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TO-3 Thermal Management

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (DKK) 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: 12,83 kr. 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	12,83 kr. 11,79 kr. 11,49 kr. 11,26 kr. View 10,59 kr. 10,37 kr. 8,80 kr. 8,28 kr.	Min.: 1 Mult.: 1
Heat Sinks Basket Heat Sink, TO3, Space-Saving, Horizontal, 13.4 Degree C/W, 19.05mm 575703B00000G Aavid 1: 21,78 kr. 542In 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	542In Stock 6.000Expected 23/04/2027	21,78 kr. 19,32 kr. 18,43 kr. 17,53 kr. View 17,08 kr. 17,01 kr.	Min.: 1 Mult.: 1
Heat Sinks Snap-On Cover for TO-3, Nylon, Black 8909NBG Aavid 1: 2,12 kr. 3.468In Stock	Mfr. Part No. 8909NBG Mouser Part No 532-8909NBG	Aavid	Heat Sinks Snap-On Cover for TO-3, Nylon, Black	Datasheet	3.468In Stock	2,12 kr. 1,95 kr. 1,93 kr.	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: 130,55 kr. 27In 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	27In Stock	130,55 kr. 116,67 kr. 111,15 kr. 106,53 kr. View 102,58 kr. 97,73 kr. 94,67 kr.	Min.: 1 Mult.: 1
Heat Sinks Double-Surface Heat Sink for TO-3 Case Styles, 120.7x76.2x31.8mm 403K Wakefield Thermal 1: 149,87 kr. 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	149,87 kr. 128,61 kr. 123,91 kr. 121,30 kr. View 114,59 kr. 111,68 kr. 107,65 kr.	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: 145,77 kr. 56In 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	56In Stock	145,77 kr. 133,09 kr. 126,45 kr. 125,70 kr. View 123,16 kr. 120,70 kr. 119,14 kr. Quote	Min.: 1 Mult.: 1
Heat Sinks Natural Convection Heat Sink for Metal-Case Semis for TO3, 25.4mm H 641A Wakefield Thermal 1: 96,68 kr. 86In 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	86In Stock	96,68 kr. 85,57 kr. 80,72 kr. 77,73 kr. View 74,90 kr. 71,77 kr. 69,38 kr. 66,84 kr.	Min.: 1 Mult.: 1
Heat Sinks Natural Convection Heat Sink for Metal-Case Semis, No Hole Pattern, 25.4mm H 641K Wakefield Thermal 1: 104,14 kr. 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	104,14 kr. 92,21 kr. 86,98 kr. 82,13 kr. View 78,26 kr. 74,00 kr. 72,06 kr.	Min.: 1 Mult.: 1
Heat Sinks Diamond Shaped, Basket Heat Sink for TO-3, Horizontal, 10.1 Degree C/W, 12.5mm PF523G Aavid 1: 62,14 kr. 156In Stock	Mfr. Part No. PF523G Mouser Part No 532-PF-523	Aavid	Heat Sinks Diamond Shaped, Basket Heat Sink for TO-3, Horizontal, 10.1 Degree C/W, 12.5mm	Datasheet	156In Stock	62,14 kr. 59,83 kr. 56,55 kr. 53,19 kr. View 49,83 kr. 46,55 kr. 44,69 kr. 44,01 kr. Quote	Min.: 1 Mult.: 1
Heat Sinks Heatsink, T03 HS09 Apex Microtechnology 1: 88,33 kr. 250Expected 27/11/2026	Mfr. Part No. HS09 Mouser Part No 137-HS09	Apex Microtechnology	Heat Sinks Heatsink, T03	Datasheet	250Expected 27/11/2026	88,33 kr. 81,69 kr. 76,84 kr. 72,14 kr. View 69,23 kr. 65,95 kr. 63,48 kr. 61,84 kr.	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: 58,26 kr. 1.980Expected 09/10/2026	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	1.980Expected 09/10/2026	58,26 kr. 58,19 kr. Quote Quote	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: 105,86 kr. 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	105,86 kr. 98,77 kr. 92,21 kr. 87,58 kr. View 85,34 kr. 81,24 kr. 76,76 kr. 75,35 kr. Quote	Min.: 1 Mult.: 1
Heat Sinks Double-Surface Heat Sink for TO-3 Case Styles, 120.7x38.1x31.8mm 401K Wakefield Thermal 1: 110,04 kr. 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	110,04 kr. 100,78 kr. 92,06 kr. 88,62 kr. View 88,55 kr. 84,37 kr. 78,03 kr. 76,39 kr. Quote	Min.: 1 Mult.: 1
Heat Sinks Low Profile Heat Sink for All Metal-Case Power Semis, No Hole, 120.6x38.1x11.7mm 621K Wakefield Thermal 1: 38,05 kr. 303Expected 12/10/2026	Mfr. Part No. 621K Mouser Part No 567-621K	Wakefield Thermal	Heat Sinks Low Profile Heat Sink for All Metal-Case Power Semis, No Hole, 120.6x38.1x11.7mm	Datasheet	303Expected 12/10/2026	38,05 kr. 36,93 kr. 36,33 kr. 33,42 kr. View 31,78 kr. 31,71 kr. 30,96 kr. 29,32 kr. 28,94 kr.	Min.: 1 Mult.: 1
Heat Sinks Maximum Efficiency, Omnidirectional Heat Sink for TO-3, 12.7mm Height 680-5A Wakefield Thermal 1: 178,14 kr. 17Expected 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	17Expected 21/12/2026	178,14 kr. 168,52 kr. 161,51 kr. 154,12 kr. 136,74 kr.	Min.: 1 Mult.: 1
Heat Sinks Heatsink, T03 HS03 Apex Microtechnology 1: 555,47 kr. 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	555,47 kr. 505,71 kr. 471,99 kr. 455,13 kr. View 438,42 kr. Quote	Min.: 1 Mult.: 1
Heat Sinks Heatsink, T03 HS04 Apex Microtechnology 1: 1.040,00 kr. 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	1.040,00 kr. 920,04 kr. 876,33 kr. 845,59 kr.	Min.: 1 Mult.: 1
Heat Sinks Heatsink, T03 HS05 Apex Microtechnology 1: 830,37 kr. 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	830,37 kr. 771,51 kr. 719,96 kr. 694,30 kr. View 668,86 kr. Quote	Min.: 1 Mult.: 1
Heat Sinks Hat Section Heat Sink for TO-3, Low Profile, Horizontal, 7 Degree C/W, Black 506003B00000G Aavid 1: 6,99 kr. 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	6,99 kr. 6,16 kr. 6,00 kr. 5,83 kr. View 5,51 kr. 5,20 kr. 5,01 kr. 4,83 kr. 4,43 kr.	Min.: 1 Mult.: 1
Heat Sinks Channel Style Heat Sink for TO-3, Base Only 520329B00000G Aavid 25.000: 4,24 kr. 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	4,24 kr.	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: 11,86 kr. 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	11,86 kr. 10,89 kr.	Min.: 1.000 Mult.: 500
Thermal Interface Products Insulator 110500F00000G Aavid 10.000: 13,65 kr. 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	13,65 kr.	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: 350,02 kr. 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	350,02 kr. 349,80 kr. Quote Quote	Min.: 100 Mult.: 50
Heat Sinks Mounting Kit with Thermalfilm Insulator for TO-3 4804 REV D-G Aavid 2.000: 38,27 kr. 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	38,27 kr.	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 1: 39,09 kr. 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	39,09 kr. 34,84 kr. 33,27 kr. 31,85 kr. View 30,44 kr. 28,72 kr. 27,83 kr.	Min.: 1 Mult.: 1

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