Enhance your electronic designs with the Eaton Electronics DR1040-8R2-R Power Inductor, a high-performance shielded SMD component ideal for a variety of applications including power supplies, LED/LCD backlighting, HDTVs, and portable electronics.
Shielded drum core design for reduced electromagnetic interference (EMI)
Surface-mount (SMD) package with dimensions of 10.5 mm x 10.3 mm and a height of 4.0 mm
Ferrite core material ensuring high efficiency and stability
RoHS compliant, halogen-free, and lead-free for environmentally conscious applications
Operating temperature range from -40°C to +125°C
Solder reflow compatible (J-STD-020D)
Technical Specifications
Parameter
Value
Inductance
8.2 μH (±30%)
Maximum DCR
24 mΩ @ 20°C
Rated Current (I rms)
4.6 A
Peak Current (I sat)
6.4 A
Dimensions (mm)
10.5 x 10.3 x 4.0
Storage Temperature Range
-40°C to +125°C
Application Areas
LED and LCD backlighting
High definition televisions (HDTV)
Server and desktop power supplies
Portable electronics and graphics cards
Point-of-load (POL) modules
Printers and peripherals
Packaging & Additional Details
Supplied in tape and reel packaging, with 850 parts per 13” reel
Effective April 2016 technical data update
For more detailed specifications, refer to the datasheet. Please note, the datasheet was not processed; search the internet for the part number for additional details.
Disclaimer: Eaton products are not authorized for use in life support devices or systems without explicit approval. The company reserves the right to modify product designs and discontinue products without notice.
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{"id":10028052545853,"title":"DR1040-8R2-R","handle":"dr1040-8r2-r","description":"\u003ch3\u003ePower Inductor - SMD 8.2μH 4.6A 24mΩ\u003c\/h3\u003e\n\u003cp\u003eEnhance your electronic designs with the Eaton Electronics DR1040-8R2-R Power Inductor, a high-performance shielded SMD component ideal for a variety of applications including power supplies, LED\/LCD backlighting, HDTVs, and portable electronics.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e DR1040-8R2-R\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Eaton Electronics\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e CN\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnit of Measure:\u003c\/strong\u003e 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 Reel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDatasheet:\u003c\/strong\u003e \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-bs\/coi-dr1040-8r2-r.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eShielded drum core design for reduced electromagnetic interference (EMI)\u003c\/li\u003e\n\u003cli\u003eSurface-mount (SMD) package with dimensions of 10.5 mm x 10.3 mm and a height of 4.0 mm\u003c\/li\u003e\n\u003cli\u003eFerrite core material ensuring high efficiency and stability\u003c\/li\u003e\n\u003cli\u003eRoHS compliant, halogen-free, and lead-free for environmentally conscious applications\u003c\/li\u003e\n\u003cli\u003eOperating temperature range from -40°C to +125°C\u003c\/li\u003e\n\u003cli\u003eSolder reflow compatible (J-STD-020D)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"5\" cellspacing=\"0\"\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInductance\u003c\/td\u003e\n\u003ctd\u003e8.2 μH (±30%)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum DCR\u003c\/td\u003e\n\u003ctd\u003e24 mΩ @ 20°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Current (I rms)\u003c\/td\u003e\n\u003ctd\u003e4.6 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak Current (I sat)\u003c\/td\u003e\n\u003ctd\u003e6.4 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (mm)\u003c\/td\u003e\n\u003ctd\u003e10.5 x 10.3 x 4.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature Range\u003c\/td\u003e\n\u003ctd\u003e-40°C to +125°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eApplication Areas\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eLED and LCD backlighting\u003c\/li\u003e\n\u003cli\u003eHigh definition televisions (HDTV)\u003c\/li\u003e\n\u003cli\u003eServer and desktop power supplies\u003c\/li\u003e\n\u003cli\u003ePortable electronics and graphics cards\u003c\/li\u003e\n\u003cli\u003ePoint-of-load (POL) modules\u003c\/li\u003e\n\u003cli\u003ePrinters and peripherals\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePackaging \u0026amp; Additional Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSupplied in tape and reel packaging, with 850 parts per 13” reel\u003c\/li\u003e\n\u003cli\u003eEffective April 2016 technical data update\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor more detailed specifications, refer to the \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-bs\/coi-dr1040-8r2-r.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e. Please note, the datasheet was not processed; search the internet for the part number for additional details.\u003c\/p\u003e\n\u003cp\u003eDisclaimer: Eaton products are not authorized for use in life support devices or systems without explicit approval. The company reserves the right to modify product designs and discontinue products without notice.\u003c\/p\u003e\u003cbr\u003e","published_at":"2025-08-16T06:27:15+05:30","created_at":"2025-08-16T06:27:15+05:30","vendor":"Waldom Electonics","type":"Inductors, Chokes \u0026 Coils","tags":["6A","Chokes","Coils","EATON-ELE","IMPORT_CSV","IMPORT_PT2","Inductor","Power","SMD","WLDM"],"price":10533,"price_min":10533,"price_max":10533,"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":50626522677565,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"DR1040-8R2-R","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"DR1040-8R2-R","public_title":null,"options":["Default Title"],"price":10533,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"DR1040-8R2-R","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/DR1040-8R2-R_44654521_e331c4e1.jpg?v=1755305838"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/DR1040-8R2-R_44654521_e331c4e1.jpg?v=1755305838","options":["Title"],"media":[{"alt":null,"id":45863556219197,"position":1,"preview_image":{"aspect_ratio":1.0,"height":200,"width":200,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/DR1040-8R2-R_44654521_e331c4e1.jpg?v=1755305838"},"aspect_ratio":1.0,"height":200,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/DR1040-8R2-R_44654521_e331c4e1.jpg?v=1755305838","width":200}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003ePower Inductor - SMD 8.2μH 4.6A 24mΩ\u003c\/h3\u003e\n\u003cp\u003eEnhance your electronic designs with the Eaton Electronics DR1040-8R2-R Power Inductor, a high-performance shielded SMD component ideal for a variety of applications including power supplies, LED\/LCD backlighting, HDTVs, and portable electronics.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e DR1040-8R2-R\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Eaton Electronics\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e CN\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnit of Measure:\u003c\/strong\u003e 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 Reel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDatasheet:\u003c\/strong\u003e \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-bs\/coi-dr1040-8r2-r.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eShielded drum core design for reduced electromagnetic interference (EMI)\u003c\/li\u003e\n\u003cli\u003eSurface-mount (SMD) package with dimensions of 10.5 mm x 10.3 mm and a height of 4.0 mm\u003c\/li\u003e\n\u003cli\u003eFerrite core material ensuring high efficiency and stability\u003c\/li\u003e\n\u003cli\u003eRoHS compliant, halogen-free, and lead-free for environmentally conscious applications\u003c\/li\u003e\n\u003cli\u003eOperating temperature range from -40°C to +125°C\u003c\/li\u003e\n\u003cli\u003eSolder reflow compatible (J-STD-020D)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"5\" cellspacing=\"0\"\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInductance\u003c\/td\u003e\n\u003ctd\u003e8.2 μH (±30%)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum DCR\u003c\/td\u003e\n\u003ctd\u003e24 mΩ @ 20°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Current (I rms)\u003c\/td\u003e\n\u003ctd\u003e4.6 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak Current (I sat)\u003c\/td\u003e\n\u003ctd\u003e6.4 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (mm)\u003c\/td\u003e\n\u003ctd\u003e10.5 x 10.3 x 4.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature Range\u003c\/td\u003e\n\u003ctd\u003e-40°C to +125°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eApplication Areas\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eLED and LCD backlighting\u003c\/li\u003e\n\u003cli\u003eHigh definition televisions (HDTV)\u003c\/li\u003e\n\u003cli\u003eServer and desktop power supplies\u003c\/li\u003e\n\u003cli\u003ePortable electronics and graphics cards\u003c\/li\u003e\n\u003cli\u003ePoint-of-load (POL) modules\u003c\/li\u003e\n\u003cli\u003ePrinters and peripherals\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePackaging \u0026amp; Additional Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSupplied in tape and reel packaging, with 850 parts per 13” reel\u003c\/li\u003e\n\u003cli\u003eEffective April 2016 technical data update\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor more detailed specifications, refer to the \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-bs\/coi-dr1040-8r2-r.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e. Please note, the datasheet was not processed; search the internet for the part number for additional details.\u003c\/p\u003e\n\u003cp\u003eDisclaimer: Eaton products are not authorized for use in life support devices or systems without explicit approval. The company reserves the right to modify product designs and discontinue products without notice.\u003c\/p\u003e\u003cbr\u003e"}
Unfortunately I havent tested the 5G, Only difficult part was connecting antennas. But everything is good, by default it runs on Qualcom's QMI mode, Had to switch to MBIM and it works good with Windows. Planning to run with OpenWRT soon.
