Part Number: DR74-221-R
Manufacturer: EATON ELECTRONICS
Country of Origin: CN
Unit of Measure: EA
ECCN: EAR99
Package Type: REEL
Datasheet: Download Datasheet
Product Features
High power density and high efficiency shielded drum core design
Inductance of 220 µH with a maximum current rating of 0.66A
Magnetically shielded ferrite core for reduced electromagnetic interference
Secure mounting suitable for surface-mount applications
Available in a reel package for automated assembly
Technical Specifications
Part Number
Rated Inductance (μH)
OCL1 ±20% (μH)
I 2 rms (A)
I 3 sat (A) Peak
DCR4 (Ω) Typ.
Volt-μsec5 Typ.
DR74-221-R
220
223.3
0.52
0.53
1.05
53.5
Environmental & Operating Conditions
Storage Temperature Range: -40°C to +125°C
Operating Temperature Range: -40°C to +125°C (ambient plus self-temperature rise)
Solder Reflow Temperature: Compliant with J-STD-020 (latest revision)
For more detailed specifications, please refer to the datasheet. Please search the internet for the part number DR74-221-R for additional information and updates.
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.
{"id":10023970373949,"title":"DR74-221-R","handle":"dr74-221-r","description":"\u003ch3\u003ePower Inductors - SMD 220uH 0.66A 0.907ohms\u003c\/h3\u003e\n\u003cp\u003ePart Number: DR74-221-R\u003cbr\u003e\nManufacturer: EATON ELECTRONICS\u003cbr\u003e\nCountry of Origin: CN\u003cbr\u003e\nUnit of Measure: EA\u003cbr\u003e\nECCN: EAR99\u003cbr\u003e\nPackage Type: REEL\u003cbr\u003e\nDatasheet: \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\n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHigh power density and high efficiency shielded drum core design\u003c\/li\u003e\n\u003cli\u003eInductance of 220 µH with a maximum current rating of 0.66A\u003c\/li\u003e\n\u003cli\u003eMagnetically shielded ferrite core for reduced electromagnetic interference\u003c\/li\u003e\n\u003cli\u003eSecure mounting suitable for surface-mount applications\u003c\/li\u003e\n\u003cli\u003eAvailable in a reel package for automated assembly\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart Number\u003c\/th\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\u003eDR74-221-R\u003c\/td\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\n\u003ch3\u003eEnvironmental \u0026amp; Operating Conditions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eStorage Temperature Range: -40°C to +125°C\u003c\/li\u003e\n\u003cli\u003eOperating Temperature Range: -40°C to +125°C (ambient plus self-temperature rise)\u003c\/li\u003e\n\u003cli\u003eSolder Reflow Temperature: Compliant with J-STD-020 (latest revision)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAdditional Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEffective September 2017\u003c\/li\u003e\n\u003cli\u003eProduct category: Inductors, Chokes \u0026amp; Coils | Power Inductors - SMD\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor more detailed specifications, please refer to the \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\"\u003edatasheet\u003c\/a\u003e. Please search the internet for the part number DR74-221-R for additional information and updates.\u003c\/p\u003e\u003cbr\u003e","published_at":"2025-08-14T00:11:10+05:30","created_at":"2025-08-14T00:11:10+05:30","vendor":"Waldom Electonics","type":"Inductors, Chokes \u0026 Coils","tags":["66A","Chokes","Coils","EATON-ELE","IMPORT_CSV","Inductor","Power","SMD","WLDM"],"price":12889,"price_min":12889,"price_max":12889,"available":false,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":50617191203133,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"DR74-221-R","requires_shipping":true,"taxable":true,"featured_image":null,"available":false,"name":"DR74-221-R","public_title":null,"options":["Default Title"],"price":12889,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"DR74-221-R","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/DR74-221-R_42817211_6218755d.jpg?v=1755110474"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/DR74-221-R_42817211_6218755d.jpg?v=1755110474","options":["Title"],"media":[{"alt":null,"id":45824570097981,"position":1,"preview_image":{"aspect_ratio":0.88,"height":200,"width":176,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/DR74-221-R_42817211_6218755d.jpg?v=1755110474"},"aspect_ratio":0.88,"height":200,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/DR74-221-R_42817211_6218755d.jpg?v=1755110474","width":176}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003ePower Inductors - SMD 220uH 0.66A 0.907ohms\u003c\/h3\u003e\n\u003cp\u003ePart Number: DR74-221-R\u003cbr\u003e\nManufacturer: EATON ELECTRONICS\u003cbr\u003e\nCountry of Origin: CN\u003cbr\u003e\nUnit of Measure: EA\u003cbr\u003e\nECCN: EAR99\u003cbr\u003e\nPackage Type: REEL\u003cbr\u003e\nDatasheet: \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\n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHigh power density and high efficiency shielded drum core design\u003c\/li\u003e\n\u003cli\u003eInductance of 220 µH with a maximum current rating of 0.66A\u003c\/li\u003e\n\u003cli\u003eMagnetically shielded ferrite core for reduced electromagnetic interference\u003c\/li\u003e\n\u003cli\u003eSecure mounting suitable for surface-mount applications\u003c\/li\u003e\n\u003cli\u003eAvailable in a reel package for automated assembly\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart Number\u003c\/th\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\u003eDR74-221-R\u003c\/td\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\n\u003ch3\u003eEnvironmental \u0026amp; Operating Conditions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eStorage Temperature Range: -40°C to +125°C\u003c\/li\u003e\n\u003cli\u003eOperating Temperature Range: -40°C to +125°C (ambient plus self-temperature rise)\u003c\/li\u003e\n\u003cli\u003eSolder Reflow Temperature: Compliant with J-STD-020 (latest revision)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAdditional Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEffective September 2017\u003c\/li\u003e\n\u003cli\u003eProduct category: Inductors, Chokes \u0026amp; Coils | Power Inductors - SMD\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor more detailed specifications, please refer to the \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\"\u003edatasheet\u003c\/a\u003e. Please search the internet for the part number DR74-221-R for additional information and updates.\u003c\/p\u003e\u003cbr\u003e"}
