The Eaton DR inductor (Part Number: DR127-221-R) from Eaton Electronics is a high-performance power inductor designed for demanding electronic applications. Manufactured in China and RoHS compliant, this surface-mount device (SMD) offers reliable performance in compact form factors.
Key Features:
Inductance: 220 µH
Maximum Current: 1.29 A Irm
Magnetically shielded drum core construction for high efficiency
Suitable for use in DC-DC converters, noise filtering, and power supply circuits
Secure mounting with T&R package type
RoHS compliant
Technical Specifications:
Rated Inductance (μH)
OCL1 ±20% (μH)
I 2 rms (A)
I 3 sat (A) Peak
DCR4 (Ω) Typ.
Volt-μsec5 Typ.
220
223.3
0.52
0.53
1.05
53.5
Additional product details include storage and operating temperature ranges from -40°C to +125°C, and compliance with J-STD-020 solder reflow standards. The inductor is suitable for applications such as desktop and server power supplies, media players, portable devices, LCD panels, and various types of converters including buck, boost, and resonant types.
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{"id":10013516136765,"title":"DR127-221-R","handle":"dr127-221-r","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eEaton DR inductor\u003c\/strong\u003e (Part Number: DR127-221-R) from \u003cstrong\u003eEaton Electronics\u003c\/strong\u003e is a high-performance power inductor designed for demanding electronic applications. Manufactured in China and RoHS compliant, this surface-mount device (SMD) offers reliable performance in compact form factors.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInductance: 220 µH\u003c\/li\u003e\n\u003cli\u003eMaximum Current: 1.29 A Irm\u003c\/li\u003e\n\u003cli\u003eMagnetically shielded drum core construction for high efficiency\u003c\/li\u003e\n\u003cli\u003eSuitable for use in DC-DC converters, noise filtering, and power supply circuits\u003c\/li\u003e\n\u003cli\u003eSecure mounting with T\u0026amp;R package type\u003c\/li\u003e\n\u003cli\u003eRoHS compliant\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eTechnical Specifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eRated Inductance (μH)\u003c\/th\u003e\n\u003cth\u003eOCL1 ±20% (μH)\u003c\/th\u003e\n\u003cth\u003eI 2 rms (A)\u003c\/th\u003e\n\u003cth\u003eI 3 sat (A) Peak\u003c\/th\u003e\n\u003cth\u003eDCR4 (Ω) Typ.\u003c\/th\u003e\n\u003cth\u003eVolt-μsec5 Typ.\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e220\u003c\/td\u003e\n\u003ctd\u003e223.3\u003c\/td\u003e\n\u003ctd\u003e0.52\u003c\/td\u003e\n\u003ctd\u003e0.53\u003c\/td\u003e\n\u003ctd\u003e1.05\u003c\/td\u003e\n\u003ctd\u003e53.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003eAdditional product details include storage and operating temperature ranges from -40°C to +125°C, and compliance with J-STD-020 solder reflow standards. The inductor is suitable for applications such as desktop and server power supplies, media players, portable devices, LCD panels, and various types of converters including buck, boost, and resonant types.\u003c\/p\u003e\n\u003cp\u003eFor detailed technical data, download the datasheet here: \u003ca href=\"https:\/\/www.eaton.com\/content\/dam\/eaton\/products\/electronic-components\/resources\/data-sheet\/eaton-dr-high-power-density-high-efficiency-shielded-drum-core-power-inductors-data-sheet.pdf\" target=\"_blank\"\u003eEaton DR High Power Density Power Inductors Datasheet\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e DR127-221-R\u003cbr\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Eaton Electronics\u003cbr\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e CN\u003cbr\u003e\n\u003cstrong\u003eUOM:\u003c\/strong\u003e EA\u003cbr\u003e\n\u003cstrong\u003eECCN:\u003c\/strong\u003e EAR99\u003cbr\u003e\n\u003cstrong\u003ePackage Type:\u003c\/strong\u003e T\u0026amp;R\u003cbr\u003e\n\u003cstrong\u003eDatasheet URL:\u003c\/strong\u003e \u003ca href=\"https:\/\/www.eaton.com\/content\/dam\/eaton\/products\/electronic-components\/resources\/data-sheet\/eaton-dr-high-power-density-high-efficiency-shielded-drum-core-power-inductors-data-sheet.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\u003c\/p\u003e","published_at":"2025-08-10T18:13:27+05:30","created_at":"2025-08-10T18:13:27+05:30","vendor":"Waldom Electonics","type":"Inductors, Chokes \u0026 Coils","tags":["29 A","Chokes","Coils","DR","EATON-ELE","IMPORT_CSV","Inductor","Power","Smd","WLDM"],"price":10394,"price_min":10394,"price_max":10394,"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":50578515099965,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"DR127-221-R","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"DR127-221-R","public_title":null,"options":["Default Title"],"price":10394,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"DR127-221-R","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/44091674.jpg?v=1754829809"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/44091674.jpg?v=1754829809","options":["Title"],"media":[{"alt":null,"id":45763736863037,"position":1,"preview_image":{"aspect_ratio":1.401,"height":731,"width":1024,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/44091674.jpg?v=1754829809"},"aspect_ratio":1.401,"height":731,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/44091674.jpg?v=1754829809","width":1024}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eEaton DR inductor\u003c\/strong\u003e (Part Number: DR127-221-R) from \u003cstrong\u003eEaton Electronics\u003c\/strong\u003e is a high-performance power inductor designed for demanding electronic applications. Manufactured in China and RoHS compliant, this surface-mount device (SMD) offers reliable performance in compact form factors.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInductance: 220 µH\u003c\/li\u003e\n\u003cli\u003eMaximum Current: 1.29 A Irm\u003c\/li\u003e\n\u003cli\u003eMagnetically shielded drum core construction for high efficiency\u003c\/li\u003e\n\u003cli\u003eSuitable for use in DC-DC converters, noise filtering, and power supply circuits\u003c\/li\u003e\n\u003cli\u003eSecure mounting with T\u0026amp;R package type\u003c\/li\u003e\n\u003cli\u003eRoHS compliant\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eTechnical Specifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eRated Inductance (μH)\u003c\/th\u003e\n\u003cth\u003eOCL1 ±20% (μH)\u003c\/th\u003e\n\u003cth\u003eI 2 rms (A)\u003c\/th\u003e\n\u003cth\u003eI 3 sat (A) Peak\u003c\/th\u003e\n\u003cth\u003eDCR4 (Ω) Typ.\u003c\/th\u003e\n\u003cth\u003eVolt-μsec5 Typ.\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e220\u003c\/td\u003e\n\u003ctd\u003e223.3\u003c\/td\u003e\n\u003ctd\u003e0.52\u003c\/td\u003e\n\u003ctd\u003e0.53\u003c\/td\u003e\n\u003ctd\u003e1.05\u003c\/td\u003e\n\u003ctd\u003e53.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003eAdditional product details include storage and operating temperature ranges from -40°C to +125°C, and compliance with J-STD-020 solder reflow standards. The inductor is suitable for applications such as desktop and server power supplies, media players, portable devices, LCD panels, and various types of converters including buck, boost, and resonant types.\u003c\/p\u003e\n\u003cp\u003eFor detailed technical data, download the datasheet here: \u003ca href=\"https:\/\/www.eaton.com\/content\/dam\/eaton\/products\/electronic-components\/resources\/data-sheet\/eaton-dr-high-power-density-high-efficiency-shielded-drum-core-power-inductors-data-sheet.pdf\" target=\"_blank\"\u003eEaton DR High Power Density Power Inductors Datasheet\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e DR127-221-R\u003cbr\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Eaton Electronics\u003cbr\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e CN\u003cbr\u003e\n\u003cstrong\u003eUOM:\u003c\/strong\u003e EA\u003cbr\u003e\n\u003cstrong\u003eECCN:\u003c\/strong\u003e EAR99\u003cbr\u003e\n\u003cstrong\u003ePackage Type:\u003c\/strong\u003e T\u0026amp;R\u003cbr\u003e\n\u003cstrong\u003eDatasheet URL:\u003c\/strong\u003e \u003ca href=\"https:\/\/www.eaton.com\/content\/dam\/eaton\/products\/electronic-components\/resources\/data-sheet\/eaton-dr-high-power-density-high-efficiency-shielded-drum-core-power-inductors-data-sheet.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\u003c\/p\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.
