Heat Sinks – Mouser United Kingdom

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HSE Heat Sinks

Same Sky HSE Heat Sinks are extruded, aluminum heat sinks that offer a variety of form factors and transistor package types to meet onboard cooling needs. These modules dissipate heat in natural convection and forced air environments. Same Sky HSE Heat Sinks are available in TO-218, TO-220, and TO-247 transistor package types.

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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 25x35x25.4mm w/pin extrusion TO-220 HSE-B250-04H Same Sky 1: £1.05 1,547In Stock	Mfr. Part No. HSE-B250-04H Mouser Part No 490-HSE-B250-04H	Same Sky	Heat Sinks 25x35x25.4mm w/pin extrusion TO-220 Learn More about Same Sky cui hse heat sinks	Datasheet	1,547In Stock	£1.05 £0.943 £0.89 £0.863 View £0.834 £0.78 £0.735 £0.709 £0.666	Min.: 1 Mult.: 1	Heat Sinks	TO-220	PCB	Aluminum	Extruded Axial Fin	13.6 C/W	25 mm	35 mm	25.4 mm	Component
Heat Sinks 50.8x25x12.7mm w/pin extrusion TO-220 HSE-B20508-035H-01 Same Sky 1: £1.17 462In Stock 1,800Expected 13/10/2026	Mfr. Part No. HSE-B20508-035H-01 Mouser Part No 490-HSE-B20508035H01	Same Sky	Heat Sinks 50.8x25x12.7mm w/pin extrusion TO-220 Learn More about Same Sky cui hse heat sinks	Datasheet	462In Stock 1,800Expected 13/10/2026	£1.17 £1.07 £1.04 £1.00 View £0.952 £0.89 £0.863 £0.766 £0.751	Min.: 1 Mult.: 1	Heat Sinks	TO-220	PCB	Aluminum	Extruded Axial Fin	9.15 C/W	50.8 mm	35 mm	12.7 mm	Component
Heat Sinks 25.4x25x12.7mm w/pin extrusion TO-220 HSE-B20254-035H-02 Same Sky 1: £0.943 1,394In Stock	Mfr. Part No. HSE-B20254-035H-02 Mouser Part No 490-HSE-B20254035H02	Same Sky	Heat Sinks 25.4x25x12.7mm w/pin extrusion TO-220 Learn More about Same Sky cui hse heat sinks	Datasheet	1,394In Stock	£0.943 £0.826 £0.796 £0.78 View £0.737 £0.695 £0.643 £0.592 £0.591	Min.: 1 Mult.: 1	Heat Sinks	TO-220	PCB	Aluminum	Extruded Axial Fin	15.97 C/W	25.4 mm	35 mm	12.7 mm	Component
Heat Sinks 50x30x12mm w/pin extrusion TO-220 HSE-B20250-045H Same Sky 1: £1.20 690In Stock	Mfr. Part No. HSE-B20250-045H Mouser Part No 490-HSE-B20250-045H	Same Sky	Heat Sinks 50x30x12mm w/pin extrusion TO-220 Learn More about Same Sky cui hse heat sinks	Datasheet	690In Stock	£1.20 £1.07 £1.02 £0.995 View £0.952 £0.89 £0.849 £0.788 £0.751	Min.: 1 Mult.: 1	Heat Sinks	TO-220	PCB	Aluminum	Extruded Axial Fin	12.29 C/W	50 mm	30 mm	12 mm	Component
Heat Sinks 63x35x25.4mm w/pin extrusion TO-220 HSE-B630-04H Same Sky 1: £1.75 1,112In Stock	Mfr. Part No. HSE-B630-04H Mouser Part No 490-HSE-B630-04H	Same Sky	Heat Sinks 63x35x25.4mm w/pin extrusion TO-220 Learn More about Same Sky cui heat sinks	Datasheet	1,112In Stock	£1.75 £1.58 £1.54 £1.45 View £1.37 £1.33 £1.32 £1.14	Min.: 1 Mult.: 1	Heat Sinks	TO-220	PCB	Aluminum	Extruded Axial Fin	5.21 C/W	63 mm	35 mm	25.4 mm	Component
Heat Sinks 63.5x25x12.7mm w/pin extrusion TO-220 HSE-B20635-035H-01 Same Sky 1: £1.55 1,239In Stock	Mfr. Part No. HSE-B20635-035H-01 Mouser Part No 490-HSE-B20635035H01	Same Sky	Heat Sinks 63.5x25x12.7mm w/pin extrusion TO-220 Learn More about Same Sky cui hse heat sinks	Datasheet	1,239In Stock	£1.55 £1.37 £1.33 £1.29 View £1.22 £1.15 £1.10 £1.06 £0.952	Min.: 1 Mult.: 1	Heat Sinks	TO-220	PCB	Aluminum	Extruded Axial Fin	7.98 C/W	63.5 mm	35 mm	12.7 mm	Component
Heat Sinks 25x29x12.5mm w/pin extrusion TO-220 HSE-B20250-040H-01 Same Sky 1: £0.736 272In Stock	Mfr. Part No. HSE-B20250-040H-01 Mouser Part No 490-HSE-B20250040H01	Same Sky	Heat Sinks 25x29x12.5mm w/pin extrusion TO-220 Learn More about Same Sky cui hse heat sinks	Datasheet	272In Stock	£0.736 £0.649 £0.63 £0.608 View £0.581 £0.553 £0.528 £0.502 £0.466	Min.: 1 Mult.: 1	Heat Sinks	TO-220	PCB	Aluminum	Extruded Axial Fin	18.58 C/W	25 mm	34.5 mm	12.5 mm	Component
Heat Sinks 38x29x12.5mm w/pin extrusion TO-220 HSE-B20380-040H-01 Same Sky 1: £0.899 1,534In Stock	Mfr. Part No. HSE-B20380-040H-01 Mouser Part No 490-HSE-B20380040H01	Same Sky	Heat Sinks 38x29x12.5mm w/pin extrusion TO-220 Learn More about Same Sky cui hse heat sinks	Datasheet	1,534In Stock	£0.899 £0.796 £0.766 £0.734 View £0.708 £0.669 £0.645 £0.621 £0.569	Min.: 1 Mult.: 1	Heat Sinks	TO-220	PCB	Aluminum	Extruded Axial Fin	10.27 C/W	38 mm	34.5 mm	12.5 mm	Component
Heat Sinks 25.4x45x12.7mm w/pin extrusion TO-220 HSE-B254-045H Same Sky 1: £0.96 552In Stock	Mfr. Part No. HSE-B254-045H Mouser Part No 490-HSE-B254-045H	Same Sky	Heat Sinks 25.4x45x12.7mm w/pin extrusion TO-220 Learn More about Same Sky cui hse heat sinks	Datasheet	552In Stock	£0.96 £0.856 £0.818 £0.788 View £0.759 £0.732 £0.706 £0.629 £0.595	Min.: 1 Mult.: 1	Heat Sinks	TO-220	PCB	Aluminum	Extruded Axial Fin	16.12 C/W	25.4 mm	45 mm	12.7 mm	Component
Heat Sinks 50.8x41.6x25mm w/pin extrusion TO-218 HSE-B18508-035H Same Sky 1: £1.75 1,800On Order	Mfr. Part No. HSE-B18508-035H Mouser Part No 490-HSE-B18508-035H	Same Sky	Heat Sinks 50.8x41.6x25mm w/pin extrusion TO-218 Learn More about Same Sky cui hse heat sinks	Datasheet	1,800On Order On Order Ship Dates Mfr. No: HSE-B18508-035H Stock: 0 On Order: 450 Expected 16/10/2026 1,350 Expected 24/12/2026 Factory Lead Time: 15 Weeks	£1.75 £1.56 £1.50 £1.43 View £1.37 £1.28 £1.22 £1.19 £1.10	Min.: 1 Mult.: 1	Heat Sinks	TO-218	PCB	Aluminum	Extruded Axial Fin	5.86 C/W	50.8 mm	41.6 mm	25 mm	Component
Heat Sinks 25.4x41.6x25mm w/pin extrusion TO-218 HSE-B18254-035H Same Sky 1,500: £0.759 Non-Stocked Lead-Time 15 Weeks	Mfr. Part No. HSE-B18254-035H Mouser Part No 490-HSE-B18254-035H	Same Sky	Heat Sinks 25.4x41.6x25mm w/pin extrusion TO-218 Learn More about Same Sky cui hse heat sinks	Datasheet	Non-Stocked Lead-Time 15 Weeks	£0.759 £0.70	Min.: 1,500 Mult.: 750	Heat Sinks	TO-218	PCB	Aluminum	Extruded Axial Fin	13.52 C/W	25.4 mm	41.6 mm	25 mm	Component
Heat Sinks 31.75x41.6x25mm pin extrusion TO-218 HSE-B18317-035H Same Sky 1,500: £1.06 Non-Stocked Lead-Time 15 Weeks	Mfr. Part No. HSE-B18317-035H Mouser Part No 490-HSE-B18317-035H	Same Sky	Heat Sinks 31.75x41.6x25mm pin extrusion TO-218 Learn More about Same Sky cui hse heat sinks	Datasheet	Non-Stocked Lead-Time 15 Weeks	£1.06 £0.995	Min.: 1,500 Mult.: 750	Heat Sinks	TO-218	PCB	Aluminum	Extruded Axial Fin	7.65 C/W	31.75 mm	41.6 mm	25 mm	Component
Heat Sinks 38.1x41.6x25mm w/pin extrusion TO-218 HSE-B18381-035H Same Sky 1,800: £0.952 Non-Stocked Lead-Time 15 Weeks	Mfr. Part No. HSE-B18381-035H Mouser Part No 490-HSE-B18381-035H	Same Sky	Heat Sinks 38.1x41.6x25mm w/pin extrusion TO-218 Learn More about Same Sky cui hse heat sinks	Datasheet	Non-Stocked Lead-Time 15 Weeks	£0.952 £0.943	Min.: 1,800 Mult.: 600	Heat Sinks	TO-218	PCB	Aluminum	Extruded Axial Fin	6.25 C/W	38.1 mm	41.6 mm	25 mm	Component
Heat Sinks 63.5x41.6x25mm w/pin extrusion TO-218 HSE-B18635-035H Same Sky 1,200: £1.32 Non-Stocked Lead-Time 15 Weeks	Mfr. Part No. HSE-B18635-035H Mouser Part No 490-HSE-B18635-035H	Same Sky	Heat Sinks 63.5x41.6x25mm w/pin extrusion TO-218 Learn More about Same Sky cui hse heat sinks	Datasheet	Non-Stocked Lead-Time 15 Weeks	£1.32 £1.28	Min.: 1,200 Mult.: 300	Heat Sinks	TO-218	PCB	Aluminum	Extruded Axial Fin	4.49 C/W	63.5 mm	41.6 mm	25 mm	Component
Heat Sinks 38.1x25x12.7mm w/pin extrusion TO-220 HSE-B20381-035H-02 Same Sky 1,200: £0.709 Non-Stocked Lead-Time 15 Weeks	Mfr. Part No. HSE-B20381-035H-02 Mouser Part No 490-HSE-B20381035H02	Same Sky	Heat Sinks 38.1x25x12.7mm w/pin extrusion TO-220 Learn More about Same Sky cui hse heat sinks	Datasheet	Non-Stocked Lead-Time 15 Weeks	£0.709 £0.695	Min.: 1,200 Mult.: 1,200	Heat Sinks	TO-220	PCB	Aluminum	Extruded Axial Fin	10.87 C/W	38.1 mm	35 mm	12.7 mm	Component
Heat Sinks 50x29x12.5mm w/pin extrusion TO-220 HSE-B20500-040H-01 Same Sky 1: £1.20 Non-Stocked Lead-Time 15 Weeks	Mfr. Part No. HSE-B20500-040H-01 Mouser Part No 490-HSE-B20500040H01	Same Sky	Heat Sinks 50x29x12.5mm w/pin extrusion TO-220 Learn More about Same Sky cui hse heat sinks	Datasheet	Non-Stocked Lead-Time 15 Weeks	£1.20 £1.08 £1.07 £0.882 View £0.796 £0.78	Min.: 1 Mult.: 1	Heat Sinks	TO-220	PCB	Aluminum	Extruded Axial Fin	8.43 C/W	50 mm	34.5 mm	12.5 mm	Component
Heat Sinks 63x29x12.5mm w/pin extrusion TO-220 HSE-B20630-040H-01 Same Sky 1,800: £0.969 Non-Stocked Lead-Time 15 Weeks	Mfr. Part No. HSE-B20630-040H-01 Mouser Part No 490-HSE-B20630040H01	Same Sky	Heat Sinks 63x29x12.5mm w/pin extrusion TO-220 Learn More about Same Sky cui hse heat sinks	Datasheet	Non-Stocked Lead-Time 15 Weeks	£0.969 £0.917	Min.: 1,800 Mult.: 600	Heat Sinks	TO-220	PCB	Aluminum	Extruded Axial Fin	8.24 C/W	63 mm	34.5 mm	12.5 mm	Component
Heat Sinks 38.1x45x12.7mm w/pin extrusion TO-220 HSE-B381-045H Same Sky 10,800: £0.796 Non-Stocked Lead-Time 15 Weeks	Mfr. Part No. HSE-B381-045H Mouser Part No 490-HSE-B381-045H	Same Sky	Heat Sinks 38.1x45x12.7mm w/pin extrusion TO-220 Learn More about Same Sky cui heat sinks	Datasheet	Non-Stocked Lead-Time 15 Weeks	£0.796	Min.: 10,800 Mult.: 900	Heat Sinks	TO-220	PCB	Aluminum	Extruded Axial Fin	7.58 C/W	38.1 mm	45 mm	12.7 mm	Component
Heat Sinks 50x35x25.4mm w/pin extrusion TO-220 HSE-B500-04H Same Sky 1,350: £1.06 Non-Stocked Lead-Time 15 Weeks	Mfr. Part No. HSE-B500-04H Mouser Part No 490-HSE-B500-04H	Same Sky	Heat Sinks 50x35x25.4mm w/pin extrusion TO-220 Learn More about Same Sky cui heat sinks	Datasheet	Non-Stocked Lead-Time 15 Weeks	£1.06 £1.04	Min.: 1,350 Mult.: 450	Heat Sinks	TO-220	PCB	Aluminum	Extruded Axial Fin	6.15 C/W	50 mm	35 mm	25.4 mm	Component
Heat Sinks 50.8x45x12.7mm w/pin extrusion TO-220 HSE-B508-045H Same Sky 10,800: £1.00 Non-Stocked Lead-Time 15 Weeks	Mfr. Part No. HSE-B508-045H Mouser Part No 490-HSE-B508-045H	Same Sky	Heat Sinks 50.8x45x12.7mm w/pin extrusion TO-220 Learn More about Same Sky cui heat sinks	Datasheet	Non-Stocked Lead-Time 15 Weeks	£1.00	Min.: 10,800 Mult.: 900	Heat Sinks	TO-220	PCB	Aluminum	Extruded Axial Fin	8.06 C/W	50.8 mm	45 mm	12.7 mm	Component
Heat Sinks 63.5x45x12.7mm w/pin extrusion TO-220 HSE-B635-045H Same Sky 10,800: £1.41 Non-Stocked Lead-Time 15 Weeks	Mfr. Part No. HSE-B635-045H Mouser Part No 490-HSE-B635-045H	Same Sky	Heat Sinks 63.5x45x12.7mm w/pin extrusion TO-220 Learn More about Same Sky cui heat sinks	Datasheet	Non-Stocked Lead-Time 15 Weeks	£1.41	Min.: 10,800 Mult.: 450	Heat Sinks	TO-220	PCB	Aluminum	Extruded Axial Fin	6.41 C/W	63.5 mm	45 mm	12.7 mm	Component