Part Number: DR74-3R3-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
Suitable for applications such as desktop and server power supplies, DVD/media players, portable devices, LCD panels, and DC-DC converters
Magnetically shielded to prevent interference
Secure mounting with ferrite core material
RoHS compliant
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.
DR74-3R3-R
3.30
3.54
3.31
4.22
0.0183
6.73
Additional Product Details
Effective September 2017
Storage and operating temperature range: -40°C to +125°C
Solder reflow temperature compliant with J-STD-020
Open Circuit Inductance Test Parameters: 100 kHz, 0.25 V rms, 0.0 Adc
Peak current for approximately 30% roll-off at +20°C
Designed for noise filtering and filter chokes in various electronic applications
For more detailed specifications, refer to the datasheet.
Disclaimers
Datasheet was not processed please search the internet for the part number for more details.
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{"id":10013545365821,"title":"DR74-3R3-R","handle":"dr74-3r3-r","description":"\u003ch3\u003ePower Inductor - SMD 3.3µH 5.4A 0.0183Ω\u003c\/h3\u003e\n\u003cp\u003ePart Number: DR74-3R3-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\u003eSuitable for applications such as desktop and server power supplies, DVD\/media players, portable devices, LCD panels, and DC-DC converters\u003c\/li\u003e\n\u003cli\u003eMagnetically shielded to prevent interference\u003c\/li\u003e\n\u003cli\u003eSecure mounting with ferrite core material\u003c\/li\u003e\n\u003cli\u003eRoHS compliant\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\u003eDR74-3R3-R\u003c\/td\u003e\n\u003ctd\u003e3.30\u003c\/td\u003e\n\u003ctd\u003e3.54\u003c\/td\u003e\n\u003ctd\u003e3.31\u003c\/td\u003e\n\u003ctd\u003e4.22\u003c\/td\u003e\n\u003ctd\u003e0.0183\u003c\/td\u003e\n\u003ctd\u003e6.73\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAdditional Product Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEffective September 2017\u003c\/li\u003e\n\u003cli\u003eStorage and operating temperature range: -40°C to +125°C\u003c\/li\u003e\n\u003cli\u003eSolder reflow temperature compliant with J-STD-020\u003c\/li\u003e\n\u003cli\u003eOpen Circuit Inductance Test Parameters: 100 kHz, 0.25 V rms, 0.0 Adc\u003c\/li\u003e\n\u003cli\u003ePeak current for approximately 30% roll-off at +20°C\u003c\/li\u003e\n\u003cli\u003eDesigned for noise filtering and filter chokes in various electronic applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor more detailed specifications, 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.\u003c\/p\u003e\n\n\u003ch3\u003eDisclaimers\u003c\/h3\u003e\n\u003cp\u003eDatasheet was not processed please search the internet for the part number for more details.\u003c\/p\u003e","published_at":"2025-08-10T18:38:02+05:30","created_at":"2025-08-10T18:38:03+05:30","vendor":"Waldom Electonics","type":"Inductors, Chokes \u0026 Coils","tags":["4A","Chokes","Coils","EATON-ELE","IMPORT_CSV","Inductor","Power","SMD","WLDM"],"price":12057,"price_min":12057,"price_max":12057,"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":50578580635965,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"DR74-3R3-R","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"DR74-3R3-R","public_title":null,"options":["Default Title"],"price":12057,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"DR74-3R3-R","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/DR74-3R3-R_44091688_832f16cd.jpg?v=1754831286"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/DR74-3R3-R_44091688_832f16cd.jpg?v=1754831286","options":["Title"],"media":[{"alt":null,"id":45763960308029,"position":1,"preview_image":{"aspect_ratio":1.0,"height":200,"width":200,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/DR74-3R3-R_44091688_832f16cd.jpg?v=1754831286"},"aspect_ratio":1.0,"height":200,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/DR74-3R3-R_44091688_832f16cd.jpg?v=1754831286","width":200}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003ePower Inductor - SMD 3.3µH 5.4A 0.0183Ω\u003c\/h3\u003e\n\u003cp\u003ePart Number: DR74-3R3-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\u003eSuitable for applications such as desktop and server power supplies, DVD\/media players, portable devices, LCD panels, and DC-DC converters\u003c\/li\u003e\n\u003cli\u003eMagnetically shielded to prevent interference\u003c\/li\u003e\n\u003cli\u003eSecure mounting with ferrite core material\u003c\/li\u003e\n\u003cli\u003eRoHS compliant\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\u003eDR74-3R3-R\u003c\/td\u003e\n\u003ctd\u003e3.30\u003c\/td\u003e\n\u003ctd\u003e3.54\u003c\/td\u003e\n\u003ctd\u003e3.31\u003c\/td\u003e\n\u003ctd\u003e4.22\u003c\/td\u003e\n\u003ctd\u003e0.0183\u003c\/td\u003e\n\u003ctd\u003e6.73\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAdditional Product Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEffective September 2017\u003c\/li\u003e\n\u003cli\u003eStorage and operating temperature range: -40°C to +125°C\u003c\/li\u003e\n\u003cli\u003eSolder reflow temperature compliant with J-STD-020\u003c\/li\u003e\n\u003cli\u003eOpen Circuit Inductance Test Parameters: 100 kHz, 0.25 V rms, 0.0 Adc\u003c\/li\u003e\n\u003cli\u003ePeak current for approximately 30% roll-off at +20°C\u003c\/li\u003e\n\u003cli\u003eDesigned for noise filtering and filter chokes in various electronic applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor more detailed specifications, 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.\u003c\/p\u003e\n\n\u003ch3\u003eDisclaimers\u003c\/h3\u003e\n\u003cp\u003eDatasheet was not processed please search the internet for the part number for more details.\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.
