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Rectangular Fin Heat Sinks

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (GBP) Filter the results in the table by unit price based on your quantity.	Qty.	Product	Designed for	Mounting Style	Heatsink Material	Fin Style	Thermal Resistance	Length	Width	Height	Type
Heat Sinks Low Profile Heat Sink for All Metal-Case Power Semis, No Hole, 120.6x38.1x11.7mm 621K Wakefield Thermal 1: £4.97 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	£4.97 £3.63 £3.46 £3.42	Min.: 1 Mult.: 1	Heat Sinks	TO-3	Screw	Aluminum	Rectangular Fin	2 C/W	120.6 mm	38.1 mm	11.7 mm	Component
Heat Sinks Heat Sink for SMT Devices, 26.2x12.7x10.2mm, Copper, Matte Tin Plated 218-40CTE5 Wakefield Thermal 1: £0.96 911In Stock	Mfr. Part No. 218-40CTE5 Mouser Part No 567-218-40CTE5	Wakefield Thermal	Heat Sinks Heat Sink for SMT Devices, 26.2x12.7x10.2mm, Copper, Matte Tin Plated	Datasheet	911In Stock	£0.96 £0.843 £0.821 £0.798 View £0.754 £0.711 £0.686 £0.628	Min.: 1 Mult.: 1	Heat Sinks	SMD	SMD/SMT	Copper	Rectangular Fin					Top Mount
Heat Sinks Heat Sink for DC/DC Converter, Quarter, 36.8x57.9x6.1mm, Vertical, 22 Fins 547-24AB Wakefield Thermal 1: £2.95 200In Stock	Mfr. Part No. 547-24AB Mouser Part No 567-547-24AB	Wakefield Thermal	Heat Sinks Heat Sink for DC/DC Converter, Quarter, 36.8x57.9x6.1mm, Vertical, 22 Fins Learn More about Wakefield Thermal wakefield vette brick heatsinks	Datasheet	200In Stock	£2.95 £2.73 £2.66 £2.55 View £2.47 £2.24	Min.: 1 Mult.: 1	Heat Sinks	DC/DC Converter, 1/4 Brick	Screw	Aluminum	Rectangular Fin	3.5 C/W	36.8 mm	57.9 mm	6.1 mm	DC/DC Converter
Heat Sinks Low Height, Wave-Solderable Heat Sink for TO-220 Wakefield Thermal 281-1AB 281-1AB Wakefield Thermal 1: £0.519 4,497In Stock	Mfr. Part No. 281-1AB Mouser Part No 567-281-1AB	Wakefield Thermal	Heat Sinks Low Height, Wave-Solderable Heat Sink for TO-220	Datasheet	4,497In Stock	£0.519 £0.462 £0.438 £0.427 View £0.422 £0.393 £0.37 £0.336 £0.335	Min.: 1 Mult.: 1	Heat Sinks	TO-220	Through Hole	Aluminum	Rectangular Fin	8 C/W	19.1 mm	13.2 mm	9.5 mm	Component
Heat Sinks Low Profile Heat Sink for All Metal-Case Power Semis for TO-3, 120.6x38.1x11.7mm 621A Wakefield Thermal 1: £4.65 301In 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		301In Stock	£4.65 £4.42 £4.30 £4.06 View £3.82 £3.57 £3.45 £3.21	Min.: 1 Mult.: 1	Heat Sinks	TO-3	Screw	Aluminum	Rectangular Fin	2 C/W	120.6 mm	38.1 mm	11.7 mm	Component
Heat Sinks Dual Package Heat Sink for TO-218, TO-220, TO-202, Aluminum, 25.4x30.0x12.7mm 290-2AB Wakefield Thermal 1: £0.43 1,875In Stock	Mfr. Part No. 290-2AB Mouser Part No 567-290-2AB	Wakefield Thermal	Heat Sinks Dual Package Heat Sink for TO-218, TO-220, TO-202, Aluminum, 25.4x30.0x12.7mm	Datasheet	1,875In Stock	£0.43 £0.385 £0.377 £0.363 View £0.328 £0.327	Min.: 1 Mult.: 1	Heat Sinks	TO-218, TO-202, TO-220	Through Hole	Aluminum	Rectangular Fin	22 C/W	29.97 mm	25.4 mm	12.7 mm	Component
Heat Sinks Aluminum, Wave-Solderable Heat Sink for TO220, Anodized, 25.4x12.7x30.2mm 286-AB Wakefield Thermal 1: £0.553 3,027In Stock	Mfr. Part No. 286-AB Mouser Part No 567-286-AB	Wakefield Thermal	Heat Sinks Aluminum, Wave-Solderable Heat Sink for TO220, Anodized, 25.4x12.7x30.2mm	Datasheet	3,027In Stock	£0.553 £0.497 £0.472 £0.46 View £0.454 £0.423 £0.391 £0.375 £0.35	Min.: 1 Mult.: 1	Heat Sinks	TO-220	Through Hole	Aluminum	Rectangular Fin	58 C/W	30.2 mm	12.7 mm	30.2 mm	Component
Heat Sinks Heat Sink for DC/DC Converters, Full Brick, 61x116.8x19.1mm, Vertical, 16 Fins 558-75AB Wakefield Thermal 1: £6.64 194In Stock	Mfr. Part No. 558-75AB Mouser Part No 567-558-75AB	Wakefield Thermal	Heat Sinks Heat Sink for DC/DC Converters, Full Brick, 61x116.8x19.1mm, Vertical, 16 Fins Learn More about Wakefield Thermal wakefield vette brick heatsinks	Datasheet	194In Stock	£6.64 £6.33 £5.95 £5.74 View £5.64 £5.57 £5.19 Quote	Min.: 1 Mult.: 1	Heat Sinks	DC/DC Converter, Full Brick	Screw	Aluminum	Rectangular Fin	1.8 C/W	61 mm	116.8 mm	19.1 mm	DC/DC Converter
Heat Sinks High Fin Density Heat Sink, IGBTs, Relays, Mill, 182.88x228.6mm Wakefield Thermal 512-9M 512-9M Wakefield Thermal 1: £77.64 23In Stock	Mfr. Part No. 512-9M Mouser Part No 567-512-9M	Wakefield Thermal	Heat Sinks High Fin Density Heat Sink, IGBTs, Relays, Mill, 182.88x228.6mm	Datasheet	23In Stock	£77.64 £66.02 £64.63 £63.29 View £61.77 Quote	Min.: 1 Mult.: 1	Heat Sinks	Power Modules, IGBTs	Adhesive	Aluminum	Rectangular Fin	0.56 C/W	228.6 mm	182.88 mm	59.69 mm	Top Mount
Heat Sinks Heat Sink for TO220, Pre-Anodized Black, 17.5x12.7x10.1mm, Horizontal, 13H Tab Wakefield Thermal 231-69PABE-15V 231-69PABE-15V Wakefield Thermal 1: £1.07 6In Stock 5,000Expected 12/11/2026	Mfr. Part No. 231-69PABE-15V Mouser Part No 567-231-69PABE-15V	Wakefield Thermal	Heat Sinks Heat Sink for TO220, Pre-Anodized Black, 17.5x12.7x10.1mm, Horizontal, 13H Tab	Datasheet	6In Stock 5,000Expected 12/11/2026	£1.07 £0.952 £0.925 £0.899 View £0.845 £0.796 £0.767 £0.719 £0.718	Min.: 1 Mult.: 1	Heat Sinks	TO-220	Through Hole	Aluminum	Rectangular Fin		17.53 mm	21.21 mm	10.16 mm	Component
Heat Sinks Heat Sink for Vertical Board Mounting TO-220, 38.1x41.91mm, 25.4mm H Wakefield Thermal 656-15ABPE 656-15ABPE Wakefield Thermal 1: £3.93 870In Stock	Mfr. Part No. 656-15ABPE Mouser Part No 567-656-15ABPE	Wakefield Thermal	Heat Sinks Heat Sink for Vertical Board Mounting TO-220, 38.1x41.91mm, 25.4mm H	Datasheet	870In Stock	£3.93 £3.71 £3.60 £3.40 View £3.20 £3.00 £2.90 £2.87	Min.: 1 Mult.: 1	Heat Sinks	TO-218, TO-220, TO-247	Through Hole	Aluminum	Rectangular Fin	3.7 C/W	25.4 mm	41.91 mm	38.1 mm	Component
Heat Sinks Surface Mount Heat Sink for SMT Devices, 22.9x8x10.2mm, Copper, Matte Tin Plated Wakefield Thermal 218-40CTE3 218-40CTE3 Wakefield Thermal 1: £0.808 1,874In Stock	Mfr. Part No. 218-40CTE3 Mouser Part No 567-218-40CTE3	Wakefield Thermal	Heat Sinks Surface Mount Heat Sink for SMT Devices, 22.9x8x10.2mm, Copper, Matte Tin Plated	Datasheet	1,874In Stock	£0.808 £0.709 £0.69 £0.671 View £0.634 £0.597 £0.576 £0.555 £0.491	Min.: 1 Mult.: 1	Heat Sinks	SMD	SMD/SMT	Copper	Rectangular Fin					Top Mount
Heat Sinks maxiFLOW BGA Heat Sink+Plastic pushPIN, Cross-Cut, 40x38.1x10mm, 3.90C/W, High ATS-1038-C3-R0 Advanced Thermal Solutions 1: £13.16 112In Stock	Mfr. Part No. ATS-1038-C3-R0 Mouser Part No 984-ATS-1038-C3-R0	Advanced Thermal Solutions	Heat Sinks maxiFLOW BGA Heat Sink+Plastic pushPIN, Cross-Cut, 40x38.1x10mm, 3.90C/W, High Learn More about Advanced Thermal Solutions ats maxiflow heat sinks	Datasheet	112In Stock	£13.16 £11.86 £11.43 £11.02 View £10.17 £9.90	Min.: 1 Mult.: 1	Heat Sinks	BGA	Push Pin	Aluminum	Rectangular Fin	3.90 deg C/W	1.575" (40.00mm)	1.500" (38.10mm)	0.394" (10.00mm)	Top Mount
Heat Sinks maxiFLOW BGA Heat Sink+Plastic pushPIN, High Performance, Cross-Cut, 41x45x15mm ATS-1042-C1-R0 Advanced Thermal Solutions 1: £16.37 90In Stock	Mfr. Part No. ATS-1042-C1-R0 Mouser Part No 984-ATS-1042-C1-R0	Advanced Thermal Solutions	Heat Sinks maxiFLOW BGA Heat Sink+Plastic pushPIN, High Performance, Cross-Cut, 41x45x15mm Learn More about Advanced Thermal Solutions ats maxiflow heat sinks	Datasheet	90In Stock	£16.37 £14.56 £13.87 £13.37 View £12.81 £12.14 £11.83	Min.: 1 Mult.: 1	Heat Sinks	BGA	Push Pin	Aluminum	Rectangular Fin	2.50 deg C/W	1.610" (40.89mm)	1.772" (45.00mm)	0.590" (15.00mm)	Top Mount
Heat Sinks PCIe Extrusion Profile, AL6063, 300mm Length, 95mm Width, 14mm Height ATS-EXL119-300-R0 Advanced Thermal Solutions 1: £69.26 21In Stock	Mfr. Part No. ATS-EXL119-300-R0 Mouser Part No 984-ATSEXL119-300R0	Advanced Thermal Solutions	Heat Sinks PCIe Extrusion Profile, AL6063, 300mm Length, 95mm Width, 14mm Height Learn More about Advanced Thermal Solutions ats pcie ats exl extrusions	Datasheet	21In Stock	£69.26 £62.24 £59.31 £57.21 View £54.82 Quote	Min.: 1 Mult.: 1	Extrusions	Electronic Cooling Applications	Adhesive	Aluminum	Rectangular Fin	14.7 C/W	11.81 in	3.74 in	0.55 in	Aluminum Extrusion
Heat Sinks maxiFLOW BGA Heat Sink+Plastic pushPIN, Cross-Cut, 40x38.1x10mm, 3.90C/W, Basic ATS-1038-C1-R0 Advanced Thermal Solutions 1: £14.19 50In Stock	Mfr. Part No. ATS-1038-C1-R0 Mouser Part No 984-ATS-1038-C1-R0	Advanced Thermal Solutions	Heat Sinks maxiFLOW BGA Heat Sink+Plastic pushPIN, Cross-Cut, 40x38.1x10mm, 3.90C/W, Basic Learn More about Advanced Thermal Solutions ats maxiflow heat sinks	Datasheet	50In Stock	£14.19 £12.82 £12.13 £11.56 View £11.08 £10.43 £10.16 £10.15 Quote	Min.: 1 Mult.: 1	Heat Sinks	BGA	Push Pin	Aluminum	Rectangular Fin	3.90 deg C/W	1.575" (40.00mm)	1.500" (38.10mm)	0.394" (10.00mm)	Top Mount
Heat Sinks maxiFLOW BGA Heat Sink+Plastic pushPIN, Cross-Cut, 40x38.1x10mm, 3.90C/W, Mid ATS-1038-C2-R0 Advanced Thermal Solutions 1: £13.73 3In Stock	Mfr. Part No. ATS-1038-C2-R0 Mouser Part No 984-ATS-1038-C2-R0	Advanced Thermal Solutions	Heat Sinks maxiFLOW BGA Heat Sink+Plastic pushPIN, Cross-Cut, 40x38.1x10mm, 3.90C/W, Mid Learn More about Advanced Thermal Solutions ats maxiflow heat sinks	Datasheet	3In Stock	£13.73 £12.20 £11.62 £10.96 View £10.57 £10.14 £9.90	Min.: 1 Mult.: 1	Heat Sinks	BGA	Push Pin	Aluminum	Rectangular Fin	3.90 deg C/W	1.575" (40.00mm)	1.500" (38.10mm)	0.394" (10.00mm)	Top Mount
Heat Sinks maxiFLOW BGA Heat Sink+Plastic pushPIN, Cross-Cut, 40.89x45x10mm, 3.90C/W@300LFM ATS-1041-C3-R0 Advanced Thermal Solutions 1: £14.09 28In Stock	Mfr. Part No. ATS-1041-C3-R0 Mouser Part No 984-ATS-1041-C3-R0	Advanced Thermal Solutions	Heat Sinks maxiFLOW BGA Heat Sink+Plastic pushPIN, Cross-Cut, 40.89x45x10mm, 3.90C/W@300LFM Learn More about Advanced Thermal Solutions ats maxiflow heat sinks	Datasheet	28In Stock	£14.09 £12.60 £12.39 £11.57 View £10.96 £10.46 £10.22 £10.21	Min.: 1 Mult.: 1	Heat Sinks	BGA	Push Pin	Aluminum	Rectangular Fin	3.90 deg C/W	1.610" (40.89mm)	1.772" (45.00mm)	0.394" (10.00mm)	Top Mount
Heat Sinks maxiFLOW BGA Heat Sink+Plastic pushPIN, Cross-Cut, 40.89x45x25mm, 1.60C/W, Basic ATS-1043-C1-R0 Advanced Thermal Solutions 1: £20.40 26In Stock	Mfr. Part No. ATS-1043-C1-R0 Mouser Part No 984-ATS-1043-C1-R0	Advanced Thermal Solutions	Heat Sinks maxiFLOW BGA Heat Sink+Plastic pushPIN, Cross-Cut, 40.89x45x25mm, 1.60C/W, Basic Learn More about Advanced Thermal Solutions ats maxiflow heat sinks	Datasheet	26In Stock	£20.40 £18.25 £17.29 £16.57 View £15.96 £15.22 £14.81	Min.: 1 Mult.: 1	Heat Sinks	BGA	Push Pin	Aluminum	Rectangular Fin	1.60 deg C/W	1.610" (40.89mm)	1.772" (45.00mm)	0.984" (25.00mm)	Top Mount
Heat Sinks Extrusion Profile, AL6063, 254mm Length, 100mm Width, 10mm Height, 40 Fin ATS-EXL1-254-R0 Advanced Thermal Solutions 1: £20.85 11In Stock 42Expected 01/01/2027	Mfr. Part No. ATS-EXL1-254-R0 Mouser Part No 984-ATS-EXL1-254-R0	Advanced Thermal Solutions	Heat Sinks Extrusion Profile, AL6063, 254mm Length, 100mm Width, 10mm Height, 40 Fin Learn More about Advanced Thermal Solutions advancedthermalsoltions ats exl	Datasheet	11In Stock 42Expected 01/01/2027	£20.85 £19.13 £18.05 £17.32 View £17.00 £16.33 £16.21 Quote	Min.: 1 Mult.: 1	Extrusions	Electronic Cooling Applications	Adhesive	Aluminum	Rectangular Fin	15 C/W	254 mm	100.76 mm	10 mm	Aluminum Extrusion
Heat Sinks Extrusion Profile, AL6063, 300mm Length, 40mm Width, 30mm Height ATS-EXL113-300-R0 Advanced Thermal Solutions 1: £26.51 1In Stock	Mfr. Part No. ATS-EXL113-300-R0 Mouser Part No 984-ATS-EXL113300R0	Advanced Thermal Solutions	Heat Sinks Extrusion Profile, AL6063, 300mm Length, 40mm Width, 30mm Height Learn More about Advanced Thermal Solutions advancedthermalsoltions ats exl	Datasheet	1In Stock	£26.51 £23.62 £22.50 £21.69 View £20.79 £19.90 £19.87	Min.: 1 Mult.: 1	Extrusions	Electronic Cooling Applications	Adhesive	Aluminum	Rectangular Fin	10 C/W	11.81 in	1.57 in	1.18 in	Aluminum Extrusion
Heat Sinks Extrusion Profile, AL6063, 254mm Length, 100mm Width, 20mm Height ATS-EXL2-254-R0 Advanced Thermal Solutions 1: £33.28 15In Stock	Mfr. Part No. ATS-EXL2-254-R0 Mouser Part No 984-ATS-EXL2-254-R0	Advanced Thermal Solutions	Heat Sinks Extrusion Profile, AL6063, 254mm Length, 100mm Width, 20mm Height Learn More about Advanced Thermal Solutions advancedthermalsoltions ats exl	Datasheet	15In Stock	£33.28 £30.70 £29.25 £28.19 View £26.95 Quote	Min.: 1 Mult.: 1	Extrusions	Electronic Cooling Applications	Adhesive	Aluminum	Rectangular Fin	10 C/W	254 mm	100.76 mm	20 mm	Aluminum Extrusion
Heat Sinks Extrusion Profile, AL6063, 300mm Length, 6mm Width, 8mm Height ATS-EXL58-300-R0 Advanced Thermal Solutions 1: £8.93 10In Stock	Mfr. Part No. ATS-EXL58-300-R0 Mouser Part No 984-ATS-EXL58-300-R0	Advanced Thermal Solutions	Heat Sinks Extrusion Profile, AL6063, 300mm Length, 6mm Width, 8mm Height Learn More about Advanced Thermal Solutions advancedthermalsoltions ats exl	Datasheet	10In Stock	£8.93 £8.14 £7.75 £7.34 View £7.11 £6.84 £6.61 £6.36	Min.: 1 Mult.: 1	Extrusions	Electronic Cooling Applications	Adhesive	Aluminum	Rectangular Fin	65 C/W	11.81 in	0.24 in	0.31 in	Aluminum Extrusion
Heat Sinks Extrusion Profile, AL6063, 300mm Length, 14mm Width, 16mm Height ATS-EXL59-300-R0 Advanced Thermal Solutions 1: £11.84 21In Stock	Mfr. Part No. ATS-EXL59-300-R0 Mouser Part No 984-ATS-EXL59-300-R0	Advanced Thermal Solutions	Heat Sinks Extrusion Profile, AL6063, 300mm Length, 14mm Width, 16mm Height Learn More about Advanced Thermal Solutions advancedthermalsoltions ats exl	Datasheet	21In Stock	£11.84 £11.07 £10.36 £10.15 View £9.68 £9.22 £8.88 £8.85	Min.: 1 Mult.: 1	Extrusions	Electronic Cooling Applications	Adhesive	Aluminum	Rectangular Fin	38 C/W	11.81 in	0.55 in	0.63 in	Aluminum Extrusion
Heat Sinks Extrusion Profile, AL6063, 300mm Length, 15mm Width, 6mm Height ATS-EXL61-300-R0 Advanced Thermal Solutions 1: £9.72 9In Stock	Mfr. Part No. ATS-EXL61-300-R0 Mouser Part No 984-ATS-EXL61-300-R0	Advanced Thermal Solutions	Heat Sinks Extrusion Profile, AL6063, 300mm Length, 15mm Width, 6mm Height Learn More about Advanced Thermal Solutions advancedthermalsoltions ats exl	Datasheet	9In Stock	£9.72 £9.05 £8.42 £8.08 View £7.76 £7.43 £7.18 £7.01 Quote	Min.: 1 Mult.: 1	Extrusions	Electronic Cooling Applications	Adhesive	Aluminum	Rectangular Fin	57 C/W	11.81 in	0.59 in	0.24 in	Aluminum Extrusion