for TO3, 25.4mm H 641A Wakefield Thermal 1: € 12,87 85In Stock	Mfr. Part No. 641A Mouser Part No 567-641-A	Wakefield Thermal	Heat Sinks Natural Convection Heat Sink for Metal-Case Semis for TO3, 25.4mm H	Datasheet	85In Stock	€ 12,87 € 11,47 € 10,82 € 10,42 View € 10,04 € 9,62 € 9,30 € 8,96	Min.: 1 Mult.: 1
Heat Sinks Natural Convection Heat Sink for Metal-Case Semis, No Hole Pattern, 25.4mm H 641K Wakefield Thermal 1: € 13,96 36In Stock	Mfr. Part No. 641K Mouser Part No 567-641-K	Wakefield Thermal	Heat Sinks Natural Convection Heat Sink for Metal-Case Semis, No Hole Pattern, 25.4mm H	Datasheet	36In Stock	€ 13,96 € 12,36 € 11,66 € 11,01 View € 10,49 € 9,92 € 9,66	Min.: 1 Mult.: 1
Heat Sinks Maximum Efficiency, Omnidirectional Heat Sink for TO-3, 25.4mm Height 680-10A Wakefield Thermal 1: € 16,81 83In Stock	Mfr. Part No. 680-10A Mouser Part No 567-680-10A	Wakefield Thermal	Heat Sinks Maximum Efficiency, Omnidirectional Heat Sink for TO-3, 25.4mm Height	Datasheet	83In Stock	€ 16,81 € 16,11 € 13,11 € 12,67 View € 10,75 € 10,47	Min.: 1 Mult.: 1
Heat Sinks Heatsink, T03 HS09 Apex Microtechnology 1: € 11,84 250Expected 24/12/2026	Mfr. Part No. HS09 Mouser Part No 137-HS09	Apex Microtechnology	Heat Sinks Heatsink, T03	Datasheet	250Expected 24/12/2026	€ 11,84 € 10,95 € 10,30 € 9,67 View € 9,28 € 8,84 € 8,51 € 8,29	Min.: 1 Mult.: 1
Heat Sinks Square Basket Heat Sink for TO-3, Slanted Fin, Horizontal, 5 Degree C/W, 31.75mm 500403B00000G Aavid 1: € 7,69 1 755Expected 30/10/2026	Mfr. Part No. 500403B00000G Mouser Part No 532-500403B00	Aavid	Heat Sinks Square Basket Heat Sink for TO-3, Slanted Fin, Horizontal, 5 Degree C/W, 31.75mm	Datasheet	1 755Expected 30/10/2026	€ 7,69 € 7,68 Quote Quote	Min.: 1 Mult.: 1
Heat Sinks Maximum Efficiency, Omnidirectional Heat Sink for TO-3, 12.7mm Height 680-5A Wakefield Thermal 1: € 23,88 248Expected 21/12/2026	Mfr. Part No. 680-5A Mouser Part No 567-680-5A	Wakefield Thermal	Heat Sinks Maximum Efficiency, Omnidirectional Heat Sink for TO-3, 12.7mm Height	Datasheet	248Expected 21/12/2026	€ 23,88 € 22,59 € 21,65 € 20,66 € 18,33	Min.: 1 Mult.: 1
Heat Sinks Double-Surface Heat Sink for TO-3 Case Styles, 120.7x38.1x31.8mm 401K Wakefield Thermal 1: € 14,40 112Expected 28/10/2026	Mfr. Part No. 401K Mouser Part No 567-401-K	Wakefield Thermal	Heat Sinks Double-Surface Heat Sink for TO-3 Case Styles, 120.7x38.1x31.8mm		112Expected 28/10/2026	€ 14,40 € 12,75 € 12,14 € 11,63 View € 11,20 € 10,66 € 10,34 € 9,96	Min.: 1 Mult.: 1
Heat Sinks Heatsink, T03 HS03 Apex Microtechnology 1: € 131,40 Non-Stocked Lead-Time 16 Weeks	Mfr. Part No. HS03 Mouser Part No 137-HS03	Apex Microtechnology	Heat Sinks Heatsink, T03	Datasheet	Non-Stocked Lead-Time 16 Weeks	€ 131,40 € 118,84 € 111,26 € 107,14	Min.: 1 Mult.: 1
Heat Sinks Heatsink, T03 HS04 Apex Microtechnology 1: € 82,69 Non-Stocked Lead-Time 16 Weeks	Mfr. Part No. HS04 Mouser Part No 137-HS04	Apex Microtechnology	Heat Sinks Heatsink, T03	Datasheet	Non-Stocked Lead-Time 16 Weeks	€ 82,69 € 75,28 € 70,26 € 67,75 € 65,24	Min.: 1 Mult.: 1
Heat Sinks Heatsink, T03 HS05 Apex Microtechnology 1: € 65,06 Non-Stocked Lead-Time 16 Weeks	Mfr. Part No. HS05 Mouser Part No 137-HS05	Apex Microtechnology	Heat Sinks Heatsink, T03	Datasheet	Non-Stocked Lead-Time 16 Weeks	€ 65,06 € 58,94 € 55,01 € 53,04 € 51,08	Min.: 1 Mult.: 1
Heat Sinks Hat Section Heat Sink for TO-3, Low Profile, Horizontal, 7 Degree C/W, Black 506003B00000G Aavid 1: € 0,937 Non-Stocked Lead-Time 4 Weeks	Mfr. Part No. 506003B00000G Mouser Part No 532-506003B00000G	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	€ 0,937 € 0,826 € 0,804 € 0,782 View € 0,739 € 0,697 € 0,672 € 0,647 € 0,594	Min.: 1 Mult.: 1
Heat Sinks Channel Style Heat Sink for TO-3, Base Only 520329B00000G Aavid 25 000: € 0,569 Non-Stocked Lead-Time 8 Weeks	Mfr. Part No. 520329B00000G Mouser Part No 532-520329B00000G	Aavid	Heat Sinks Channel Style Heat Sink for TO-3, Base Only	Datasheet	Non-Stocked Lead-Time 8 Weeks	€ 0,569	Min.: 25 000 Mult.: 500
Thermal Interface Products ulTIMiFlux Dielectric Phase Change Thermal Material, TO-3 Pad, 4 Pin CD-02-05-3-4 Wakefield Thermal 1 000: € 1,59 Non-Stocked Lead-Time 8 Weeks	Mfr. Part No. CD-02-05-3-4 Mouser Part No 567-CD-02-05-3-4	Wakefield Thermal	Thermal Interface Products ulTIMiFlux Dielectric Phase Change Thermal Material, TO-3 Pad, 4 Pin Learn More about Wakefield Thermal wakefield vette ultimiflux thermal materials	Datasheet	Non-Stocked Lead-Time 8 Weeks	€ 1,59 € 1,46	Min.: 1 000 Mult.: 500
Thermal Interface Products Insulator 110500F00000G Aavid 10 000: € 1,83 Non-Stocked Lead-Time 13 Weeks	Mfr. Part No. 110500F00000G Mouser Part No 532-110500F00G	Aavid	Thermal Interface Products Insulator		Non-Stocked Lead-Time 13 Weeks	€ 1,83	Min.: 10 000 Mult.: 2 000
Thermal Interface Products Conductive Hardware for TO3, 39.65mm L, 26.67mm W, 0.81mm Thick, Ceramic 4003-1G Aavid 100: € 46,92 Non-Stocked Lead-Time 13 Weeks	Mfr. Part No. 4003-1G Mouser Part No 532-4003-1	Aavid	Thermal Interface Products Conductive Hardware for TO3, 39.65mm L, 26.67mm W, 0.81mm Thick, Ceramic	Datasheet	Non-Stocked Lead-Time 13 Weeks	€ 46,92 € 46,89 Quote Quote	Min.: 100 Mult.: 50
Heat Sinks Mounting Kit with Thermalfilm Insulator for TO-3 4804 REV D-G Aavid 2 000: € 5,13 Non-Stocked Lead-Time 13 Weeks	Mfr. Part No. 4804 REV D-G Mouser Part No 532-4804G	Aavid	Heat Sinks Mounting Kit with Thermalfilm Insulator for TO-3	Datasheet	Non-Stocked Lead-Time 13 Weeks	€ 5,13	Min.: 2 000 Mult.: 1 000
Heat Sinks Basket Heat Sink for TO-3, Straight Fin, Horizontal, 6 Degree C/W, 31.75mm 505403B00000G Aavid 4 000: € 6,21 Non-Stocked Lead-Time 13 Weeks	Mfr. Part No. 505403B00000G Mouser Part No 532-505403B00000	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	€ 6,21	Min.: 4 000 Mult.: 500
Heat Sinks Square Basket Heat Sink for TO-3, Horizontal, Black, 45.21x45.21x11.94mm 552703B00000G Aavid 10 000: € 2,06 Non-Stocked Lead-Time 32 Weeks	Mfr. Part No. 552703B00000G Mouser Part No 532-552703B00	Aavid	Heat Sinks Square Basket Heat Sink for TO-3, Horizontal, Black, 45.21x45.21x11.94mm	Datasheet	Non-Stocked Lead-Time 32 Weeks	€ 2,06	Min.: 10 000 Mult.: 5 000

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