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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 Extrusion Cut to Length, 12", High Aspect Ratio, Heat Sink 19584, 12x11x1.375" 122261 Wakefield Thermal 1: £157.08 1In Stock	Mfr. Part No. 122261 Mouser Part No 567-122261	Wakefield Thermal	Heat Sinks Extrusion Cut to Length, 12", High Aspect Ratio, Heat Sink 19584, 12x11x1.375" Learn More about Wakefield Thermal wakefield extrusions	Datasheet	1In Stock	£157.08 £136.88 £136.87 £135.47 View Quote	Min.: 1 Mult.: 1	Extrusions	Power Modules, IGBTs		Aluminum	Rectangular Fin		12 in	11 in	1.375 in
Heat Sinks Low Profile Heat Sink, 76.2x38.1x127mm, 4 Mounting Holes 394-1AB Wakefield Thermal 1: £33.44 42In Stock	Mfr. Part No. 394-1AB Mouser Part No 567-394-1AB	Wakefield Thermal	Heat Sinks Low Profile Heat Sink, 76.2x38.1x127mm, 4 Mounting Holes	Datasheet	42In Stock	£33.44 £30.05 £28.62 £27.16 View £26.17 £25.31	Min.: 1 Mult.: 1	Heat Sinks	Power Modules, IGBTs	Bolt On	Aluminum	Rectangular Fin	1.8 C/W	76.2 mm	127 mm	38.1 mm	Top Mount
Heat Sinks Low Profile Heat Sink, 139.7x63.5x127mm, 6 Mounting Holes 395-2AB Wakefield Thermal 1: £45.96 18In Stock 50Expected 11/11/2026	Mfr. Part No. 395-2AB Mouser Part No 567-395-2AB	Wakefield Thermal	Heat Sinks Low Profile Heat Sink, 139.7x63.5x127mm, 6 Mounting Holes	Datasheet	18In Stock 50Expected 11/11/2026	£45.96 £42.63 £35.79 £34.50 View £33.25 £31.66	Min.: 1 Mult.: 1	Heat Sinks	Power Modules, IGBTs	Bolt On	Aluminum	Rectangular Fin	0.9 C/W	139.7 mm	127 mm	63.5 mm
Heat Sinks High Fin Density Heat Sink for Power Modules, IGBTs, Relays, Mill, 132.33x76.2mm 511-3M Wakefield Thermal 1: £32.09 10In Stock	Mfr. Part No. 511-3M Mouser Part No 567-511-3M	Wakefield Thermal	Heat Sinks High Fin Density Heat Sink for Power Modules, IGBTs, Relays, Mill, 132.33x76.2mm	Datasheet	10In Stock	£32.09 £29.66 £28.26 £27.74 View £26.90 £26.05 Quote	Min.: 1 Mult.: 1	Heat Sinks	Power Modules, IGBTs, Relays	Adhesive	Aluminum	Rectangular Fin	0.9 C/W	76.2 mm	132.33 mm	59.69 mm	Top Mount
Heat Sinks High Fin Density Heat Sink, IGBTs, Relays, Non-Mill, 182.88x304.8mm 512-12U Wakefield Thermal 1: £88.57 14In Stock	Mfr. Part No. 512-12U Mouser Part No 567-512-12U	Wakefield Thermal	Heat Sinks High Fin Density Heat Sink, IGBTs, Relays, Non-Mill, 182.88x304.8mm	Datasheet	14In Stock	£88.57 £79.23 £75.46 £69.17 View £63.41 Quote	Min.: 1 Mult.: 1	Heat Sinks	Power Modules, IGBTs, Relays	Adhesive	Aluminum	Rectangular Fin	0.45 C/W	304.8 mm	182.88 mm	61.21 mm	Top Mount
Heat Sinks High Fin Density Heat Sink, IGBTs, Relays, Non-Mill, 182.88x152.4mm 512-6U Wakefield Thermal 1: £39.90 3In Stock	Mfr. Part No. 512-6U Mouser Part No 567-512-6U	Wakefield Thermal	Heat Sinks High Fin Density Heat Sink, IGBTs, Relays, Non-Mill, 182.88x152.4mm	Datasheet	3In Stock	£39.90 £37.09 £34.52 £32.53 View £31.48 Quote	Min.: 1 Mult.: 1	Heat Sinks	Power Modules, IGBTs	Adhesive	Aluminum	Rectangular Fin	0.65 C/W	152.4 mm	182.88 mm	61.21 mm	Top Mount
Heat Sinks DIM=1.31x.90x 0.75 LAE66A3CB CTS Electronic Components 1: £2.50 153In Stock	Mfr. Part No. LAE66A3CB Mouser Part No 774-LAE66A3CB	CTS Electronic Components	Heat Sinks DIM=1.31x.90x 0.75		153In Stock	£2.50 £2.22 £2.11 £2.03 View £1.96 £1.86 £1.80 £1.73 £1.69	Min.: 1 Mult.: 1	Heat Sinks	TO-126, TO-127, TO-220	Screw	Aluminum	Rectangular Fin	20 C/W	33.27 mm	19.05 mm	22.86 mm	Component
Heat Sinks Heat Sink for Vertical Mount for TO220/TO247/TO218/15-LEAD MULTIWATT, 50.8mm H Wakefield Thermal 677-20ABPE 677-20ABPE Wakefield Thermal 1: £3.32 796In Stock	Mfr. Part No. 677-20ABPE Mouser Part No 567-677-20ABPE	Wakefield Thermal	Heat Sinks Heat Sink for Vertical Mount for TO220/TO247/TO218/15-LEAD MULTIWATT, 50.8mm H	Datasheet	796In Stock	£3.32 £2.94 £2.87 £2.71 View £2.55 £2.47 £2.38	Min.: 1 Mult.: 1	Heat Sinks	TO-218, TO-220, TO-247 15 Pin Multiwatt	Through Hole	Aluminum	Rectangular Fin		50.8 mm	41.91 mm	25.4 mm	Component
Heat Sinks Heat Sink for D2PAK, TO-220, SOT-223, SOL-20, 15.2x18.8x9.1mm, Bulk 217-36CTE6 Wakefield Thermal 1: £0.491 3,259In Stock	Mfr. Part No. 217-36CTE6 Mouser Part No 567-217-36CTE6	Wakefield Thermal	Heat Sinks Heat Sink for D2PAK, TO-220, SOT-223, SOL-20, 15.2x18.8x9.1mm, Bulk	Datasheet	3,259In Stock	£0.491 £0.443 £0.422 £0.409 View £0.394 £0.375 £0.354 £0.341 £0.314	Min.: 1 Mult.: 1	Heat Sinks	D2PAK , TO-220, SOT-223, SOL-20	SMD/SMT	Copper	Rectangular Fin	55 C/W	18.8 mm	15.2 mm	9.1 mm	Component
Heat Sinks Heat Sink for D2PAK, TO-220, SOT-223, SOL-20, 15.2x18.8x9.1mm, Tape & Reel 250 217-36CTRE6 Wakefield Thermal 1: £111.38 5In Stock	Mfr. Part No. 217-36CTRE6 Mouser Part No 567-217-36CTRE6	Wakefield Thermal	Heat Sinks Heat Sink for D2PAK, TO-220, SOT-223, SOL-20, 15.2x18.8x9.1mm, Tape & Reel 250	Datasheet	5In Stock	Cut Tape £111.38 £103.69 £99.85 £97.19 Reel £97.19 MouseReel Available	Min.: 1 Mult.: 1 : 250	Heat Sinks	D2PAK (TO-263), TO-220, SOT-223, SOL-20	SMD/SMT	Copper	Rectangular Fin	55 C/W	18.8 mm	15.24 mm	9.14 mm	Component
Heat Sinks Labor-Saving Twisted Fin Heat Sink for TO220, 25.4x12.7x30.0mm, Vertical, 22 Tab 240-118ABEH-22 Wakefield Thermal 1: £0.925 2,008In Stock	Mfr. Part No. 240-118ABEH-22 Mouser Part No 567-240-118ABH-22	Wakefield Thermal	Heat Sinks Labor-Saving Twisted Fin Heat Sink for TO220, 25.4x12.7x30.0mm, Vertical, 22 Tab	Datasheet	2,008In Stock	£0.925 £0.807 £0.768 £0.74 View £0.714 £0.68 £0.655 £0.631 £0.539	Min.: 1 Mult.: 1	Heat Sinks	TO-220	Clip	Aluminum	Rectangular Fin	13.8 C/W	29.97 mm	25.4 mm	12.7 mm	Component
Heat Sinks Vertical Mount Heat Sink for Power Semi TO-220/TO-262, Aluminum, Solderable Tab 262-75ABE375 Wakefield Thermal 1: £0.668 376In Stock	Mfr. Part No. 262-75ABE375 Mouser Part No 567-262-75ABE375	Wakefield Thermal	Heat Sinks Vertical Mount Heat Sink for Power Semi TO-220/TO-262, Aluminum, Solderable Tab	Datasheet	376In Stock	£0.668 £0.585 £0.559 £0.544 View £0.518 £0.492 £0.475 £0.449 £0.427	Min.: 1 Mult.: 1	Heat Sinks	TO-220	Through Hole	Aluminum	Rectangular Fin					Component
Heat Sinks Vertical Mount Heat Sink for TO-220, 25.4x12.7x30mm, Aluminum, Black Anodized 265-118ABHE-22 Wakefield Thermal 1: £1.17 1,259In Stock	Mfr. Part No. 265-118ABHE-22 Mouser Part No 567-265-118ABHE-22	Wakefield Thermal	Heat Sinks Vertical Mount Heat Sink for TO-220, 25.4x12.7x30mm, Aluminum, Black Anodized	Datasheet	1,259In Stock	£1.17 £0.784	Min.: 1 Mult.: 1	Heat Sinks	TO-220	Through Hole	Aluminum	Rectangular Fin	14 C/W	29.97 mm	25.4 mm	12.7 mm	Component
Heat Sinks Small Footprint, Low Cost Heat Sink for TO-220, TO-202, 44.5x17.8x9.4mm 270-AB Wakefield Thermal 1: £0.50 3,141In Stock	Mfr. Part No. 270-AB Mouser Part No 567-270-AB	Wakefield Thermal	Heat Sinks Small Footprint, Low Cost Heat Sink for TO-220, TO-202, 44.5x17.8x9.4mm	Datasheet	3,141In Stock	£0.50 £0.44 £0.418 £0.408 View £0.394 £0.375 £0.353 £0.339 £0.30	Min.: 1 Mult.: 1	Heat Sinks	TO-202, TO-220	Through Hole	Aluminum	Rectangular Fin	17.5 C/W	17.78 mm	44.45 mm	9.52 mm	Component
Heat Sinks Top-Mount, Booster Heat Sink for Use with 270/271/272/280, 44.5x17.8x12.7mm 271-AB Wakefield Thermal 1: £0.483 2,913In Stock	Mfr. Part No. 271-AB Mouser Part No 567-271-AB	Wakefield Thermal	Heat Sinks Top-Mount, Booster Heat Sink for Use with 270/271/272/280, 44.5x17.8x12.7mm	Datasheet	2,913In Stock	£0.483 £0.426 £0.405 £0.394 View £0.379 £0.361 £0.341 £0.328 £0.299	Min.: 1 Mult.: 1	Heat Sinks	TO-220	Through Hole	Aluminum	Rectangular Fin	15.5 C/W	17.78 mm	44.45 mm	12.7 mm	Component
Heat Sinks Small Footprint, Low Cost Heat Sink for TO-220, TO-202, 44.5x36.8x9.4mm 272-AB Wakefield Thermal 1: £0.694 1,837In Stock	Mfr. Part No. 272-AB Mouser Part No 567-272-AB	Wakefield Thermal	Heat Sinks Small Footprint, Low Cost Heat Sink for TO-220, TO-202, 44.5x36.8x9.4mm	Datasheet	1,837In Stock	£0.694 £0.61 £0.582 £0.56 View £0.541 £0.516 £0.496 £0.471 £0.439	Min.: 1 Mult.: 1	Heat Sinks	TO-220	Through Hole	Aluminum	Rectangular Fin	10.5 C/W	36.83 mm	44.45 mm	9.52 mm	Component
Heat Sinks Wave-Solderable Heat Sink, TO218/TO220, 19.1x9.5mm, Vertical/Horizontal, No Tab 273-AB Wakefield Thermal 1: £0.483 1,322In Stock	Mfr. Part No. 273-AB Mouser Part No 567-273-AB	Wakefield Thermal	Heat Sinks Wave-Solderable Heat Sink, TO218/TO220, 19.1x9.5mm, Vertical/Horizontal, No Tab	Datasheet	1,322In Stock	£0.483 £0.426 £0.405 £0.394 View £0.379 £0.361 £0.347 £0.335 £0.307	Min.: 1 Mult.: 1	Heat Sinks	TO-218, TO-220	Through Hole	Aluminum	Rectangular Fin	24.5 C/W	19.1 mm	19.05 mm	9.52 mm	Component
Heat Sinks Wave-Solderable Heat Sink, TO220, 13.2x19.1x6.4mm, Vertical/Horizontal, No Tab 274-3AB Wakefield Thermal 1: £0.457 732In Stock 5,000Expected 02/12/2026	Mfr. Part No. 274-3AB Mouser Part No 567-274-3AB	Wakefield Thermal	Heat Sinks Wave-Solderable Heat Sink, TO220, 13.2x19.1x6.4mm, Vertical/Horizontal, No Tab	Datasheet	732In Stock 5,000Expected 02/12/2026	£0.457 £0.405 £0.385 £0.375 View £0.37 £0.344 £0.325 £0.312 £0.284	Min.: 1 Mult.: 1	Heat Sinks	TO-220	Through Hole	Aluminum	Rectangular Fin	9 C/W	19.1 mm	13.21 mm	6.35 mm	Component
Heat Sinks Low Cost, Wave-Solderable Heat Sink for TO-220, Mounting Slot, 25.4x12.7x30.0mm 287-1ABE Wakefield Thermal 1: £0.817 958In Stock 5,000Expected 31/12/2026	Mfr. Part No. 287-1ABE Mouser Part No 567-287-1ABE	Wakefield Thermal	Heat Sinks Low Cost, Wave-Solderable Heat Sink for TO-220, Mounting Slot, 25.4x12.7x30.0mm	Datasheet	958In Stock 5,000Expected 31/12/2026	£0.817 £0.725 £0.69 £0.667 View £0.642 £0.597 £0.576 £0.555 £0.527	Min.: 1 Mult.: 1	Heat Sinks	TO-220	Through Hole	Aluminum	Rectangular Fin	16.2 C/W	29.97 mm	25.4 mm	12.7 mm	Component
Heat Sinks Single Package Heat Sink for TO-218, TO-220, TO-202, Aluminum, 25.4x18.1x12.7mm 289-AB Wakefield Thermal 1: £0.483 1,945In Stock	Mfr. Part No. 289-AB Mouser Part No 567-289-AB	Wakefield Thermal	Heat Sinks Single Package Heat Sink for TO-218, TO-220, TO-202, Aluminum, 25.4x18.1x12.7mm	Datasheet	1,945In Stock	£0.483 £0.426 £0.405 £0.394 View £0.379 £0.361 £0.341 £0.322 £0.307	Min.: 1 Mult.: 1	Heat Sinks	TO-218, TO-202, TO-220	Through Hole	Aluminum	Rectangular Fin	25 C/W	18.03 mm	25.4 mm	12.7 mm	Component
Heat Sinks Single Package Heat Sink for TO-218, TO-220, TO-202, Aluminum, 25.4x30.0x12.7mm 290-1AB Wakefield Thermal 1: £0.483 1,763In Stock	Mfr. Part No. 290-1AB Mouser Part No 567-290-1AB	Wakefield Thermal	Heat Sinks Single Package Heat Sink for TO-218, TO-220, TO-202, Aluminum, 25.4x30.0x12.7mm	Datasheet	1,763In Stock	£0.483 £0.426 £0.405 £0.395 View £0.389 £0.362 £0.341 £0.328 £0.301	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 Heat Sink for DC/DC Converters, Half Brick, 57.9x61x6.1mm, Horizontal, 11 Fins 527-24AB Wakefield Thermal 1: £2.45 456In Stock	Mfr. Part No. 527-24AB Mouser Part No 567-527-24AB	Wakefield Thermal	Heat Sinks Heat Sink for DC/DC Converters, Half Brick, 57.9x61x6.1mm, Horizontal, 11 Fins Learn More about Wakefield Thermal wakefield vette brick heatsinks	Datasheet	456In Stock	£2.45 £2.24 £2.17 £2.06 View £1.93 £1.80	Min.: 1 Mult.: 1	Heat Sinks	DC/DC Converter, 1/2 Brick	Screw	Aluminum	Rectangular Fin	4.2 C/W	57.9 mm	61 mm	6.1 mm	DC/DC Converter
Heat Sinks Heat Sink for DC/DC Converters, Half Brick, 57.9x61x11.4mm, Horizontal, 11 Fins 527-45AB Wakefield Thermal 1: £2.62 346In Stock 640Expected 15/02/2027	Mfr. Part No. 527-45AB Mouser Part No 567-527-45AB	Wakefield Thermal	Heat Sinks Heat Sink for DC/DC Converters, Half Brick, 57.9x61x11.4mm, Horizontal, 11 Fins Learn More about Wakefield Thermal wakefield vette brick heatsinks	Datasheet	346In Stock 640Expected 15/02/2027	£2.62 £2.32 £2.23 £2.14 View £2.02 £1.93 £1.82 £1.67	Min.: 1 Mult.: 1	Heat Sinks	DC/DC Converter, 1/2 Brick	Screw	Aluminum	Rectangular Fin	2.3 C/W	57.9 mm	61 mm	11.4 mm	DC/DC Converter
Heat Sinks Heat Sink for DC/DC Converters, Half Brick, 57.9x61x11.4mm, Vertical, 11 Fins 528-45AB Wakefield Thermal 1: £2.44 360In Stock 1,200Expected 25/11/2026	Mfr. Part No. 528-45AB Mouser Part No 567-528-45AB	Wakefield Thermal	Heat Sinks Heat Sink for DC/DC Converters, Half Brick, 57.9x61x11.4mm, Vertical, 11 Fins Learn More about Wakefield Thermal wakefield vette brick heatsinks	Datasheet	360In Stock 1,200Expected 25/11/2026	£2.44 £2.23 £2.11 £2.03 View £1.92 £1.81 £1.75 £1.70 £1.62	Min.: 1 Mult.: 1	Heat Sinks	DC/DC Converter, 1/2 Brick	Screw	Aluminum	Rectangular Fin	2.1 C/W	61 mm	57.9 mm	11.43 mm	DC/DC Converter
Heat Sinks Heat Sink for DC/DC Converter, Quarter, 57.9x36.8x6.1mm, Horizontal, 14 Fins 537-24AB Wakefield Thermal 1: £4.14 307In Stock	Mfr. Part No. 537-24AB Mouser Part No 567-537-24AB	Wakefield Thermal	Heat Sinks Heat Sink for DC/DC Converter, Quarter, 57.9x36.8x6.1mm, Horizontal, 14 Fins Learn More about Wakefield Thermal wakefield vette brick heatsinks	Datasheet	307In Stock	£4.14 £3.42 £3.33 £3.17 View £3.04 £2.88 £2.87	Min.: 1 Mult.: 1	Heat Sinks	DC/DC Converter, 1/4 Brick	Screw	Aluminum	Rectangular Fin	4.2 C/W	57.9 mm	36.8 mm	6.1 mm	DC/DC Converter