Enhance your electronic device's thermal management with the SAME SKY HSS-B20-NP-04 heat sink, designed specifically for TO-220 packages. This high-quality, black anodized heat sink provides efficient heat dissipation to ensure optimal performance and reliability of your electronic components.
Designed for TO-220 packages with a round hole for component attachment
Includes two hole options for longer component pins
Black anodized finish for durability and corrosion resistance
Mechanical dimensions: 36.83 x 44.5 x 9.4 mm
Lightweight at approximately 5.7 grams
Thermal Performance
Thermal Resistance (°C/W)
Natural Convection
200 LFM
400 LFM
ΔT at 75°C
11.54
3.76
2.74
Performance curves indicate the heatsink's ability to dissipate power efficiently under various airflow conditions, with thermal resistance improving at higher airflow rates.
Same Sky offers a one (1) year limited warranty. The product is not authorized or warranted for use as a critical component in life support devices or systems. Please refer to the warranty details on our website for more information.
Note: The datasheet was not processed; please search the internet for the part number HSS-B20-NP-04 for more details.
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{"id":10018750038333,"title":"HSS-B20-NP-04","handle":"hss-b20-np-04","description":"\u003ch3\u003eHeat Sink Stamp TO-220 - HSS-B20-NP-04\u003c\/h3\u003e\n\u003cp\u003eEnhance your electronic device's thermal management with the \u003cstrong\u003eSAME SKY\u003c\/strong\u003e HSS-B20-NP-04 heat sink, designed specifically for TO-220 packages. This high-quality, black anodized heat sink provides efficient heat dissipation to ensure optimal performance and reliability of your electronic components.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e HSS-B20-NP-04\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eManufacturer:\u003c\/strong\u003e SAME SKY\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e TW (Taiwan)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eUnit of Measure:\u003c\/strong\u003e EA\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eECCN:\u003c\/strong\u003e EAR99\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePackage Type:\u003c\/strong\u003e BLK\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDatasheet:\u003c\/strong\u003e \u003ca href=\"https:\/\/www.cuidevices.com\/product\/resource\/masterpdf\/hss-b20-np-04.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\u003c\/p\u003e\n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eDesigned for TO-220 packages with a round hole for component attachment\u003c\/li\u003e\n \u003cli\u003eIncludes two hole options for longer component pins\u003c\/li\u003e\n \u003cli\u003eBlack anodized finish for durability and corrosion resistance\u003c\/li\u003e\n \u003cli\u003eMechanical dimensions: 36.83 x 44.5 x 9.4 mm\u003c\/li\u003e\n \u003cli\u003eLightweight at approximately 5.7 grams\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eThermal Performance\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eThermal Resistance (°C\/W)\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 \u003ctr\u003e\n \u003ctd\u003eΔT at 75°C\u003c\/td\u003e\n \u003ctd\u003e11.54\u003c\/td\u003e\n \u003ctd\u003e3.76\u003c\/td\u003e\n \u003ctd\u003e2.74\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003ePerformance curves indicate the heatsink's ability to dissipate power efficiently under various airflow conditions, with thermal resistance improving at higher airflow rates.\u003c\/p\u003e\n\n\u003ch3\u003eMechanical Drawing \u0026amp; Dimensions\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eMaterial: AL1050\u003c\/li\u003e\n \u003cli\u003eFinish: Black anodized\u003c\/li\u003e\n \u003cli\u003eThickness: 1.0 mm\u003c\/li\u003e\n \u003cli\u003eDimensions: 36.83 x 44.5 x 9.4 mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAdditional Resources\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003e\u003ca href=\"https:\/\/www.sameskydevices.com\/news\/press-releases\/cui-devices-has-a-new-name-say-hello-to-same-sky\" target=\"_blank\"\u003eLearn More\u003c\/a\u003e\u003c\/li\u003e\n \u003cli\u003e\u003ca href=\"https:\/\/www.sameskydevices.com\/track?actionLabel=Datasheet-ClickThrough-ProductPage\u0026amp;label=HSS-B20-NP-04.pdf\u0026amp;path=%2fproduct%2fthermal-management%2fheat-sinks%2fboard-level-heat-sinks%2fstamped-heat-sinks%2fhss-b20-np-04\" target=\"_blank\"\u003eProduct Page\u003c\/a\u003e\u003c\/li\u003e\n \u003cli\u003e\u003ca href=\"https:\/\/www.sameskydevices.com\/track?actionLabel=Datasheet-ClickThrough-3dmodel\u0026amp;label=HSS-B20-NP-04.pdf\u0026amp;path=%2fproduct%2fresource%2f3dmodel%2fhss-b20-np-04\" target=\"_blank\"\u003e3D Model\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eDisclaimers\u003c\/h3\u003e\n\u003cp\u003eSame Sky offers a one (1) year limited warranty. The product is not authorized or warranted for use as a critical component in life support devices or systems. Please refer to the warranty details on our website for more information.\u003c\/p\u003e\n\n\u003cp\u003eNote: The datasheet was not processed; please search the internet for the part number \u003cstrong\u003eHSS-B20-NP-04\u003c\/strong\u003e for more details.\u003c\/p\u003e","published_at":"2025-08-11T12:27:21+05:30","created_at":"2025-08-11T12:27:21+05:30","vendor":"Waldom Electonics","type":"Thermal Management","tags":["4mm","Heat","IMPORT_CSV","SAME","Thermal","TO","WLDM"],"price":4574,"price_min":4574,"price_max":4574,"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":50603723096381,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"HSS-B20-NP-04","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"HSS-B20-NP-04","public_title":null,"options":["Default Title"],"price":4574,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"HSS-B20-NP-04","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/HSS-B20-NP-04_52141713_002a871a.jpg?v=1754895444"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/HSS-B20-NP-04_52141713_002a871a.jpg?v=1754895444","options":["Title"],"media":[{"alt":null,"id":45779403768125,"position":1,"preview_image":{"aspect_ratio":1.0,"height":200,"width":200,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/HSS-B20-NP-04_52141713_002a871a.jpg?v=1754895444"},"aspect_ratio":1.0,"height":200,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/HSS-B20-NP-04_52141713_002a871a.jpg?v=1754895444","width":200}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eHeat Sink Stamp TO-220 - HSS-B20-NP-04\u003c\/h3\u003e\n\u003cp\u003eEnhance your electronic device's thermal management with the \u003cstrong\u003eSAME SKY\u003c\/strong\u003e HSS-B20-NP-04 heat sink, designed specifically for TO-220 packages. This high-quality, black anodized heat sink provides efficient heat dissipation to ensure optimal performance and reliability of your electronic components.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e HSS-B20-NP-04\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eManufacturer:\u003c\/strong\u003e SAME SKY\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e TW (Taiwan)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eUnit of Measure:\u003c\/strong\u003e EA\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eECCN:\u003c\/strong\u003e EAR99\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePackage Type:\u003c\/strong\u003e BLK\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDatasheet:\u003c\/strong\u003e \u003ca href=\"https:\/\/www.cuidevices.com\/product\/resource\/masterpdf\/hss-b20-np-04.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\u003c\/p\u003e\n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eDesigned for TO-220 packages with a round hole for component attachment\u003c\/li\u003e\n \u003cli\u003eIncludes two hole options for longer component pins\u003c\/li\u003e\n \u003cli\u003eBlack anodized finish for durability and corrosion resistance\u003c\/li\u003e\n \u003cli\u003eMechanical dimensions: 36.83 x 44.5 x 9.4 mm\u003c\/li\u003e\n \u003cli\u003eLightweight at approximately 5.7 grams\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eThermal Performance\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eThermal Resistance (°C\/W)\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 \u003ctr\u003e\n \u003ctd\u003eΔT at 75°C\u003c\/td\u003e\n \u003ctd\u003e11.54\u003c\/td\u003e\n \u003ctd\u003e3.76\u003c\/td\u003e\n \u003ctd\u003e2.74\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003ePerformance curves indicate the heatsink's ability to dissipate power efficiently under various airflow conditions, with thermal resistance improving at higher airflow rates.\u003c\/p\u003e\n\n\u003ch3\u003eMechanical Drawing \u0026amp; Dimensions\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eMaterial: AL1050\u003c\/li\u003e\n \u003cli\u003eFinish: Black anodized\u003c\/li\u003e\n \u003cli\u003eThickness: 1.0 mm\u003c\/li\u003e\n \u003cli\u003eDimensions: 36.83 x 44.5 x 9.4 mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAdditional Resources\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003e\u003ca href=\"https:\/\/www.sameskydevices.com\/news\/press-releases\/cui-devices-has-a-new-name-say-hello-to-same-sky\" target=\"_blank\"\u003eLearn More\u003c\/a\u003e\u003c\/li\u003e\n \u003cli\u003e\u003ca href=\"https:\/\/www.sameskydevices.com\/track?actionLabel=Datasheet-ClickThrough-ProductPage\u0026amp;label=HSS-B20-NP-04.pdf\u0026amp;path=%2fproduct%2fthermal-management%2fheat-sinks%2fboard-level-heat-sinks%2fstamped-heat-sinks%2fhss-b20-np-04\" target=\"_blank\"\u003eProduct Page\u003c\/a\u003e\u003c\/li\u003e\n \u003cli\u003e\u003ca href=\"https:\/\/www.sameskydevices.com\/track?actionLabel=Datasheet-ClickThrough-3dmodel\u0026amp;label=HSS-B20-NP-04.pdf\u0026amp;path=%2fproduct%2fresource%2f3dmodel%2fhss-b20-np-04\" target=\"_blank\"\u003e3D Model\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eDisclaimers\u003c\/h3\u003e\n\u003cp\u003eSame Sky offers a one (1) year limited warranty. The product is not authorized or warranted for use as a critical component in life support devices or systems. Please refer to the warranty details on our website for more information.\u003c\/p\u003e\n\n\u003cp\u003eNote: The datasheet was not processed; please search the internet for the part number \u003cstrong\u003eHSS-B20-NP-04\u003c\/strong\u003e for more details.\u003c\/p\u003e"}
