Heat Sinks

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Same Sky Heat Sinks are are designed to dissipate heat in natural convection and forced air environments. This line of aluminum and copper heat sinks from Same Sky offers a variety of form factors and package types to meet onboard cooling needs. Fin styles include angled, formed, straight, twisted, vertical, extruded axial, and extruded radial. The heat sink lineup also features a variety of mounting styles, such as adhesive, SMT, and through-hole.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (JPY) 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 25x35x12.5mm w/pin extrusion TO-220 HSE-B20250-040H Same Sky 1: ¥181 593In Stock 1,500Expected 2/5/2027	Mfr. Part # HSE-B20250-040H Mouser Part # 490-HSE-B20250-040H	Same Sky	Heat Sinks 25x35x12.5mm w/pin extrusion TO-220 Learn More about Same Sky cui hse heat sinks	Datasheet	593In Stock 1,500Expected 2/5/2027	¥181 ¥176.1 ¥174.4 ¥147.5 View ¥143.5 ¥136.4 ¥129.7 ¥121.9	Min.: 1 Mult.: 1	Heat Sinks	TO-220	PCB	Aluminum	Extruded Axial Fin	19.57 C/W	25 mm	35 mm	12.5 mm	Component
Heat Sinks 50x30x12mm w/pin extrusion TO-220 HSE-B20250-045H Same Sky 1: ¥265.8 638In Stock	Mfr. Part # HSE-B20250-045H Mouser Part # 490-HSE-B20250-045H	Same Sky	Heat Sinks 50x30x12mm w/pin extrusion TO-220 Learn More about Same Sky cui hse heat sinks	Datasheet	638In Stock	¥265.8 ¥237.5 ¥225.9 ¥219.3 View ¥210.9 ¥199.3 ¥189.4 ¥174.4 ¥166.1	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 25x29x12.5mm w/pin extrusion TO-220 HSE-B20250-040H-01 Same Sky 1: ¥162.8 172In Stock	Mfr. Part # HSE-B20250-040H-01 Mouser Part # 490-HSE-B20250040H01	Same Sky	Heat Sinks 25x29x12.5mm w/pin extrusion TO-220 Learn More about Same Sky cui hse heat sinks	Datasheet	172In Stock	¥162.8 ¥143.5 ¥139.5 ¥134.5 View ¥128.4 ¥122.4 ¥116.8 ¥111.1 ¥103.1	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 25.4x34.92x12.7mm extrusion TO-220 HSE-B20254-035H Same Sky 1: ¥197.7 483In Stock 1,500Expected 2/5/2027	Mfr. Part # HSE-B20254-035H Mouser Part # 490-HSE-B20254-035H	Same Sky	Heat Sinks 25.4x34.92x12.7mm extrusion TO-220 Learn More about Same Sky cui hse heat sinks	Datasheet	483In Stock 1,500Expected 2/5/2027	¥197.7 ¥182.7 ¥171.1 ¥167.8 View ¥161.3 ¥152 ¥129.6 ¥126.4	Min.: 1 Mult.: 1	Heat Sinks	TO-220	PCB	Aluminum	Extruded Axial Fin	14.4 C/W	25.4 mm	34.92 mm	12.7 mm	Component
Heat Sinks 38x29x12.5mm w/pin extrusion TO-220 HSE-B20380-040H-01 Same Sky 1: ¥199.3 1,450In Stock	Mfr. Part # HSE-B20380-040H-01 Mouser Part # 490-HSE-B20380040H01	Same Sky	Heat Sinks 38x29x12.5mm w/pin extrusion TO-220 Learn More about Same Sky cui hse heat sinks	Datasheet	1,450In Stock	¥199.3 ¥176.1 ¥169.4 ¥162.4 View ¥156.6 ¥148 ¥142.7 ¥137.4 ¥125.9	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 25x16x11mm extrusion TO-220 bolt on HSE-B2111-038 Same Sky 1: ¥162.8 1,921In Stock 2,500Expected 2/5/2027	Mfr. Part # HSE-B2111-038 Mouser Part # 490-HSE-B2111-038	Same Sky	Heat Sinks 25x16x11mm extrusion TO-220 bolt on Learn More about Same Sky cui hse heat sinks	Datasheet	1,921In Stock 2,500Expected 2/5/2027	¥162.8 ¥142.8 ¥137.5 ¥132.2 View ¥127.9 ¥118.8 ¥114.3 ¥109.8 ¥101.3	Min.: 1 Mult.: 1	Heat Sinks	TO-220	PCB	Aluminum	Extruded Axial Fin	20.99 C/W	25 mm	16 mm	11 mm	Component
Heat Sinks 25x35x25.4mm w/pin extrusion TO-220 HSE-B250-04H Same Sky 1: ¥230.9 1,377In Stock	Mfr. Part # HSE-B250-04H Mouser Part # 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	1,377In Stock	¥230.9 ¥207.6 ¥197.7 ¥194.3 View ¥187.7 ¥179.4 ¥169.4 ¥162.3 ¥147.3	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 25.4x45x12.7mm w/pin extrusion TO-220 HSE-B254-045H Same Sky 1: ¥212.6 552In Stock	Mfr. Part # HSE-B254-045H Mouser Part # 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	¥212.6 ¥189.4 ¥181 ¥174.4 View ¥167.8 ¥162.1 ¥156.3 ¥139.2 ¥131.6	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 38.1x16.5x16mm w/pin extrusion TO-220/21 HSE-B381-04H Same Sky 1: ¥244.2 524In Stock	Mfr. Part # HSE-B381-04H Mouser Part # 490-HSE-B381-04H	Same Sky	Heat Sinks 38.1x16.5x16mm w/pin extrusion TO-220/21 Learn More about Same Sky cui hse heat sinks	Datasheet	524In Stock	¥244.2 ¥217.6 ¥207.6 ¥199.3 View ¥192.7 ¥184.4 ¥176.1 ¥166.1 ¥152.1	Min.: 1 Mult.: 1	Heat Sinks	TO-218, TO-220	PCB	Aluminum	Extruded Axial Fin	12.71 C/W	38.1 mm	16.5 mm	16 mm	Component
Heat Sinks 29.97 x 25.4 x12.7mm TO-220 bolt on/pin HSS-B20-0508H-01R Same Sky 1: ¥149.5 1,108In Stock	Mfr. Part # HSS-B20-0508H-01R Mouser Part # 490-HSS-B20-0508H01R	Same Sky	Heat Sinks 29.97 x 25.4 x12.7mm TO-220 bolt on/pin Learn More about Same Sky cui heat sinks	Datasheet	1,108In Stock	¥149.5 ¥132.2 ¥127.4 ¥123.2 View ¥118.6 ¥110.3 ¥106.3 ¥103.5 ¥95	Min.: 1 Mult.: 1	Heat Sinks	TO-220	Panel	Aluminum	Straight Fin	20.74 C/W	29.97 mm	25.4 mm	10.19 mm	Component
Heat Sinks 25.4 x 30 x 12.7mm clip HSS-B20-053H-01 Same Sky 1: ¥172.7 498In Stock	Mfr. Part # HSS-B20-053H-01 Mouser Part # 490-HSS-B20-053H-01	Same Sky	Heat Sinks 25.4 x 30 x 12.7mm clip Learn More about Same Sky cui heat sinks	Datasheet	498In Stock	¥172.7 ¥151 ¥146.2 ¥141 View ¥131.1 ¥126.1 ¥122.4 ¥118.1 ¥104.8	Min.: 1 Mult.: 1	Heat Sinks	TO-220	Panel	Aluminum	Twisted Fin	20.27 C/W	30 mm	25.4 mm	12.7 mm	Component
Heat Sinks 19 x 12.8 x 12.7mm TO-220 solder pin HSS-B20-061H-02 Same Sky 1: ¥139.5 1,910In Stock	Mfr. Part # HSS-B20-061H-02 Mouser Part # 490-HSS-B20-061H-02	Same Sky	Heat Sinks 19 x 12.8 x 12.7mm TO-220 solder pin Learn More about Same Sky cui heat sinks	Datasheet	1,910In Stock	¥139.5 ¥122.9 ¥117.4 ¥114.1 View ¥110 ¥102 ¥100 ¥93 ¥86.5	Min.: 1 Mult.: 1	Heat Sinks	TO-220	Panel	Aluminum	Formed Fin	30.86 C/W	19 mm	12.8 mm	12.7 mm	Component
Heat Sinks 19.05 x 13.21x9.53mm TO-220 solder pin HSS-B20-0635H-01 Same Sky 1: ¥122.9 175In Stock 3,000Expected 1/6/2027	Mfr. Part # HSS-B20-0635H-01 Mouser Part # 490-HSS-B20-0635H-01	Same Sky	Heat Sinks 19.05 x 13.21x9.53mm TO-220 solder pin Learn More about Same Sky cui heat sinks	Datasheet	175In Stock 3,000Expected 1/6/2027	¥122.9 ¥108 ¥103.1 ¥100.3 View ¥95.7 ¥91 ¥87.7 ¥84.4 ¥77.6	Min.: 1 Mult.: 1	Heat Sinks	TO-220	Panel	Aluminum	Straight Fin	33.93 C/W	13.21 mm	19.05 mm	9.53 mm	Component
Heat Sinks 19 x 12.8 x 12.7mm TO-220 solder pin HSS-B20-065V-02 Same Sky 1: ¥139.5 511In Stock	Mfr. Part # HSS-B20-065V-02 Mouser Part # 490-HSS-B20-065V-02	Same Sky	Heat Sinks 19 x 12.8 x 12.7mm TO-220 solder pin Learn More about Same Sky cui heat sinks	Datasheet	511In Stock	¥139.5 ¥122.9 ¥117.4 ¥114.1 View ¥108.8 ¥103.6 ¥100 ¥97.2 ¥88.2	Min.: 1 Mult.: 1	Heat Sinks	TO-220	Panel	Aluminum	Formed Fin	30.86 C/W	19 mm	12.8 mm	12.7 mm	Component
Heat Sinks 15 x 12.8 x 12.7mm TO-220 solder pin HSS-B20-0953H-01 Same Sky 1: ¥164.4 383In Stock	Mfr. Part # HSS-B20-0953H-01 Mouser Part # 490-HSS-B20-0953H-01	Same Sky	Heat Sinks 15 x 12.8 x 12.7mm TO-220 solder pin Learn More about Same Sky cui heat sinks	Datasheet	383In Stock	¥164.4 ¥144.2 ¥140 ¥135 View ¥119.6 ¥115.1 ¥105.6	Min.: 1 Mult.: 1	Heat Sinks	TO-220	Panel	Aluminum	Formed Fin	37.62 C/W	15 mm	12.8 mm	12.7 mm	Component
Heat Sinks 18.79 x 22.86x9.52mm clip HSS-B20-CP-01 Same Sky 1: ¥157.8 2,276In Stock	Mfr. Part # HSS-B20-CP-01 Mouser Part # 490-HSS-B20-CP-01	Same Sky	Heat Sinks 18.79 x 22.86x9.52mm clip Learn More about Same Sky cui heat sinks	Datasheet	2,276In Stock	¥157.8 ¥137.5 ¥133.9 ¥129.1 View ¥124.4 ¥115.9 ¥111.6 ¥107.6 ¥99.7	Min.: 1 Mult.: 1	Heat Sinks	TO-220	Panel	Aluminum	Formed Fin	32.65 C/W	18.79 mm	13.21 mm	9.52 mm	Component
Heat Sinks 36.83 x 44.5 x 9.4mm TO-220 bolt on HSS-B20-NP-04 Same Sky 1: ¥137.9 258In Stock	Mfr. Part # HSS-B20-NP-04 Mouser Part # 490-HSS-B20-NP-04	Same Sky	Heat Sinks 36.83 x 44.5 x 9.4mm TO-220 bolt on Learn More about Same Sky cui heat sinks	Datasheet	258In Stock	¥137.9 ¥120.9 ¥115.4 ¥111.8 View ¥107 ¥100.7 ¥97.5 ¥92.5 ¥86.7	Min.: 1 Mult.: 1	Heat Sinks	TO-220	SMD/SMT	Aluminum	Straight Fin	15.27 C/W	36.83 mm	17.78 mm	9.4 mm	Component
Heat Sinks 19 x 19 x 9.52mm TO-220 bolt on HSS-B20-NP-06 Same Sky 1: ¥117.9 1,845In Stock	Mfr. Part # HSS-B20-NP-06 Mouser Part # 490-HSS-B20-NP-06	Same Sky	Heat Sinks 19 x 19 x 9.52mm TO-220 bolt on Learn More about Same Sky cui heat sinks	Datasheet	1,845In Stock	¥117.9 ¥101.8 ¥97.2 ¥85 View ¥82.2 ¥79.2 ¥76.2 ¥76.1	Min.: 1 Mult.: 1	Heat Sinks	TO-220	Through Hole	Aluminum	Straight Fin	31.94 C/W	19 mm	19 mm	9.52 mm	Component
Heat Sinks 15 x 12.8 x 12.7mm TO-220 clip HSS-B20-NP-07 Same Sky 1: ¥124.6 1,710In Stock	Mfr. Part # HSS-B20-NP-07 Mouser Part # 490-HSS-B20-NP-07	Same Sky	Heat Sinks 15 x 12.8 x 12.7mm TO-220 clip Learn More about Same Sky cui heat sinks	Datasheet	1,710In Stock	¥124.6 ¥108.6 ¥103.8 ¥101 View ¥99.8 ¥95.2 ¥91.7 ¥88.4 ¥75.4	Min.: 1 Mult.: 1	Heat Sinks	TO-220	Panel	Aluminum	Formed Fin	37.62 C/W	15 mm	12.8 mm	12.7 mm	Component
Heat Sinks 36.83 x 17.8x21.59mm TO-220 bolt on HSS-B20-NP-12 Same Sky 1: ¥144.5 1,080In Stock 1,308On Order	Mfr. Part # HSS-B20-NP-12 Mouser Part # 490-HSS-B20-NP-12	Same Sky	Heat Sinks 36.83 x 17.8x21.59mm TO-220 bolt on Learn More about Same Sky cui heat sinks	Datasheet	1,080In Stock 1,308On Order On Order Ship Dates Mfr. #: HSS-B20-NP-12 Stock: 1,080 Can Ship Immediately On Order: 108 Pending 1,200 Expected 2/1/2027 Factory Lead-Time: 15 Weeks	¥144.5 ¥133.5 ¥127.6 ¥122.9 View ¥118.3 ¥111.1 ¥108 ¥102.6 ¥96	Min.: 1 Mult.: 1	Heat Sinks	TO-220	Panel	Aluminum	Straight Fin	14.33 C/W	36.83 mm	17.8 mm	21.59 mm	Component
Heat Sinks heat sink, stamping, TO-220, 12.7 x 26.2 HSS05-C20-SMT-TR Same Sky 1: ¥232.5 714In Stock 1,000Expected 1/19/2027	Mfr. Part # HSS05-C20-SMT-TR Mouser Part # 490-HSS05-C20-SMT-TR	Same Sky	Heat Sinks heat sink, stamping, TO-220, 12.7 x 26.2 Learn More about Same Sky cui heat sinks	Datasheet	714In Stock 1,000Expected 1/19/2027	Cut Tape ¥232.5 ¥207.6 ¥197.7 ¥191 Reel ¥174.4 View ¥184.4 ¥164.6 ¥149.8 ¥145.3	Min.: 1 Mult.: 1 : 250	Heat Sinks	TO-220	SMD/SMT	Aluminum Alloy	Formed Fin	39.9 C/W	26.2 mm	12.7 mm	9.906 mm	Component
Heat Sinks heat sink, stamping, TO-220, 21.66 x 13. HSS07-C20-P274 Same Sky 1: ¥307.3 121In Stock	Mfr. Part # HSS07-C20-P274 Mouser Part # 490-HSS07-C20-P274	Same Sky	Heat Sinks heat sink, stamping, TO-220, 21.66 x 13. Learn More about Same Sky cui heat sinks	Datasheet	121In Stock	¥307.3 ¥277.4 ¥267.4 ¥259.1 View ¥245.8 ¥232.5 ¥220.9 ¥215.9 ¥201	Min.: 1 Mult.: 1	Heat Sinks	TO-220	SMD/SMT	Aluminum Alloy	Formed Fin	35.5 C/W	21.66 mm	13.21 mm	13.08 mm	Component
Heat Sinks heat sink, stamping, TO-220, 29.97 x 25. HSS09-B20-P431 Same Sky 1: ¥181 805In Stock	Mfr. Part # HSS09-B20-P431 Mouser Part # 490-HSS09-B20-P431	Same Sky	Heat Sinks heat sink, stamping, TO-220, 29.97 x 25. Learn More about Same Sky cui heat sinks	Datasheet	805In Stock	¥181 ¥157.6 ¥152.3 ¥146.8 View ¥141 ¥132.9 ¥128.1 ¥126.4 ¥113.1	Min.: 1 Mult.: 1	Heat Sinks	TO-220	PCB	Aluminum Alloy	Formed Fin	22.9 C/W	29.97 mm	25.4 mm	12.7 mm	Component
Heat Sinks 19 x 12.8 x 12.7mm TO-220 solder pin HSS-B20-0953H-02 Same Sky 1: ¥144.5 9In Stock	Mfr. Part # HSS-B20-0953H-02 Mouser Part # 490-HSS-B20-0953H-02	Same Sky	Heat Sinks 19 x 12.8 x 12.7mm TO-220 solder pin Learn More about Same Sky cui heat sinks	Datasheet	9In Stock	¥144.5 ¥126.7 ¥120.9 ¥118.8 View ¥115.4 ¥106.8 ¥104.1 ¥101.5 ¥93.7	Min.: 1 Mult.: 1	Heat Sinks	TO-220	Panel	Aluminum	Formed Fin	30.86 C/W	19 mm	12.8 mm	12.7 mm	Component
Heat Sinks 19 x 22 x 11.2mm TO-220 slide in HSS-B20-NP-15 Same Sky 1: ¥182.7 3In Stock	Mfr. Part # HSS-B20-NP-15 Mouser Part # 490-HSS-B20-NP-15	Same Sky	Heat Sinks 19 x 22 x 11.2mm TO-220 slide in Learn More about Same Sky cui heat sinks	Datasheet	3In Stock	¥182.7 ¥160.3 ¥154.5 ¥146.8 View ¥138.7 ¥129.2 ¥124.1 ¥119.4 ¥109.3	Min.: 1 Mult.: 1	Heat Sinks	TO-220	Panel	Aluminum	Formed Fin	23.32 C/W	22 mm	15.9 mm	11.2 mm	Component