Heat Sink 25.4x35x12.7mm with Pin Extrusion for TO-220
Enhance your electronic device's thermal management with the SAME SKY Heat Sink, designed specifically for TO-220 packages. This high-quality extruded aluminum heatsink features secure PCB attachment pins and a round hole for reliable component mounting, ensuring optimal heat dissipation and system stability.
Designed for TO-220 package with placement pins for secure PCB attachment
Includes a round hole for additional component attachment
Available in multiple cut lengths, including 25.4 mm and 38.1 mm
Constructed from anodized aluminum for durability and corrosion resistance
Steel pin material with tin plating for reliable mounting
Thermal Performance
Power Dissipation (W)
Temperature Rise Above Ambient (°C)
Natural Convection
200 LFM
400 LFM
0
0
0
0
0
1
17.13
8.36
6.41
—
2
32.20
17.46
11.75
—
3
45.00
24.87
17.28
—
4
58.12
32.88
23.43
—
5
69.84
40.99
29.16
—
6
80.93
48.89
34.64
—
7
91.01
56.79
40.37
—
8
99.56
65.43
46.09
—
9
110.81
72.66
52.01
—
10
118.44
82.03
57.73
—
Mechanical Specifications
Length: 25.4 mm (model HSE-B20254-056H), 38.1 mm (model HSE-B20381-056H)
Weight: 11.33 g (25.4 mm), 16.67 g (38.1 mm)
Material: Aluminum 6063-T5 with black anodized finish
Pin Material: Steel with tin plating
Mounting hole: Not present on 25.4 mm length model
Mechanical Drawing & Dimensions
Refer to the datasheet for detailed mechanical drawings and dimensions.
Additional Information
Same Sky offers a one (1) year limited warranty. Please visit our website for complete warranty details. The product is compliant with RoHS standards and is classified under ECCN EAR99. Custom cut lengths are available; however, thermal data may vary for custom sizes. For more detailed specifications and updates, please consult the datasheet linked above.
Note: The datasheet was not processed; please search the internet for the part number for more details.
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{"id":10024723513661,"title":"HSE-B20254-056H","handle":"hse-b20254-056h","description":"\u003ch3\u003eHeat Sink 25.4x35x12.7mm with Pin Extrusion for TO-220\u003c\/h3\u003e\n\u003cp\u003eEnhance your electronic device's thermal management with the \u003cstrong\u003eSAME SKY\u003c\/strong\u003e Heat Sink, designed specifically for TO-220 packages. This high-quality extruded aluminum heatsink features secure PCB attachment pins and a round hole for reliable component mounting, ensuring optimal heat dissipation and system stability.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e HSE-B20254-056H\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e SAME SKY\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Taiwan (TW)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnit of Measure:\u003c\/strong\u003e Each (EA)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eECCN:\u003c\/strong\u003e EAR99\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Type:\u003c\/strong\u003e Black (BLK)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Category:\u003c\/strong\u003e Thermal Management | Heat Sinks\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Thermal Management\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoHS Compliant:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDatasheet:\u003c\/strong\u003e \u003ca href=\"https:\/\/www.cuidevices.com\/product\/resource\/masterpdf\/hse-bx-056h.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for TO-220 package with placement pins for secure PCB attachment\u003c\/li\u003e\n\u003cli\u003eIncludes a round hole for additional component attachment\u003c\/li\u003e\n\u003cli\u003eAvailable in multiple cut lengths, including 25.4 mm and 38.1 mm\u003c\/li\u003e\n\u003cli\u003eConstructed from anodized aluminum for durability and corrosion resistance\u003c\/li\u003e\n\u003cli\u003eSteel pin material with tin plating for reliable mounting\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eThermal Performance\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003ePower Dissipation (W)\u003c\/th\u003e\n\u003cth\u003eTemperature Rise Above Ambient (°C)\u003c\/th\u003e\n\u003cth\u003eNatural Convection\u003c\/th\u003e\n\u003cth\u003e200 LFM\u003c\/th\u003e\n\u003cth\u003e400 LFM\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e0\u003c\/td\u003e\n\u003ctd\u003e0\u003c\/td\u003e\n\u003ctd\u003e0\u003c\/td\u003e\n\u003ctd\u003e0\u003c\/td\u003e\n\u003ctd\u003e0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003e17.13\u003c\/td\u003e\n\u003ctd\u003e8.36\u003c\/td\u003e\n\u003ctd\u003e6.41\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003e32.20\u003c\/td\u003e\n\u003ctd\u003e17.46\u003c\/td\u003e\n\u003ctd\u003e11.75\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003e45.00\u003c\/td\u003e\n\u003ctd\u003e24.87\u003c\/td\u003e\n\u003ctd\u003e17.28\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003ctd\u003e58.12\u003c\/td\u003e\n\u003ctd\u003e32.88\u003c\/td\u003e\n\u003ctd\u003e23.43\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003ctd\u003e69.84\u003c\/td\u003e\n\u003ctd\u003e40.99\u003c\/td\u003e\n\u003ctd\u003e29.16\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e6\u003c\/td\u003e\n\u003ctd\u003e80.93\u003c\/td\u003e\n\u003ctd\u003e48.89\u003c\/td\u003e\n\u003ctd\u003e34.64\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e7\u003c\/td\u003e\n\u003ctd\u003e91.01\u003c\/td\u003e\n\u003ctd\u003e56.79\u003c\/td\u003e\n\u003ctd\u003e40.37\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003ctd\u003e99.56\u003c\/td\u003e\n\u003ctd\u003e65.43\u003c\/td\u003e\n\u003ctd\u003e46.09\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e9\u003c\/td\u003e\n\u003ctd\u003e110.81\u003c\/td\u003e\n\u003ctd\u003e72.66\u003c\/td\u003e\n\u003ctd\u003e52.01\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003ctd\u003e118.44\u003c\/td\u003e\n\u003ctd\u003e82.03\u003c\/td\u003e\n\u003ctd\u003e57.73\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eMechanical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eLength: 25.4 mm (model HSE-B20254-056H), 38.1 mm (model HSE-B20381-056H)\u003c\/li\u003e\n\u003cli\u003eWeight: 11.33 g (25.4 mm), 16.67 g (38.1 mm)\u003c\/li\u003e\n\u003cli\u003eMaterial: Aluminum 6063-T5 with black anodized finish\u003c\/li\u003e\n\u003cli\u003ePin Material: Steel with tin plating\u003c\/li\u003e\n\u003cli\u003eMounting hole: Not present on 25.4 mm length model\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eMechanical Drawing \u0026amp; Dimensions\u003c\/h3\u003e\n\u003cp\u003eRefer to the \u003ca href=\"https:\/\/www.cuidevices.com\/product\/resource\/masterpdf\/hse-bx-056h.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e for detailed mechanical drawings and dimensions.\u003c\/p\u003e\n\u003ch3\u003eAdditional Information\u003c\/h3\u003e\n\u003cp\u003eSame Sky offers a one (1) year limited warranty. Please visit our website for complete warranty details. The product is compliant with RoHS standards and is classified under ECCN EAR99. Custom cut lengths are available; however, thermal data may vary for custom sizes. For more detailed specifications and updates, please consult the datasheet linked above.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNote: The datasheet was not processed; please search the internet for the part number for more details.\u003c\/em\u003e\u003c\/p\u003e\u003cbr\u003e","published_at":"2025-08-14T10:56:01+05:30","created_at":"2025-08-14T10:56:01+05:30","vendor":"Waldom Electonics","type":"Thermal Management","tags":["7mm","Heat","IMPORT_CSV","SAME","Thermal","TO","WLDM"],"price":7761,"price_min":7761,"price_max":7761,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":50618890551613,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"HSE-B20254-056H","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"HSE-B20254-056H","public_title":null,"options":["Default Title"],"price":7761,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"HSE-B20254-056H","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/HSE-B20254-056H_52141655_0c9187c9.jpg?v=1755149164"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/HSE-B20254-056H_52141655_0c9187c9.jpg?v=1755149164","options":["Title"],"media":[{"alt":null,"id":45831694975293,"position":1,"preview_image":{"aspect_ratio":1.0,"height":200,"width":200,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/HSE-B20254-056H_52141655_0c9187c9.jpg?v=1755149164"},"aspect_ratio":1.0,"height":200,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/HSE-B20254-056H_52141655_0c9187c9.jpg?v=1755149164","width":200}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eHeat Sink 25.4x35x12.7mm with Pin Extrusion for TO-220\u003c\/h3\u003e\n\u003cp\u003eEnhance your electronic device's thermal management with the \u003cstrong\u003eSAME SKY\u003c\/strong\u003e Heat Sink, designed specifically for TO-220 packages. This high-quality extruded aluminum heatsink features secure PCB attachment pins and a round hole for reliable component mounting, ensuring optimal heat dissipation and system stability.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e HSE-B20254-056H\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e SAME SKY\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Taiwan (TW)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnit of Measure:\u003c\/strong\u003e Each (EA)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eECCN:\u003c\/strong\u003e EAR99\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Type:\u003c\/strong\u003e Black (BLK)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Category:\u003c\/strong\u003e Thermal Management | Heat Sinks\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Thermal Management\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoHS Compliant:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDatasheet:\u003c\/strong\u003e \u003ca href=\"https:\/\/www.cuidevices.com\/product\/resource\/masterpdf\/hse-bx-056h.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for TO-220 package with placement pins for secure PCB attachment\u003c\/li\u003e\n\u003cli\u003eIncludes a round hole for additional component attachment\u003c\/li\u003e\n\u003cli\u003eAvailable in multiple cut lengths, including 25.4 mm and 38.1 mm\u003c\/li\u003e\n\u003cli\u003eConstructed from anodized aluminum for durability and corrosion resistance\u003c\/li\u003e\n\u003cli\u003eSteel pin material with tin plating for reliable mounting\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eThermal Performance\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003ePower Dissipation (W)\u003c\/th\u003e\n\u003cth\u003eTemperature Rise Above Ambient (°C)\u003c\/th\u003e\n\u003cth\u003eNatural Convection\u003c\/th\u003e\n\u003cth\u003e200 LFM\u003c\/th\u003e\n\u003cth\u003e400 LFM\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e0\u003c\/td\u003e\n\u003ctd\u003e0\u003c\/td\u003e\n\u003ctd\u003e0\u003c\/td\u003e\n\u003ctd\u003e0\u003c\/td\u003e\n\u003ctd\u003e0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003e17.13\u003c\/td\u003e\n\u003ctd\u003e8.36\u003c\/td\u003e\n\u003ctd\u003e6.41\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003e32.20\u003c\/td\u003e\n\u003ctd\u003e17.46\u003c\/td\u003e\n\u003ctd\u003e11.75\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003e45.00\u003c\/td\u003e\n\u003ctd\u003e24.87\u003c\/td\u003e\n\u003ctd\u003e17.28\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003ctd\u003e58.12\u003c\/td\u003e\n\u003ctd\u003e32.88\u003c\/td\u003e\n\u003ctd\u003e23.43\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003ctd\u003e69.84\u003c\/td\u003e\n\u003ctd\u003e40.99\u003c\/td\u003e\n\u003ctd\u003e29.16\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e6\u003c\/td\u003e\n\u003ctd\u003e80.93\u003c\/td\u003e\n\u003ctd\u003e48.89\u003c\/td\u003e\n\u003ctd\u003e34.64\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e7\u003c\/td\u003e\n\u003ctd\u003e91.01\u003c\/td\u003e\n\u003ctd\u003e56.79\u003c\/td\u003e\n\u003ctd\u003e40.37\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003ctd\u003e99.56\u003c\/td\u003e\n\u003ctd\u003e65.43\u003c\/td\u003e\n\u003ctd\u003e46.09\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e9\u003c\/td\u003e\n\u003ctd\u003e110.81\u003c\/td\u003e\n\u003ctd\u003e72.66\u003c\/td\u003e\n\u003ctd\u003e52.01\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003ctd\u003e118.44\u003c\/td\u003e\n\u003ctd\u003e82.03\u003c\/td\u003e\n\u003ctd\u003e57.73\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eMechanical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eLength: 25.4 mm (model HSE-B20254-056H), 38.1 mm (model HSE-B20381-056H)\u003c\/li\u003e\n\u003cli\u003eWeight: 11.33 g (25.4 mm), 16.67 g (38.1 mm)\u003c\/li\u003e\n\u003cli\u003eMaterial: Aluminum 6063-T5 with black anodized finish\u003c\/li\u003e\n\u003cli\u003ePin Material: Steel with tin plating\u003c\/li\u003e\n\u003cli\u003eMounting hole: Not present on 25.4 mm length model\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eMechanical Drawing \u0026amp; Dimensions\u003c\/h3\u003e\n\u003cp\u003eRefer to the \u003ca href=\"https:\/\/www.cuidevices.com\/product\/resource\/masterpdf\/hse-bx-056h.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e for detailed mechanical drawings and dimensions.\u003c\/p\u003e\n\u003ch3\u003eAdditional Information\u003c\/h3\u003e\n\u003cp\u003eSame Sky offers a one (1) year limited warranty. Please visit our website for complete warranty details. The product is compliant with RoHS standards and is classified under ECCN EAR99. Custom cut lengths are available; however, thermal data may vary for custom sizes. For more detailed specifications and updates, please consult the datasheet linked above.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNote: The datasheet was not processed; please search the internet for the part number for more details.\u003c\/em\u003e\u003c\/p\u003e\u003cbr\u003e"}
