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TO-3 Thermal Management

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) 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, 7.4 Degree C/W, 25mm PF527G Aavid 1: $17.53 266In Stock	Mfr. Part # PF527G Mouser Part # 532-PF-527	Aavid	Heat Sinks Diamond Shaped, Basket Heat Sink for TO-3, Horizontal, 7.4 Degree C/W, 25mm	Datasheet	266In Stock	$17.53 $16.35 $15.67 $15.66 View $13.76 Quote	Min.: 1 Mult.: 1
Heat Sinks Diamond Shaped, Basket Heat Sink for TO-3, Horizontal, 8.4 Degree C/W, 25.4mm 501503B00000G Aavid 1: $1.99 4,703In Stock	Mfr. Part # 501503B00000G Mouser Part # 532-501503B00	Aavid	Heat Sinks Diamond Shaped, Basket Heat Sink for TO-3, Horizontal, 8.4 Degree C/W, 25.4mm	Datasheet	4,703In Stock	$1.99 $1.83 $1.78 $1.73 View $1.64 $1.54 $1.44 $1.37 $1.29	Min.: 1 Mult.: 1
Heat Sinks Low Profile Heat Sink for All Metal-Case Power Semis for TO-3, 120.6x76.2x11.7mm 623A Wakefield Thermal 1: $10.90 215In Stock	Mfr. Part # 623A Mouser Part # 567-623A	Wakefield Thermal	Heat Sinks Low Profile Heat Sink for All Metal-Case Power Semis for TO-3, 120.6x76.2x11.7mm	Datasheet	215In Stock	$10.90 $10.05 $9.57 $9.21 View $8.78 $8.46 $8.15 $7.86	Min.: 1 Mult.: 1
Heat Sinks Heat Sink for TO3, 120.7x76.2x66.7mm, 6.9mm dia. Hole Mounting Hole Pattern 421F Wakefield Thermal 1: $33.17 60In Stock	Mfr. Part # 421F Mouser Part # 567-421F	Wakefield Thermal	Heat Sinks Heat Sink for TO3, 120.7x76.2x66.7mm, 6.9mm dia. Hole Mounting Hole Pattern	Datasheet	60In Stock	$33.17 $31.44 $30.05 $29.82 View $29.81 $29.09 Quote	Min.: 1 Mult.: 1
Heat Sinks Basket Heat Sink for TO-3, Slanted Fin, Horizontal, 7.2 Degree C/W, 12.7mm 500103B00000G Aavid 1: $3.47 2,600In Stock	Mfr. Part # 500103B00000G Mouser Part # 532-500103B00	Aavid	Heat Sinks Basket Heat Sink for TO-3, Slanted Fin, Horizontal, 7.2 Degree C/W, 12.7mm	Datasheet	2,600In Stock	$3.47 $3.22 $3.14 $2.96 View $2.79 $2.60 $2.52 $2.40	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: $5.66 278In Stock	Mfr. Part # 621K Mouser Part # 567-621K	Wakefield Thermal	Heat Sinks Low Profile Heat Sink for All Metal-Case Power Semis, No Hole, 120.6x38.1x11.7mm	Datasheet	278In Stock	$5.66 $4.14 $3.94 $3.90	Min.: 1 Mult.: 1
Heat Sinks Basket Heat Sink for TO-3, Fold Back Fin, Horizontal, 5.5 Degree C/W, 33.27mm 569003B00000G Aavid 1: $3.89 1,473In Stock	Mfr. Part # 569003B00000G Mouser Part # 532-569003B00	Aavid	Heat Sinks Basket Heat Sink for TO-3, Fold Back Fin, Horizontal, 5.5 Degree C/W, 33.27mm	Datasheet	1,473In Stock	$3.89 $3.63 $3.34 $3.14 View $2.95 $2.84	Min.: 1 Mult.: 1
Heat Sinks Double-Surface Heat Sink for TO-3 Case, 120.7x76.2x31.8mm, 6.9mm Dia. Mount Hole 403F Wakefield Thermal 1: $20.16 88In Stock	Mfr. Part # 403F Mouser Part # 567-403F	Wakefield Thermal	Heat Sinks Double-Surface Heat Sink for TO-3 Case, 120.7x76.2x31.8mm, 6.9mm Dia. Mount Hole	Datasheet	88In Stock	$20.16 $17.86 $17.23 $16.46 View $16.45 Quote	Min.: 1 Mult.: 1
Heat Sinks Double-Surface Heat Sink for TO3, V Hole Pattern, 120.7mm 401V Wakefield Thermal 1: $10.39 108In Stock	Mfr. Part # 401V Mouser Part # 567-401V	Wakefield Thermal	Heat Sinks Double-Surface Heat Sink for TO3, V Hole Pattern, 120.7mm	Datasheet	108In Stock	$10.39 $10.14 $10.13	Min.: 1 Mult.: 1
Heat Sinks Space-Saving, Expandable Collar Heat Sink, TO3, Horizontal, 12.5 C/W, Black 579103B00000G Aavid 1: $2.60 2,707In Stock	Mfr. Part # 579103B00000G Mouser Part # 532-579103B00	Aavid	Heat Sinks Space-Saving, Expandable Collar Heat Sink, TO3, Horizontal, 12.5 C/W, Black	Datasheet	2,707In Stock	$2.60 $2.37 $2.30 $2.18 View $2.05 $1.94 $1.86 $1.79 $1.64	Min.: 1 Mult.: 1
Heat Sinks Low Profile Heat Sink for All Metal-Case Power Semis for TO-3, 120.6x38.1x11.7mm 621A Wakefield Thermal 1: $5.30 300In Stock	Mfr. Part # 621A Mouser Part # 567-621A	Wakefield Thermal	Heat Sinks Low Profile Heat Sink for All Metal-Case Power Semis for TO-3, 120.6x38.1x11.7mm		300In Stock	$5.30 $5.03 $4.90 $4.62 View $4.35 $4.07 $3.93 $3.66	Min.: 1 Mult.: 1
Heat Sinks Diamond Shaped, Basket Heat Sink for TO-3, Horizontal, 7.8 Degree C/W, 31.75mm 501603B00000G Aavid 1: $9.27 929In Stock	Mfr. Part # 501603B00000G Mouser Part # 532-501603B00	Aavid	Heat Sinks Diamond Shaped, Basket Heat Sink for TO-3, Horizontal, 7.8 Degree C/W, 31.75mm	Datasheet	929In Stock	$9.27 $8.36 $7.97 $7.68 View $7.40 $6.91 $6.66 $6.38	Min.: 1 Mult.: 1
Heat Sinks Heatsink, T03 HS01 Apex Microtechnology 1: $39.44 922In Stock	Mfr. Part # HS01 Mouser Part # 137-HS01	Apex Microtechnology	Heat Sinks Heatsink, T03	Datasheet	922In Stock	$39.44 $36.37 $34.10 $32.04 View $30.88 $29.40	Min.: 1 Mult.: 1
Heat Sinks Heatsink, T03 HS02 Apex Microtechnology 1: $41.14 253In Stock 276On Order	Mfr. Part # HS02 Mouser Part # 137-HS02	Apex Microtechnology	Heat Sinks Heatsink, T03	Datasheet	253In Stock 276On Order	$41.14 $37.93 $35.57 $33.42 View $32.21 $30.67	Min.: 1 Mult.: 1
Heat Sinks Heatsink, T03 HS13 Apex Microtechnology 1: $144.06 27In Stock	Mfr. Part # HS13 Mouser Part # 137-HS13	Apex Microtechnology	Heat Sinks Heatsink, T03	Datasheet	27In Stock	$144.06 $129.44 $121.40 $116.99	Min.: 1 Mult.: 1
Heat Sinks Heatsink, T03, PDIP, Pwr Pkg, H2O-cooled HS11 Apex Microtechnology 1: $319.54 2In Stock	Mfr. Part # HS11 Mouser Part # 137-HS11	Apex Microtechnology	Heat Sinks Heatsink, T03, PDIP, Pwr Pkg, H2O-cooled	Datasheet	2In Stock	$319.54 $72.39 $67.56 $65.15 View $62.75 Quote	Min.: 1 Mult.: 1
Heat Sinks Heatsink, T03 HS14 Apex Microtechnology 1: $54.07 22In Stock	Mfr. Part # HS14 Mouser Part # 137-HS14	Apex Microtechnology	Heat Sinks Heatsink, T03	Datasheet	22In Stock	$54.07 $50.89 $47.72 $44.53 View $42.95 $42.94 Quote	Min.: 1 Mult.: 1
Heat Sinks Hat Section Heat Sink for TO-3, Horizontal, Black Anodized, 50.8x44.45x9.52mm 506007B00000G Aavid 1: $1.96 4,717In Stock	Mfr. Part # 506007B00000G Mouser Part # 532-506007B00	Aavid	Heat Sinks Hat Section Heat Sink for TO-3, Horizontal, Black Anodized, 50.8x44.45x9.52mm	Datasheet	4,717In Stock	$1.96 $1.78 $1.72 $1.66 View $1.65 $1.52	Min.: 1 Mult.: 1
Heat Sinks BGA Heat Sink, High Performance, Stamped, No TIM, TO-3, 45.21x45.21x30.99mm ATS-PCBT1088 Advanced Thermal Solutions 1: $4.69 84In Stock	Mfr. Part # ATS-PCBT1088 Mouser Part # 984-ATS-PCBT1088	Advanced Thermal Solutions	Heat Sinks BGA Heat Sink, High Performance, Stamped, No TIM, TO-3, 45.21x45.21x30.99mm	Datasheet	84In Stock	$4.69 $4.20 $4.00 $3.86 View $3.71 $3.50 $3.36 $3.27 $3.22	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: $14.89 1,720In Stock	Mfr. Part # 500403B00000G Mouser Part # 532-500403B00	Aavid	Heat Sinks Square Basket Heat Sink for TO-3, Slanted Fin, Horizontal, 5 Degree C/W, 31.75mm	Datasheet	1,720In Stock	$14.89 $12.88 $11.93 $11.73 View $11.26 $10.73 $10.33 $10.05 Quote	Min.: 1 Mult.: 1
Heat Sinks Diamond Shaped, Basket Heat Sink for TO-3, Horizontal, 12 Degree C/W, 12.7mm 501303B00000G Aavid 1: $1.70 6,817In Stock	Mfr. Part # 501303B00000G Mouser Part # 532-501303B00	Aavid	Heat Sinks Diamond Shaped, Basket Heat Sink for TO-3, Horizontal, 12 Degree C/W, 12.7mm	Datasheet	6,817In Stock	$1.70 $1.56 $1.51 $1.47 View $1.39 $1.31 $1.27 $1.07	Min.: 1 Mult.: 1
Heat Sinks Diamond Shaped, Basket Heat Sink for TO-3, Horizontal, 10 Degree C/W, 19.05mm 501403B00000G Aavid 1: $5.22 1,186In Stock	Mfr. Part # 501403B00000G Mouser Part # 532-501403B00	Aavid	Heat Sinks Diamond Shaped, Basket Heat Sink for TO-3, Horizontal, 10 Degree C/W, 19.05mm	Datasheet	1,186In Stock	$5.22 $4.67 $4.42 $4.24 View $4.05 $3.85 $3.73 $3.58 $3.50	Min.: 1 Mult.: 1
Heat Sinks Maximum Efficiency, Omnidirectional Heat Sink for TO-3, 31.8mm Height 680-125A Wakefield Thermal 1: $17.68 206In Stock 750Expected 12/11/2026	Mfr. Part # 680-125A Mouser Part # 567-680-125A	Wakefield Thermal	Heat Sinks Maximum Efficiency, Omnidirectional Heat Sink for TO-3, 31.8mm Height	Datasheet	206In Stock 750Expected 12/11/2026	$17.68 $17.13 $14.89 $14.00 View $13.20 $12.72 $12.29 Quote	Min.: 1 Mult.: 1
Heat Sinks Maximum Efficiency, Omnidirectional Heat Sink, No Hole Pattern, 31.8mm Height 680-125K Wakefield Thermal 1: $16.47 117In Stock	Mfr. Part # 680-125K Mouser Part # 567-680-125K	Wakefield Thermal	Heat Sinks Maximum Efficiency, Omnidirectional Heat Sink, No Hole Pattern, 31.8mm Height	Datasheet	117In Stock	$16.47 $15.35 $14.44 $13.79 $12.13	Min.: 1 Mult.: 1
Heat Sinks Highest Efficiency/Lowest Unit Cost Heat Sink for TO-3, 33.3mm Height 690-3B Wakefield Thermal 1: $3.16 2,013In Stock	Mfr. Part # 690-3B Mouser Part # 567-690-3B	Wakefield Thermal	Heat Sinks Highest Efficiency/Lowest Unit Cost Heat Sink for TO-3, 33.3mm Height Learn More about Wakefield Thermal wakefield vette 690 extruded heat sinks	Datasheet	2,013In Stock	$3.16 $2.97 $2.75 $2.51 View $2.39 $1.77	Min.: 1 Mult.: 1

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