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45 mm LED Heat Sinks & Thermal Substrates

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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.	Mounting Style	Heatsink Material	Thermal Resistance	Height	Diameter	Fin Style	Product
LED Heat Sinks & Thermal Substrates STAR LED Heat Sink, 45mm dia., 43mm, Black, Baseplate Hardware ATSEU-077B-C2-R0 Advanced Thermal Solutions 1: £18.71 98In Stock	Mfr. Part No. ATSEU-077B-C2-R0 Mouser Part No 984-ATSEU-077B-C2-R0	Advanced Thermal Solutions	LED Heat Sinks & Thermal Substrates STAR LED Heat Sink, 45mm dia., 43mm, Black, Baseplate Hardware Learn More about Advanced Thermal Solutions ats starled heatsink	Datasheet	98In Stock	£18.71 £16.62 £15.83 £14.47 View £13.81 £13.38	Min.: 1 Mult.: 1	Screw Mount	Aluminum			45 mm	Omnidirectional Fin	Heatsinks
LED Heat Sinks & Thermal Substrates STAR LED Heat Sink, 45mm Dia, 38mm L, Base: 7mm, Unthreaded, Black ATSEU-077D-C1-R0 Advanced Thermal Solutions 1: £15.31 53In Stock	Mfr. Part No. ATSEU-077D-C1-R0 Mouser Part No 984-ATSEU-077D-C1-R0	Advanced Thermal Solutions	LED Heat Sinks & Thermal Substrates STAR LED Heat Sink, 45mm Dia, 38mm L, Base: 7mm, Unthreaded, Black Learn More about Advanced Thermal Solutions ats starled heatsink	Datasheet	53In Stock	£15.31 £13.64 £13.00 £11.69 View £11.16 £10.89 £10.85	Min.: 1 Mult.: 1	Screw Mount	Aluminum			45 mm	Omnidirectional Fin	Heatsinks
LED Heat Sinks & Thermal Substrates maxiFLOW Linear LED Heat Sink, Center Channel, 2 Side Adhesive, 305x45x26mm ATS-58003-C1-R0 Advanced Thermal Solutions 1: £32.72 91In Stock	Mfr. Part No. ATS-58003-C1-R0 Mouser Part No 984-ATS-58003-C1-R0	Advanced Thermal Solutions	LED Heat Sinks & Thermal Substrates maxiFLOW Linear LED Heat Sink, Center Channel, 2 Side Adhesive, 305x45x26mm Learn More about Advanced Thermal Solutions ats linear led heat sinks	Datasheet	91In Stock	£32.72 £29.52 £28.12 £25.54 View £25.47 £24.60 Quote	Min.: 1 Mult.: 1	Adhesive	Aluminum	0.6 C/W	26 mm			Heatsinks
LED Heat Sinks & Thermal Substrates STAR LED Heat Sink, 45mm dia., 68mm, Black/Silver, Baseplate Hardware ATSEU-077A-C4-R0 Advanced Thermal Solutions 1: £20.85 68In Stock	Mfr. Part No. ATSEU-077A-C4-R0 Mouser Part No 984-ATSEU-077A-C4-R0	Advanced Thermal Solutions	LED Heat Sinks & Thermal Substrates STAR LED Heat Sink, 45mm dia., 68mm, Black/Silver, Baseplate Hardware Learn More about Advanced Thermal Solutions ats starled heatsink	Datasheet	68In Stock	£20.85 £18.78 £17.73 £16.27 View £15.61 £15.22	Min.: 1 Mult.: 1	Screw Mount	Aluminum			45 mm	Omnidirectional Fin	Heatsinks
LED Heat Sinks & Thermal Substrates STAR LED Heat Sink, 45mm Diameter, 18mm Heat Sink Length, Black/Silver Tip ATSEU-077C-C6-R0 Advanced Thermal Solutions 1: £13.58 54In Stock	Mfr. Part No. ATSEU-077C-C6-R0 Mouser Part No 984-ATSEU-077C-C6-R0	Advanced Thermal Solutions	LED Heat Sinks & Thermal Substrates STAR LED Heat Sink, 45mm Diameter, 18mm Heat Sink Length, Black/Silver Tip Learn More about Advanced Thermal Solutions ats starled heatsink	Datasheet	54In Stock	£13.58 £12.17 £11.59 £10.80 View £10.52 £10.14 £9.89	Min.: 1 Mult.: 1	Screw Mount	Aluminum			45 mm	Omnidirectional Fin	Heatsinks
LED Heat Sinks & Thermal Substrates STAR LED Heat Sink, 45mm Dia, 43mm L, Base: 7mm, Unthreaded, Black ATSEU-077B-C1-R0 Advanced Thermal Solutions 1: £15.91 52In Stock	Mfr. Part No. ATSEU-077B-C1-R0 Mouser Part No 984-ATSEU-077B-C1-R0	Advanced Thermal Solutions	LED Heat Sinks & Thermal Substrates STAR LED Heat Sink, 45mm Dia, 43mm L, Base: 7mm, Unthreaded, Black Learn More about Advanced Thermal Solutions ats starled heatsink	Datasheet	52In Stock	£15.91 £14.23 £13.55 £13.06 View £12.10 £11.60 £11.37 Quote	Min.: 1 Mult.: 1	Screw Mount	Aluminum			45 mm	Omnidirectional Fin	Heatsinks
LED Heat Sinks & Thermal Substrates STAR LED Heat Sink, 45mm dia., 43mm, Black/Silver, Unthreaded Baseplate Hardware ATSEU-077B-C3-R0 Advanced Thermal Solutions 1: £17.67 60In Stock	Mfr. Part No. ATSEU-077B-C3-R0 Mouser Part No 984-ATSEU-077B-C3-R0	Advanced Thermal Solutions	LED Heat Sinks & Thermal Substrates STAR LED Heat Sink, 45mm dia., 43mm, Black/Silver, Unthreaded Baseplate Hardware Learn More about Advanced Thermal Solutions ats starled heatsink	Datasheet	60In Stock	£17.67 £15.74 £14.99 £13.46 View £12.96 £12.64	Min.: 1 Mult.: 1	Screw Mount	Aluminum			45 mm	Omnidirectional Fin	Heatsinks
LED Heat Sinks & Thermal Substrates STAR LED Heat Sink, 45mm Dia, 18mm L, Base: 7mm, Unthreaded, Black ATSEU-077C-C1-R0 Advanced Thermal Solutions 1: £15.05 10In Stock	Mfr. Part No. ATSEU-077C-C1-R0 Mouser Part No 984-ATSEU-077C-C1-R0	Advanced Thermal Solutions	LED Heat Sinks & Thermal Substrates STAR LED Heat Sink, 45mm Dia, 18mm L, Base: 7mm, Unthreaded, Black Learn More about Advanced Thermal Solutions ats starled heatsink	Datasheet	10In Stock	£15.05 £13.44 £12.79 £12.34 View £11.51 £10.99 £10.70 Quote	Min.: 1 Mult.: 1	Screw Mount	Aluminum			45 mm	Omnidirectional Fin	Heatsinks
LED Heat Sinks & Thermal Substrates STAR LED Heat Sink, 45mm Dia, 18mm L, Base: 7mm, M43x1.5 Outer Thread, Black ATSEU-077C-C2-R0 Advanced Thermal Solutions 1: £17.82 63In Stock	Mfr. Part No. ATSEU-077C-C2-R0 Mouser Part No 984-ATSEU-077C-C2-R0	Advanced Thermal Solutions	LED Heat Sinks & Thermal Substrates STAR LED Heat Sink, 45mm Dia, 18mm L, Base: 7mm, M43x1.5 Outer Thread, Black Learn More about Advanced Thermal Solutions ats starled heatsink	Datasheet	63In Stock	£17.82 £15.84 £15.09 £14.54 View £13.19 £13.02 £12.70	Min.: 1 Mult.: 1	Screw Mount	Aluminum			45 mm	Omnidirectional Fin	Heatsinks
LED Heat Sinks & Thermal Substrates STAR LED Heat Sink, 45mm Diameter, 38mm Heat Sink Length, Black ATSEU-077D-C5-R0 Advanced Thermal Solutions 1: £12.09 56In Stock	Mfr. Part No. ATSEU-077D-C5-R0 Mouser Part No 984-ATSEU-077D-C5-R0	Advanced Thermal Solutions	LED Heat Sinks & Thermal Substrates STAR LED Heat Sink, 45mm Diameter, 38mm Heat Sink Length, Black Learn More about Advanced Thermal Solutions ats starled heatsink	Datasheet	56In Stock	£12.09 £10.88 £10.36 £9.95 View £9.39 £9.01 £8.76	Min.: 1 Mult.: 1	Screw Mount	Aluminum			45 mm	Omnidirectional Fin	Heatsinks
LED Heat Sinks & Thermal Substrates maxiFLOW Linear LED Heat Sink, BlackAnodized, No TIM, 305mm L, 45mm W, 26mm H ATS-58001-C1-R0 Advanced Thermal Solutions 1: £33.01 5In Stock	Mfr. Part No. ATS-58001-C1-R0 Mouser Part No 984-ATS-58001-C1-R0	Advanced Thermal Solutions	LED Heat Sinks & Thermal Substrates maxiFLOW Linear LED Heat Sink, BlackAnodized, No TIM, 305mm L, 45mm W, 26mm H Learn More about Advanced Thermal Solutions ats linear led heat sinks	Datasheet	5In Stock	£33.01 £29.53 £28.13 £26.91 View £25.93 £24.59 Quote	Min.: 1 Mult.: 1	Adhesive	Aluminum	1.3 C/W	26 mm		Angled Fin	Heatsinks
LED Heat Sinks & Thermal Substrates STAR LED Heat Sink, 45mm Dia, 68mm L, Base: 7mm, Unthreaded, Black/Silver Tip ATSEU-077A-C3-R0 Advanced Thermal Solutions 1: £18.51 22In Stock	Mfr. Part No. ATSEU-077A-C3-R0 Mouser Part No 984-ATSEU-077A-C3-R0	Advanced Thermal Solutions	LED Heat Sinks & Thermal Substrates STAR LED Heat Sink, 45mm Dia, 68mm L, Base: 7mm, Unthreaded, Black/Silver Tip Learn More about Advanced Thermal Solutions ats starled heatsink	Datasheet	22In Stock	£18.51 £16.43 £15.65 £14.52 View £13.71 £13.54 £13.21	Min.: 1 Mult.: 1	Screw Mount	Aluminum			45 mm	Omnidirectional Fin	Heatsinks
LED Heat Sinks & Thermal Substrates STAR LED Heat Sink, 45mm dia., 43mm, Black/Silver Tip ATSEU-077B-C6-R0 Advanced Thermal Solutions 1: £14.57 9In Stock	Mfr. Part No. ATSEU-077B-C6-R0 Mouser Part No 984-ATSEU-077B-C6-R0	Advanced Thermal Solutions	LED Heat Sinks & Thermal Substrates STAR LED Heat Sink, 45mm dia., 43mm, Black/Silver Tip Learn More about Advanced Thermal Solutions ats starled heatsink	Datasheet	9In Stock	£14.57 £13.02 £12.40 £11.39 View £11.03 £10.63 £10.46 Quote	Min.: 1 Mult.: 1	Screw Mount	Aluminum			45 mm	Omnidirectional Fin	Heatsinks
LED Heat Sinks & Thermal Substrates STAR LED Heat Sink, 45mm Dia, 18mm L, Base: 7mm, M43x1.5, Black/Silver Tip ATSEU-077C-C4-R0 Advanced Thermal Solutions 1: £19.55 33In Stock	Mfr. Part No. ATSEU-077C-C4-R0 Mouser Part No 984-ATSEU-077C-C4-R0	Advanced Thermal Solutions	LED Heat Sinks & Thermal Substrates STAR LED Heat Sink, 45mm Dia, 18mm L, Base: 7mm, M43x1.5, Black/Silver Tip Learn More about Advanced Thermal Solutions ats starled heatsink	Datasheet	33In Stock	£19.55 £17.31 £16.49 £15.86 View £14.19 £13.99	Min.: 1 Mult.: 1	Screw Mount	Aluminum			45 mm	Omnidirectional Fin	Heatsinks
LED Heat Sinks & Thermal Substrates STAR LED Heat Sink, 45mm Dia, 38mm L, Base: 7mm, M43x1.5 Outer Thread, Black ATSEU-077D-C2-R0 Advanced Thermal Solutions 1: £18.04 22In Stock	Mfr. Part No. ATSEU-077D-C2-R0 Mouser Part No 984-ATSEU-077D-C2-R0	Advanced Thermal Solutions	LED Heat Sinks & Thermal Substrates STAR LED Heat Sink, 45mm Dia, 38mm L, Base: 7mm, M43x1.5 Outer Thread, Black Learn More about Advanced Thermal Solutions ats starled heatsink	Datasheet	22In Stock	£18.04 £16.02 £15.26 £14.71 View £13.33 £13.18 £12.86	Min.: 1 Mult.: 1	Screw Mount	Aluminum			45 mm	Omnidirectional Fin	Heatsinks
LED Heat Sinks & Thermal Substrates STAR LED Heat Sink, 45mm dia., 68mm, Black, Baseplate Hardware ATSEU-077A2-C2-R0 Advanced Thermal Solutions 1: £19.49 95Expected 20/11/2026	Mfr. Part No. ATSEU-077A2-C2-R0 Mouser Part No 984-ATSEU-077A2-C2R0	Advanced Thermal Solutions	LED Heat Sinks & Thermal Substrates STAR LED Heat Sink, 45mm dia., 68mm, Black, Baseplate Hardware Learn More about Advanced Thermal Solutions ats starled heatsink	Datasheet	95Expected 20/11/2026	£19.49 £18.41 £17.33 £17.26 £14.67	Min.: 1 Mult.: 1	Screw Mount	Aluminum			45 mm	Omnidirectional Fin	Heatsinks
LED Heat Sinks & Thermal Substrates maxiFLOW Linear LED Heat Sink, Black Anodized, No TIM, 330mm L, 45mm W, 26mm H ATS-58000-C1-R0 Advanced Thermal Solutions 100: £27.81 398Factory Stock Available	Mfr. Part No. ATS-58000-C1-R0 Mouser Part No 984-ATS-58000-C1-R0	Advanced Thermal Solutions	LED Heat Sinks & Thermal Substrates maxiFLOW Linear LED Heat Sink, Black Anodized, No TIM, 330mm L, 45mm W, 26mm H Learn More about Advanced Thermal Solutions ats linear led heat sinks	Datasheet	398Factory Stock Available More Info Available	£27.81 £26.84	Min.: 100 Mult.: 100	Adhesive	Aluminum	1.2 C/W	26 mm		Angled Fin	Heatsinks
LED Heat Sinks & Thermal Substrates maxiFLOW Linear LED Heat Sink, Center Channel, Black, No TIM, 305x45x26mm ATS-58002-C1-R0 Advanced Thermal Solutions 100: £22.15 Non-Stocked Lead-Time 8 Weeks	Mfr. Part No. ATS-58002-C1-R0 Mouser Part No 984-ATS-58002-C1-R0	Advanced Thermal Solutions	LED Heat Sinks & Thermal Substrates maxiFLOW Linear LED Heat Sink, Center Channel, Black, No TIM, 305x45x26mm Learn More about Advanced Thermal Solutions ats linear led heat sinks	Datasheet	Non-Stocked Lead-Time 8 Weeks	£22.15 £22.02 Quote Quote	Min.: 100 Mult.: 100	Adhesive	Aluminum	0.6 C/W	26 mm		Angled Fin	Heatsinks
LED Heat Sinks & Thermal Substrates STAR LED Heat Sink, 45mm dia., 68mm, Black/Silver Tip ATSEU-077A-C6-R0 Advanced Thermal Solutions 100: £11.62 Non-Stocked Lead-Time 8 Weeks	Mfr. Part No. ATSEU-077A-C6-R0 Mouser Part No 984-ATSEU-077A-C6-R0	Advanced Thermal Solutions	LED Heat Sinks & Thermal Substrates STAR LED Heat Sink, 45mm dia., 68mm, Black/Silver Tip Learn More about Advanced Thermal Solutions ats starled heatsink	Datasheet	Non-Stocked Lead-Time 8 Weeks	£11.62 £11.18 £11.00	Min.: 100 Mult.: 100	Screw Mount	Aluminum			45 mm	Omnidirectional Fin	Heatsinks
LED Heat Sinks & Thermal Substrates STAR LED Heat Sink, 45mm dia., 68mm, Black, Unthreaded Baseplate Hardware ATSEU-077A2-C1-R1 Advanced Thermal Solutions 1: £17.24 Non-Stocked Lead-Time 8 Weeks	Mfr. Part No. ATSEU-077A2-C1-R1 Mouser Part No 984-ATSEU-077A2-C1R1	Advanced Thermal Solutions	LED Heat Sinks & Thermal Substrates STAR LED Heat Sink, 45mm dia., 68mm, Black, Unthreaded Baseplate Hardware Learn More about Advanced Thermal Solutions ats starled heatsink	Datasheet	Non-Stocked Lead-Time 8 Weeks	£17.24 £15.79 £14.95 £13.40 View £12.66 £12.24 £11.99	Min.: 1 Mult.: 1	Screw Mount	Aluminum			45 mm	Omnidirectional Fin	Heatsinks
LED Heat Sinks & Thermal Substrates STAR LED Heat Sink, 45mm dia., 68mm, Black ATSEU-077A2-C5-R0 Advanced Thermal Solutions 100: £10.64 Non-Stocked Lead-Time 8 Weeks	Mfr. Part No. ATSEU-077A2-C5-R0 Mouser Part No 984-ATSEU-077A2-C5R0	Advanced Thermal Solutions	LED Heat Sinks & Thermal Substrates STAR LED Heat Sink, 45mm dia., 68mm, Black Learn More about Advanced Thermal Solutions ats starled heatsink	Datasheet	Non-Stocked Lead-Time 8 Weeks	£10.64 £10.27 £10.09 £10.08	Min.: 100 Mult.: 100	Screw Mount	Aluminum			45 mm	Omnidirectional Fin	Heatsinks
LED Heat Sinks & Thermal Substrates STAR LED Heat Sink, 45mm dia., 43mm, Black/Silver, Baseplate Hardware ATSEU-077B-C4-R0 Advanced Thermal Solutions 100: £15.13 Non-Stocked Lead-Time 8 Weeks	Mfr. Part No. ATSEU-077B-C4-R0 Mouser Part No 984-ATSEU-077B-C4-R0	Advanced Thermal Solutions	LED Heat Sinks & Thermal Substrates STAR LED Heat Sink, 45mm dia., 43mm, Black/Silver, Baseplate Hardware Learn More about Advanced Thermal Solutions ats starled heatsink	Datasheet	Non-Stocked Lead-Time 8 Weeks	£15.13 £15.03 £14.67	Min.: 100 Mult.: 100	Screw Mount	Aluminum			45 mm	Omnidirectional Fin	Heatsinks
LED Heat Sinks & Thermal Substrates STAR LED Heat Sink, 45mm dia., 43mm, Black ATSEU-077B-C5-R0 Advanced Thermal Solutions 100: £9.91 Non-Stocked Lead-Time 8 Weeks	Mfr. Part No. ATSEU-077B-C5-R0 Mouser Part No 984-ATSEU-077B-C5-R0	Advanced Thermal Solutions	LED Heat Sinks & Thermal Substrates STAR LED Heat Sink, 45mm dia., 43mm, Black Learn More about Advanced Thermal Solutions ats starled heatsink	Datasheet	Non-Stocked Lead-Time 8 Weeks	£9.91 £9.52 £9.31	Min.: 100 Mult.: 100	Screw Mount	Aluminum			45 mm	Omnidirectional Fin	Heatsinks
LED Heat Sinks & Thermal Substrates STAR LED Heat Sink, 45mm Dia, 18mm L, Base: 7mm, Unthreaded, Black/Silver Tip ATSEU-077C-C3-R0 Advanced Thermal Solutions 100: £12.48 Non-Stocked Lead-Time 8 Weeks	Mfr. Part No. ATSEU-077C-C3-R0 Mouser Part No 984-ATSEU-077C-C3-R0	Advanced Thermal Solutions	LED Heat Sinks & Thermal Substrates STAR LED Heat Sink, 45mm Dia, 18mm L, Base: 7mm, Unthreaded, Black/Silver Tip Learn More about Advanced Thermal Solutions ats starled heatsink	Datasheet	Non-Stocked Lead-Time 8 Weeks	£12.48 £12.26 £11.96	Min.: 100 Mult.: 100	Screw Mount	Aluminum			45 mm	Omnidirectional Fin	Heatsinks
LED Heat Sinks & Thermal Substrates STAR LED Heat Sink, 45mm Diameter, 18mm Heat Sink Length, Black ATSEU-077C-C5-R0 Advanced Thermal Solutions 100: £9.31 Non-Stocked Lead-Time 8 Weeks	Mfr. Part No. ATSEU-077C-C5-R0 Mouser Part No 984-ATSEU-077C-C5-R0	Advanced Thermal Solutions	LED Heat Sinks & Thermal Substrates STAR LED Heat Sink, 45mm Diameter, 18mm Heat Sink Length, Black Learn More about Advanced Thermal Solutions ats starled heatsink	Datasheet	Non-Stocked Lead-Time 8 Weeks	£9.31 £8.87 £8.63	Min.: 100 Mult.: 100	Screw Mount	Aluminum			45 mm	Omnidirectional Fin	Heatsinks

45 mm LED Heat Sinks & Thermal Substrates

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