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TO-3 Thermal Management

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (SGD) 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: $23.84 266In Stock	Mfr. Part No. PF527G Mouser Part No 532-PF-527	Aavid	Heat Sinks Diamond Shaped, Basket Heat Sink for TO-3, Horizontal, 7.4 Degree C/W, 25mm	Datasheet	266In Stock	$23.84 $22.24 $21.31 $21.30 View $18.71 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: $2.71 4,703In Stock	Mfr. Part No. 501503B00000G Mouser Part No 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	$2.71 $2.49 $2.42 $2.35 View $2.23 $2.09 $1.96 $1.86 $1.75	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: $14.82 215In Stock	Mfr. Part No. 623A Mouser Part No 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	$14.82 $13.67 $13.02 $12.53 View $11.94 $11.51 $11.08 $10.69	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: $45.11 60In Stock	Mfr. Part No. 421F Mouser Part No 567-421F	Wakefield Thermal	Heat Sinks Heat Sink for TO3, 120.7x76.2x66.7mm, 6.9mm dia. Hole Mounting Hole Pattern	Datasheet	60In Stock	$45.11 $42.76 $40.87 $40.56 View $40.54 $39.56 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: $4.72 2,600In Stock	Mfr. Part No. 500103B00000G Mouser Part No 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	$4.72 $4.38 $4.27 $4.03 View $3.79 $3.54 $3.43 $3.26	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: $7.70 278In Stock	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	278In Stock	$7.70 $5.63 $5.36 $5.30	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: $5.29 1,473In Stock	Mfr. Part No. 569003B00000G Mouser Part No 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	$5.29 $4.94 $4.54 $4.27 View $4.01 $3.86	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: $27.42 88In Stock	Mfr. Part No. 403F Mouser Part No 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	$27.42 $24.29 $23.43 $22.39 View $22.37 Quote	Min.: 1 Mult.: 1
Heat Sinks Double-Surface Heat Sink for TO3, V Hole Pattern, 120.7mm 401V Wakefield Thermal 1: $14.13 108In Stock	Mfr. Part No. 401V Mouser Part No 567-401V	Wakefield Thermal	Heat Sinks Double-Surface Heat Sink for TO3, V Hole Pattern, 120.7mm	Datasheet	108In Stock	$14.13 $13.79 $13.78	Min.: 1 Mult.: 1
Heat Sinks Space-Saving, Expandable Collar Heat Sink, TO3, Horizontal, 12.5 C/W, Black 579103B00000G Aavid 1: $3.54 2,707In Stock	Mfr. Part No. 579103B00000G Mouser Part No 532-579103B00	Aavid	Heat Sinks Space-Saving, Expandable Collar Heat Sink, TO3, Horizontal, 12.5 C/W, Black	Datasheet	2,707In Stock	$3.54 $3.22 $3.13 $2.96 View $2.79 $2.64 $2.53 $2.43 $2.23	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: $7.21 300In Stock	Mfr. Part No. 621A Mouser Part No 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	$7.21 $6.84 $6.66 $6.28 View $5.92 $5.54 $5.34 $4.98	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: $12.61 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	$12.61 $11.37 $10.84 $10.44 View $10.06 $9.40 $9.06 $8.68	Min.: 1 Mult.: 1
Heat Sinks Heatsink, T03 HS01 Apex Microtechnology 1: $53.64 922In Stock	Mfr. Part No. HS01 Mouser Part No 137-HS01	Apex Microtechnology	Heat Sinks Heatsink, T03	Datasheet	922In Stock	$53.64 $49.46 $46.38 $43.57 View $42.00 $39.98	Min.: 1 Mult.: 1
Heat Sinks Heatsink, T03 HS02 Apex Microtechnology 1: $55.95 253In Stock 276On Order	Mfr. Part No. HS02 Mouser Part No 137-HS02	Apex Microtechnology	Heat Sinks Heatsink, T03	Datasheet	253In Stock 276On Order	$55.95 $51.58 $48.38 $45.45 View $43.81 $41.71	Min.: 1 Mult.: 1
Heat Sinks Heatsink, T03 HS13 Apex Microtechnology 1: $195.92 27In Stock	Mfr. Part No. HS13 Mouser Part No 137-HS13	Apex Microtechnology	Heat Sinks Heatsink, T03	Datasheet	27In Stock	$195.92 $176.04 $165.10 $159.11	Min.: 1 Mult.: 1
Heat Sinks Heatsink, T03, PDIP, Pwr Pkg, H2O-cooled HS11 Apex Microtechnology 1: $434.57 2In Stock	Mfr. Part No. HS11 Mouser Part No 137-HS11	Apex Microtechnology	Heat Sinks Heatsink, T03, PDIP, Pwr Pkg, H2O-cooled	Datasheet	2In Stock	$434.57 $98.45 $91.88 $88.60 View $85.34 Quote	Min.: 1 Mult.: 1
Heat Sinks Heatsink, T03 HS14 Apex Microtechnology 1: $73.54 22In Stock	Mfr. Part No. HS14 Mouser Part No 137-HS14	Apex Microtechnology	Heat Sinks Heatsink, T03	Datasheet	22In Stock	$73.54 $69.21 $64.90 $60.56 View $58.41 $58.40 Quote	Min.: 1 Mult.: 1
Heat Sinks Hat Section Heat Sink for TO-3, Horizontal, Black Anodized, 50.8x44.45x9.52mm 506007B00000G Aavid 1: $2.67 4,717In Stock	Mfr. Part No. 506007B00000G Mouser Part No 532-506007B00	Aavid	Heat Sinks Hat Section Heat Sink for TO-3, Horizontal, Black Anodized, 50.8x44.45x9.52mm	Datasheet	4,717In Stock	$2.67 $2.42 $2.34 $2.26 View $2.24 $2.07	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: $6.38 84In Stock	Mfr. Part No. ATS-PCBT1088 Mouser Part No 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	$6.38 $5.71 $5.44 $5.25 View $5.05 $4.76 $4.57 $4.45 $4.38	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: $20.25 1,745In Stock	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	1,745In Stock	$20.25 $17.52 $16.22 $15.95 View $15.31 $14.59 $14.05 $13.67 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: $2.31 6,817In Stock	Mfr. Part No. 501303B00000G Mouser Part No 532-501303B00	Aavid	Heat Sinks Diamond Shaped, Basket Heat Sink for TO-3, Horizontal, 12 Degree C/W, 12.7mm	Datasheet	6,817In Stock	$2.31 $2.12 $2.05 $2.00 View $1.89 $1.78 $1.73 $1.46	Min.: 1 Mult.: 1
Heat Sinks Diamond Shaped, Basket Heat Sink for TO-3, Horizontal, 10 Degree C/W, 19.05mm 501403B00000G Aavid 1: $7.10 1,186In Stock	Mfr. Part No. 501403B00000G Mouser Part No 532-501403B00	Aavid	Heat Sinks Diamond Shaped, Basket Heat Sink for TO-3, Horizontal, 10 Degree C/W, 19.05mm	Datasheet	1,186In Stock	$7.10 $6.35 $6.01 $5.77 View $5.51 $5.24 $5.07 $4.87 $4.76	Min.: 1 Mult.: 1
Heat Sinks Maximum Efficiency, Omnidirectional Heat Sink for TO-3, 31.8mm Height 680-125A Wakefield Thermal 1: $24.04 206In Stock 750Expected 11/12/2026	Mfr. Part No. 680-125A Mouser Part No 567-680-125A	Wakefield Thermal	Heat Sinks Maximum Efficiency, Omnidirectional Heat Sink for TO-3, 31.8mm Height	Datasheet	206In Stock 750Expected 11/12/2026	$24.04 $23.30 $20.25 $19.04 View $17.95 $17.30 $16.71 Quote	Min.: 1 Mult.: 1
Heat Sinks Maximum Efficiency, Omnidirectional Heat Sink, No Hole Pattern, 31.8mm Height 680-125K Wakefield Thermal 1: $22.40 117In Stock	Mfr. Part No. 680-125K Mouser Part No 567-680-125K	Wakefield Thermal	Heat Sinks Maximum Efficiency, Omnidirectional Heat Sink, No Hole Pattern, 31.8mm Height	Datasheet	117In Stock	$22.40 $20.88 $19.64 $18.75 $16.50	Min.: 1 Mult.: 1
Heat Sinks Highest Efficiency/Lowest Unit Cost Heat Sink for TO-3, 33.3mm Height 690-3B Wakefield Thermal 1: $4.30 2,018In Stock	Mfr. Part No. 690-3B Mouser Part No 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	2,018In Stock	$4.30 $4.04 $3.74 $3.41 View $3.25 $2.41	Min.: 1 Mult.: 1

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