.hide-partial { max-height: none; } .show-more { display: none; }

Rectangular Fin Heat Sinks

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Results: 1,418

Applied Filters:

Fin Style = Rectangular Fin

Manufacturer

Product

Designed for

Mounting Style

Heatsink Material

Thermal Resistance

Length

Width

Height

Type

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

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 Heat Sink for DC/DC Converters, Full Brick, 116.8x61x35.6mm, Horizontal, 6 Fins 557-140AB Wakefield Thermal 1: £7.29 212In Stock	Mfr. Part No. 557-140AB Mouser Part No 567-557-140AB	Wakefield Thermal	Heat Sinks Heat Sink for DC/DC Converters, Full Brick, 116.8x61x35.6mm, Horizontal, 6 Fins Learn More about Wakefield Thermal wakefield vette brick heatsinks	Datasheet	212In Stock	£7.29 £7.25 £5.26 £5.05 £5.04	Min.: 1 Mult.: 1	Heat Sinks	DC/DC Converter, Full Brick	Screw	Aluminum	Rectangular Fin	1.3 C/W	116.8 mm	61 mm	35.6 mm	DC/DC Converter
Heat Sinks Heat Sink for DC/DC Converters, Full Brick, 61x116.8x12.7mm, Vertical, 27 Fins 559-50AB Wakefield Thermal 1: £8.72 119In Stock 256Expected 22/02/2027	Mfr. Part No. 559-50AB Mouser Part No 567-559-50AB	Wakefield Thermal	Heat Sinks Heat Sink for DC/DC Converters, Full Brick, 61x116.8x12.7mm, Vertical, 27 Fins Learn More about Wakefield Thermal wakefield vette brick heatsinks	Datasheet	119In Stock 256Expected 22/02/2027	£8.72 £8.48 £7.31 Quote Quote	Min.: 1 Mult.: 1	Heat Sinks	DC/DC Converter, Full Brick	Screw	Aluminum	Rectangular Fin	2.2 C/W	61 mm	116.8 mm	12.7 mm	DC/DC Converter
Heat Sinks Heat Sink for DC/DC Converters, Eighth Brick, 55x20.7x6.1mm, 6 Fins 567-24AB Wakefield Thermal 1: £3.01 479In Stock	Mfr. Part No. 567-24AB Mouser Part No 567-567-24AB	Wakefield Thermal	Heat Sinks Heat Sink for DC/DC Converters, Eighth Brick, 55x20.7x6.1mm, 6 Fins Learn More about Wakefield Thermal wakefield vette brick heatsinks	Datasheet	479In Stock	£3.01 £2.79 £2.72 £2.58 View £2.42 £2.27 £2.18 £2.15 £2.13	Min.: 1 Mult.: 1	Heat Sinks	DC/DC Converter, 1/8 Brick	Panel	Aluminum	Rectangular Fin	7.2 C/W	55 mm	20.7 mm	6.1 mm	DC/DC Converter
Heat Sinks Natural Convection Heat Sink for Metal-Case Semis for TO3, 25.4mm H 641A Wakefield Thermal 1: £11.24 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	£11.24 £10.01 £9.45 £9.10 View £8.76 £8.40 £8.12 £7.82	Min.: 1 Mult.: 1	Heat Sinks	TO-3	Through Hole	Aluminum	Rectangular Fin	2.4 C/W	76.2 mm	104.77 mm	25.4 mm	Component
Heat Sinks Natural Convection Heat Sink for Metal-Case Semis, No Hole Pattern, 25.4mm H 641K Wakefield Thermal 1: £12.19 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	£12.19 £10.79 £10.18 £9.61 View £9.16 £8.66 £8.43	Min.: 1 Mult.: 1	Heat Sinks	TO-3	Press Fit	Aluminum	Rectangular Fin	2.4 C/W	76.2 mm	104.77 mm	25.4 mm	Component
Heat Sinks Labor-Saving SpeedClips Heat Sink, Vertical Mount, TO-220, Plain Pin, 50.8mm 667-20ABPPE Wakefield Thermal 1: £2.30 329In Stock	Mfr. Part No. 667-20ABPPE Mouser Part No 567-6567-67-20ABPPE	Wakefield Thermal	Heat Sinks Labor-Saving SpeedClips Heat Sink, Vertical Mount, TO-220, Plain Pin, 50.8mm	Datasheet	329In Stock	£2.30 £2.03 £1.94 £1.87 View £1.82 £1.71 £1.64 £1.62	Min.: 1 Mult.: 1	Heat Sinks	TO-220	Through Hole	Aluminum	Rectangular Fin	4.7 C/W	34.9 mm	12.7 mm	50.8 mm	Component
Heat Sinks Labor-Saving SpeedClips Heat Sink, Vertical Mount, TO-220, Plain Pin, 25.4mm 667-10ABPPE Wakefield Thermal 1: £1.96 169In Stock	Mfr. Part No. 667-10ABPPE Mouser Part No 567-667-10ABPPE	Wakefield Thermal	Heat Sinks Labor-Saving SpeedClips Heat Sink, Vertical Mount, TO-220, Plain Pin, 25.4mm	Datasheet	169In Stock	£1.96 £1.75 £1.71 £1.65 View £1.55 £1.48 £1.40 £1.34 £1.29	Min.: 1 Mult.: 1	Heat Sinks	TO-220	Through Hole	Aluminum	Rectangular Fin	5.8 C/W	34.9 mm	12.7 mm	25.4 mm	Component
Heat Sinks Low Profile Heat Sink, 76.2x35.1x127mm, 4 Mounting Holes Wakefield Thermal 396-1AB 396-1AB Wakefield Thermal 1: £34.46 36In Stock	Mfr. Part No. 396-1AB Mouser Part No 567-396-1AB	Wakefield Thermal	Heat Sinks Low Profile Heat Sink, 76.2x35.1x127mm, 4 Mounting Holes	Datasheet	36In Stock	£34.46 £30.49 £29.04 £27.99 View £26.97 £25.68	Min.: 1 Mult.: 1	Heat Sinks	Power Modules, IGBTs	Bolt On	Aluminum	Rectangular Fin	1.8 C/W	76.2 mm	127 mm	35.1 mm
Heat Sinks Low Profile Heat Sink, 139.7x35.1x127mm, 6 Mounting Holes Wakefield Thermal 396-2AB 396-2AB Wakefield Thermal 1: £37.17 22In Stock	Mfr. Part No. 396-2AB Mouser Part No 567-396-2AB	Wakefield Thermal	Heat Sinks Low Profile Heat Sink, 139.7x35.1x127mm, 6 Mounting Holes	Datasheet	22In Stock	£37.17 £33.08 £31.51 £30.21 View £29.26 £27.87	Min.: 1 Mult.: 1	Heat Sinks	Power Modules, IGBTs	Bolt On	Aluminum	Rectangular Fin	1.5 C/W	139.7 mm	127 mm	35.1 mm
Heat Sinks High Fin Density Heat Sink, IGBTs, Relays, Non-Mill, 132.33x76.2mm Wakefield Thermal 511-3U 511-3U Wakefield Thermal 1: £35.00 8In Stock	Mfr. Part No. 511-3U Mouser Part No 567-511-3U	Wakefield Thermal	Heat Sinks High Fin Density Heat Sink, IGBTs, Relays, Non-Mill, 132.33x76.2mm	Datasheet	8In Stock	£35.00 £32.01 £30.31 £24.59	Min.: 1 Mult.: 1	Heat Sinks	Power Modules, IGBTs, Relays	Adhesive	Aluminum	Rectangular Fin	0.9 C/W	76.2 mm	132.33 mm	61.21 mm	Top Mount
Heat Sinks High Fin Density Heat Sink, IGBTs, Relays, Mill, 132.33x152.4mm Wakefield Thermal 511-6M 511-6M Wakefield Thermal 1: £55.13 18In Stock	Mfr. Part No. 511-6M Mouser Part No 567-511-6M	Wakefield Thermal	Heat Sinks High Fin Density Heat Sink, IGBTs, Relays, Mill, 132.33x152.4mm	Datasheet	18In Stock	£55.13 £51.33 £48.92 £47.15 View £45.13 Quote	Min.: 1 Mult.: 1	Heat Sinks	Power Modules, IGBTs, Relays	Adhesive	Aluminum	Rectangular Fin	0.65 C/W	152.4 mm	132.33 mm	59.69 mm	Top Mount
Heat Sinks High Fin Density Heat Sink, IGBTs, Relays, Non-Mill, 132.33x228.6mm Wakefield Thermal 511-9U 511-9U Wakefield Thermal 1: £49.46 15In Stock	Mfr. Part No. 511-9U Mouser Part No 567-511-9U	Wakefield Thermal	Heat Sinks High Fin Density Heat Sink, IGBTs, Relays, Non-Mill, 132.33x228.6mm	Datasheet	15In Stock	£49.46 £44.55	Min.: 1 Mult.: 1	Heat Sinks	Power Modules, IGBTs, Relays	Adhesive	Aluminum	Rectangular Fin	0.56 C/W	228.6 mm	132.33 mm	61.21 mm	Top Mount
Heat Sinks Low Profile Heat Sink, 76.2x63.5x127mm, 4 Mounting Holes Wakefield Thermal 395-1AB 395-1AB Wakefield Thermal 1: £32.89 1In Stock	Mfr. Part No. 395-1AB Mouser Part No 567-395-1AB	Wakefield Thermal	Heat Sinks Low Profile Heat Sink, 76.2x63.5x127mm, 4 Mounting Holes	Datasheet	1In Stock	£32.89 £29.49 £27.86 £26.55 View £26.31 £25.33 Quote	Min.: 1 Mult.: 1	Heat Sinks	Power Modules, IGBTs	Bolt On	Aluminum	Rectangular Fin	1.1 C/W	76.2 mm	127 mm	63.5 mm
Heat Sinks Extrusion Profile, AL6063, 300mm Length, 25mm Width, 35mm Height ATS-EXL63-300-R0 Advanced Thermal Solutions 1: £17.86 10Expected 06/11/2026	Mfr. Part No. ATS-EXL63-300-R0 Mouser Part No 984-ATS-EXL63-300-R0	Advanced Thermal Solutions	Heat Sinks Extrusion Profile, AL6063, 300mm Length, 25mm Width, 35mm Height Learn More about Advanced Thermal Solutions advancedthermalsoltions ats exl	Datasheet	10Expected 06/11/2026	£17.86 £16.91 £16.35 £14.74 View £14.16 £13.90 Quote	Min.: 1 Mult.: 1	Extrusions	Electronic Cooling Applications	Adhesive	Aluminum	Rectangular Fin	13 C/W	11.81 in	0.98 in	1.38 in	Aluminum Extrusion
Heat Sinks Extrusion Profile, AL6063, 300mm Length, 25mm Width, 25mm Height ATS-EXL65-300-R0 Advanced Thermal Solutions 1: £20.31 9Expected 01/01/2027	Mfr. Part No. ATS-EXL65-300-R0 Mouser Part No 984-ATS-EXL65-300-R0	Advanced Thermal Solutions	Heat Sinks Extrusion Profile, AL6063, 300mm Length, 25mm Width, 25mm Height Learn More about Advanced Thermal Solutions advancedthermalsoltions ats exl	Datasheet	9Expected 01/01/2027	£20.31 £18.37 £17.69 £16.97 View £16.20 £15.64 £15.08	Min.: 1 Mult.: 1	Extrusions	Electronic Cooling Applications	Adhesive	Aluminum	Rectangular Fin	11.7 C/W	300 mm	41 mm	25 mm	Aluminum Extrusion
Heat Sinks Extrusion Profile, AL6063, 300mm Length, 100mm Width, 34.5mm Height ATS-EXL99-300-R0 Advanced Thermal Solutions 1: £37.99 13Expected 01/01/2027	Mfr. Part No. ATS-EXL99-300-R0 Mouser Part No 984-ATS-EXL99-300-R0	Advanced Thermal Solutions	Heat Sinks Extrusion Profile, AL6063, 300mm Length, 100mm Width, 34.5mm Height Learn More about Advanced Thermal Solutions advancedthermalsoltions ats exl	Datasheet	13Expected 01/01/2027	£37.99 £35.27 £33.30 £32.68 View £32.35 £32.34 Quote	Min.: 1 Mult.: 1	Extrusions	Electronic Cooling Applications	Adhesive	Aluminum	Rectangular Fin	4.34 C/W	11.81 in	3.94 in	1.36 in	Aluminum Extrusion
Heat Sinks Extrusion Profile, AL6063, 300mm Length, 179mm Width, 27mm Height ATS-EXL103-300-R0 Advanced Thermal Solutions 1: £51.65 10Expected 13/11/2026	Mfr. Part No. ATS-EXL103-300-R0 Mouser Part No 984-ATSEXL103-300-R0	Advanced Thermal Solutions	Heat Sinks Extrusion Profile, AL6063, 300mm Length, 179mm Width, 27mm Height Learn More about Advanced Thermal Solutions advancedthermalsoltions ats exl	Datasheet	10Expected 13/11/2026	£51.65 £46.15 £43.74 £42.30 View £40.90 £40.76 Quote	Min.: 1 Mult.: 1	Extrusions	Electronic Cooling Applications	Adhesive	Aluminum	Rectangular Fin	4.61 C/W	11.81 in	7.05 in	1.06 in	Aluminum Extrusion
Heat Sinks Extrusion Profile, AL6063, 300mm Length, 108mm Width, 34.3mm Height ATS-EXL104-300-R0 Advanced Thermal Solutions 1: £50.23 3On Order	Mfr. Part No. ATS-EXL104-300-R0 Mouser Part No 984-ATSEXL104-300-R0	Advanced Thermal Solutions	Heat Sinks Extrusion Profile, AL6063, 300mm Length, 108mm Width, 34.3mm Height Learn More about Advanced Thermal Solutions advancedthermalsoltions ats exl	Datasheet	3On Order	£50.23 £44.53 £42.41 £40.87 £39.39	Min.: 1 Mult.: 1	Extrusions	Electronic Cooling Applications	Adhesive	Aluminum	Rectangular Fin	5.09 C/W	300 mm	107.82 mm	34.29 mm	Aluminum Extrusion
Heat Sinks pushPIN Heat Sink, Fine, Straight, 4-Hole, T766, 36.83x57.6x11.43mm, 14.82C/W ATS-FPS037058011-36-C2-R0 Advanced Thermal Solutions 1: £4.70 25Expected 20/11/2026 New At Mouser	Mfr. Part No. ATS-FPS037058011-36-C2-R0 Mouser Part No 984-S03705801136C2R0 New At Mouser	Advanced Thermal Solutions	Heat Sinks pushPIN Heat Sink, Fine, Straight, 4-Hole, T766, 36.83x57.6x11.43mm, 14.82C/W	Datasheet	25Expected 20/11/2026	£4.70 £4.19 £3.99 £3.84 View £3.70 £3.53 £3.40 £3.27	Min.: 1 Mult.: 1			Push Pin		Rectangular Fin	14.82 deg C/W	1.450" (36.83mm)	2.267" (57.60mm)	0.450" (11.43mm)	Top Mount
Heat Sinks Heatsink for TER 75, TER 100 & TER 150 TRACO Power T4B-HS10 T4B-HS10 TRACO Power 1: £7.22 50Expected 13/11/2026 New Product	Mfr. Part No. T4B-HS10 Mouser Part No 495-T4B-HS10 New Product	TRACO Power	Heat Sinks Heatsink for TER 75, TER 100 & TER 150	Datasheet	50Expected 13/11/2026	£7.22 £6.70 £6.59 £6.39 £5.84	Min.: 1 Mult.: 1	Heat Sinks	TER 75WIR, TER 100WIR, TER 150WIR	Screw	Aluminum	Rectangular Fin		57.9 mm	36.8 mm	16.5 mm	Heat Sink
Heat Sinks Horizontal and Vertical Mount Heat Sink for TO-220, Aluminum, 19.1x12.78x13.4mm 262-75ABE-05 Wakefield Thermal 1: £0.685 3,134Expected 28/10/2026	Mfr. Part No. 262-75ABE-05 Mouser Part No 567-262-75ABE-05	Wakefield Thermal	Heat Sinks Horizontal and Vertical Mount Heat Sink for TO-220, Aluminum, 19.1x12.78x13.4mm	Datasheet	3,134Expected 28/10/2026	£0.685 £0.605 £0.577 £0.559 View £0.536 £0.51 £0.491 £0.474 £0.469	Min.: 1 Mult.: 1	Heat Sinks	TO-220	Through Hole	Aluminum	Rectangular Fin	26.7 C/W	19.1 mm	14.47 mm	12.7 mm	Component
Heat Sinks Heat Sink for DC/DC Converter, Quarter, 57.9x36.8x24.1mm, Horizontal, 8 Fins 537-95AB Wakefield Thermal 1: £4.39 636Expected 10/11/2026	Mfr. Part No. 537-95AB Mouser Part No 567-537-95AB	Wakefield Thermal	Heat Sinks Heat Sink for DC/DC Converter, Quarter, 57.9x36.8x24.1mm, Horizontal, 8 Fins Learn More about Wakefield Thermal wakefield vette brick heatsinks	Datasheet	636Expected 10/11/2026	£4.39 £3.97 £3.84 £3.63 View £3.40 £3.22 £3.09 £3.08	Min.: 1 Mult.: 1	Heat Sinks	DC/DC Converter, 1/4 Brick	Screw	Aluminum	Rectangular Fin	2.1 C/W	57.9 mm	36.38 mm	24.13 mm	DC/DC Converter
Heat Sinks Unidirectional Fin, Vertical Mount Heat Sink for TO220, TO218, Plain Pin, 38.1mm 634-15ABPE Wakefield Thermal 1: £4.15 4,334On Order	Mfr. Part No. 634-15ABPE Mouser Part No 567-634-15ABPE	Wakefield Thermal	Heat Sinks Unidirectional Fin, Vertical Mount Heat Sink for TO220, TO218, Plain Pin, 38.1mm	Datasheet	4,334On Order On Order Ship Dates Mfr. No: 634-15ABPE Stock: 0 On Order: 1,934 Expected 10/12/2026 2,400 Expected 25/01/2027 Factory Lead Time: 16 Weeks	£4.15 £3.83 £3.64 £3.51 View £3.39 £3.17 £2.98 £2.90	Min.: 1 Mult.: 1	Heat Sinks	TO-218, TO-220	Through Hole	Aluminum	Rectangular Fin		38.1 mm	16.26 mm	16.26 mm	Component
Heat Sinks Unidirectional Fin, Vertical Mount Heat Sink for TO220, TO218, Plain Pin, 50.8mm 634-20ABPE Wakefield Thermal 1: £1.84 1,512On Order	Mfr. Part No. 634-20ABPE Mouser Part No 567-634-20ABPE	Wakefield Thermal	Heat Sinks Unidirectional Fin, Vertical Mount Heat Sink for TO220, TO218, Plain Pin, 50.8mm	Datasheet	1,512On Order On Order Ship Dates Mfr. No: 634-20ABPE Stock: 0 On Order: 312 Expected 13/01/2027 1,200 Expected 15/02/2027 Factory Lead Time: 16 Weeks	£1.84 £1.67 £1.62 £1.53 View £1.45 £1.38 £1.32 £1.27 £1.16	Min.: 1 Mult.: 1	Heat Sinks	TO-218, TO-220	Through Hole	Aluminum	Rectangular Fin		50.8 mm	16.26 mm	16.26 mm	Component
Heat Sinks High Efficiency Heat Sink For Vertical Board Mounting for TO-220, 50.8mm Height 637-20ABPE Wakefield Thermal 1: £3.26 1,393On Order	Mfr. Part No. 637-20ABPE Mouser Part No 567-637-20ABPE	Wakefield Thermal	Heat Sinks High Efficiency Heat Sink For Vertical Board Mounting for TO-220, 50.8mm Height	Datasheet	1,393On Order On Order Ship Dates Mfr. No: 637-20ABPE Stock: 0 On Order: 693 Expected 07/12/2026 700 Expected 22/12/2026 Factory Lead Time: 16 Weeks	£3.26 £2.92 £2.79 £2.69 View £2.59 £2.43 £2.33 £2.32 £2.28	Min.: 1 Mult.: 1	Heat Sinks	TO-220	Through Hole	Aluminum	Rectangular Fin	4.7 C/W	50.8 mm	34.93 mm	12.7 mm	Component