Product Description: EATON ELECTRONICS IND SHLD DRM 330uH 0.54A SMT
Part Number: DRQ74-331-R
Manufacturer: EATON ELECTRONICS
Country of Origin: CN
Unit of Measure: Each (EA)
ECCN: EAR99
Package Type: Reel
Datasheet: Download Datasheet
Overview
The DRQ74-331-R is a high-performance, shielded drum core power inductor designed for a wide range of electronic applications including DC-DC converters, VRM power supplies, and filtering in desktop, server, portable devices, and media players. Its dual winding configuration allows versatile use as either a single inductor or a coupled inductor/transformer with a 1:1 turns ratio.
Key Features
Dual winding inductors suitable for single or coupled inductor applications
Available in four sizes with shielded drum core construction
Windings can be connected in series or parallel for customizable inductance and current ratings
Peak current ratings from 0.13 A to 56 A
RMS current ratings up to 17.9 A
Inductance range from 0.33 µH to 4.02 mH
200 Vac isolation between windings
Ferrite core material for high efficiency
RoHS compliant
Suitable for high power density applications in compact designs
Technical Specifications
Part Number
Rated Inductance (µH)
OCL1 ±20% (µH)
I 2 rms (A)
I 3 sat (A) Peak
DCR Ω (typ.)
Volt-µs
DRQ74-331-R
33.0
34.41
1.31
1.35
0.166
42.0
DRQ74-470-R
47.0
48.62
1.08
1.14
0.241
49.8
DRQ74-680-R
68.0
68.91
0.89
0.96
0.358
59.4
DRQ74-820-R
82.0
80.37
0.86
0.89
0.384
64.2
DRQ74-102-R
100
101.4
0.73
0.79
0.527
72.0
Environmental & Mechanical Data
Storage Temperature Range: -40°C to +125°C
Operating Temperature Range: -40°C to +125°C
Solder Reflow Temperature: Compliant with J-STD-020
Applications
DC-DC Converters
VRM Inductors for CPU and DDR Power Supplies
Input and Output Filter Chokes
Transformers in SEPIC, Flyback, Buck, and Boost Converters
Portable and Handheld Devices
LCD Panels and Media Players
Note
Datasheet was not processed please search the internet for the part number for more details.
{"id":10026370597181,"title":"DRQ74-331-R","handle":"drq74-331-r","description":"\u003ch3\u003eProduct Description: EATON ELECTRONICS IND SHLD DRM 330uH 0.54A SMT\u003c\/h3\u003e\n\u003cp\u003ePart Number: DRQ74-331-R\u003cbr\u003e\nManufacturer: EATON ELECTRONICS\u003cbr\u003e\nCountry of Origin: CN\u003cbr\u003e\nUnit of Measure: Each (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-drq-shielded-drum-core-power-inductors-data-sheet.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\u003c\/p\u003e\n\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eThe DRQ74-331-R is a high-performance, shielded drum core power inductor designed for a wide range of electronic applications including DC-DC converters, VRM power supplies, and filtering in desktop, server, portable devices, and media players. Its dual winding configuration allows versatile use as either a single inductor or a coupled inductor\/transformer with a 1:1 turns ratio.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDual winding inductors suitable for single or coupled inductor applications\u003c\/li\u003e\n\u003cli\u003eAvailable in four sizes with shielded drum core construction\u003c\/li\u003e\n\u003cli\u003eWindings can be connected in series or parallel for customizable inductance and current ratings\u003c\/li\u003e\n\u003cli\u003ePeak current ratings from 0.13 A to 56 A\u003c\/li\u003e\n\u003cli\u003eRMS current ratings up to 17.9 A\u003c\/li\u003e\n\u003cli\u003eInductance range from 0.33 µH to 4.02 mH\u003c\/li\u003e\n\u003cli\u003e200 Vac isolation between windings\u003c\/li\u003e\n\u003cli\u003eFerrite core material for high efficiency\u003c\/li\u003e\n\u003cli\u003eRoHS compliant\u003c\/li\u003e\n\u003cli\u003eSuitable for high power density applications in compact designs\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\u003eDCR Ω (typ.)\u003c\/th\u003e\n\u003cth\u003eVolt-µs\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDRQ74-331-R\u003c\/td\u003e\n\u003ctd\u003e33.0\u003c\/td\u003e\n\u003ctd\u003e34.41\u003c\/td\u003e\n\u003ctd\u003e1.31\u003c\/td\u003e\n\u003ctd\u003e1.35\u003c\/td\u003e\n\u003ctd\u003e0.166\u003c\/td\u003e\n\u003ctd\u003e42.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDRQ74-470-R\u003c\/td\u003e\n\u003ctd\u003e47.0\u003c\/td\u003e\n\u003ctd\u003e48.62\u003c\/td\u003e\n\u003ctd\u003e1.08\u003c\/td\u003e\n\u003ctd\u003e1.14\u003c\/td\u003e\n\u003ctd\u003e0.241\u003c\/td\u003e\n\u003ctd\u003e49.8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDRQ74-680-R\u003c\/td\u003e\n\u003ctd\u003e68.0\u003c\/td\u003e\n\u003ctd\u003e68.91\u003c\/td\u003e\n\u003ctd\u003e0.89\u003c\/td\u003e\n\u003ctd\u003e0.96\u003c\/td\u003e\n\u003ctd\u003e0.358\u003c\/td\u003e\n\u003ctd\u003e59.4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDRQ74-820-R\u003c\/td\u003e\n\u003ctd\u003e82.0\u003c\/td\u003e\n\u003ctd\u003e80.37\u003c\/td\u003e\n\u003ctd\u003e0.86\u003c\/td\u003e\n\u003ctd\u003e0.89\u003c\/td\u003e\n\u003ctd\u003e0.384\u003c\/td\u003e\n\u003ctd\u003e64.2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDRQ74-102-R\u003c\/td\u003e\n\u003ctd\u003e100\u003c\/td\u003e\n\u003ctd\u003e101.4\u003c\/td\u003e\n\u003ctd\u003e0.73\u003c\/td\u003e\n\u003ctd\u003e0.79\u003c\/td\u003e\n\u003ctd\u003e0.527\u003c\/td\u003e\n\u003ctd\u003e72.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eEnvironmental \u0026amp; Mechanical Data\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\u003c\/li\u003e\n\u003cli\u003eSolder Reflow Temperature: Compliant with J-STD-020\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDC-DC Converters\u003c\/li\u003e\n\u003cli\u003eVRM Inductors for CPU and DDR Power Supplies\u003c\/li\u003e\n\u003cli\u003eInput and Output Filter Chokes\u003c\/li\u003e\n\u003cli\u003eTransformers in SEPIC, Flyback, Buck, and Boost Converters\u003c\/li\u003e\n\u003cli\u003ePortable and Handheld Devices\u003c\/li\u003e\n\u003cli\u003eLCD Panels and Media Players\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eNote\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":"2025-08-15T07:06:40+05:30","created_at":"2025-08-15T07:06:42+05:30","vendor":"Waldom Electonics","type":"Inductors, Chokes \u0026 Coils","tags":["54A","Chokes","Coils","EATON-ELE","Fixed","IMPORT_CSV","IMPORT_PT2","IND","Inductors","WLDM"],"price":13998,"price_min":13998,"price_max":13998,"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":50622159585597,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"DRQ74-331-R","requires_shipping":true,"taxable":true,"featured_image":null,"available":false,"name":"DRQ74-331-R","public_title":null,"options":["Default Title"],"price":13998,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"DRQ74-331-R","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/DRQ74-331-R_41525379_889293b0.jpg?v=1755221802"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/DRQ74-331-R_41525379_889293b0.jpg?v=1755221802","options":["Title"],"media":[{"alt":null,"id":45847439409469,"position":1,"preview_image":{"aspect_ratio":1.0,"height":200,"width":200,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/DRQ74-331-R_41525379_889293b0.jpg?v=1755221802"},"aspect_ratio":1.0,"height":200,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/DRQ74-331-R_41525379_889293b0.jpg?v=1755221802","width":200}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eProduct Description: EATON ELECTRONICS IND SHLD DRM 330uH 0.54A SMT\u003c\/h3\u003e\n\u003cp\u003ePart Number: DRQ74-331-R\u003cbr\u003e\nManufacturer: EATON ELECTRONICS\u003cbr\u003e\nCountry of Origin: CN\u003cbr\u003e\nUnit of Measure: Each (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-drq-shielded-drum-core-power-inductors-data-sheet.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\u003c\/p\u003e\n\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eThe DRQ74-331-R is a high-performance, shielded drum core power inductor designed for a wide range of electronic applications including DC-DC converters, VRM power supplies, and filtering in desktop, server, portable devices, and media players. Its dual winding configuration allows versatile use as either a single inductor or a coupled inductor\/transformer with a 1:1 turns ratio.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDual winding inductors suitable for single or coupled inductor applications\u003c\/li\u003e\n\u003cli\u003eAvailable in four sizes with shielded drum core construction\u003c\/li\u003e\n\u003cli\u003eWindings can be connected in series or parallel for customizable inductance and current ratings\u003c\/li\u003e\n\u003cli\u003ePeak current ratings from 0.13 A to 56 A\u003c\/li\u003e\n\u003cli\u003eRMS current ratings up to 17.9 A\u003c\/li\u003e\n\u003cli\u003eInductance range from 0.33 µH to 4.02 mH\u003c\/li\u003e\n\u003cli\u003e200 Vac isolation between windings\u003c\/li\u003e\n\u003cli\u003eFerrite core material for high efficiency\u003c\/li\u003e\n\u003cli\u003eRoHS compliant\u003c\/li\u003e\n\u003cli\u003eSuitable for high power density applications in compact designs\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\u003eDCR Ω (typ.)\u003c\/th\u003e\n\u003cth\u003eVolt-µs\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDRQ74-331-R\u003c\/td\u003e\n\u003ctd\u003e33.0\u003c\/td\u003e\n\u003ctd\u003e34.41\u003c\/td\u003e\n\u003ctd\u003e1.31\u003c\/td\u003e\n\u003ctd\u003e1.35\u003c\/td\u003e\n\u003ctd\u003e0.166\u003c\/td\u003e\n\u003ctd\u003e42.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDRQ74-470-R\u003c\/td\u003e\n\u003ctd\u003e47.0\u003c\/td\u003e\n\u003ctd\u003e48.62\u003c\/td\u003e\n\u003ctd\u003e1.08\u003c\/td\u003e\n\u003ctd\u003e1.14\u003c\/td\u003e\n\u003ctd\u003e0.241\u003c\/td\u003e\n\u003ctd\u003e49.8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDRQ74-680-R\u003c\/td\u003e\n\u003ctd\u003e68.0\u003c\/td\u003e\n\u003ctd\u003e68.91\u003c\/td\u003e\n\u003ctd\u003e0.89\u003c\/td\u003e\n\u003ctd\u003e0.96\u003c\/td\u003e\n\u003ctd\u003e0.358\u003c\/td\u003e\n\u003ctd\u003e59.4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDRQ74-820-R\u003c\/td\u003e\n\u003ctd\u003e82.0\u003c\/td\u003e\n\u003ctd\u003e80.37\u003c\/td\u003e\n\u003ctd\u003e0.86\u003c\/td\u003e\n\u003ctd\u003e0.89\u003c\/td\u003e\n\u003ctd\u003e0.384\u003c\/td\u003e\n\u003ctd\u003e64.2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDRQ74-102-R\u003c\/td\u003e\n\u003ctd\u003e100\u003c\/td\u003e\n\u003ctd\u003e101.4\u003c\/td\u003e\n\u003ctd\u003e0.73\u003c\/td\u003e\n\u003ctd\u003e0.79\u003c\/td\u003e\n\u003ctd\u003e0.527\u003c\/td\u003e\n\u003ctd\u003e72.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eEnvironmental \u0026amp; Mechanical Data\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\u003c\/li\u003e\n\u003cli\u003eSolder Reflow Temperature: Compliant with J-STD-020\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDC-DC Converters\u003c\/li\u003e\n\u003cli\u003eVRM Inductors for CPU and DDR Power Supplies\u003c\/li\u003e\n\u003cli\u003eInput and Output Filter Chokes\u003c\/li\u003e\n\u003cli\u003eTransformers in SEPIC, Flyback, Buck, and Boost Converters\u003c\/li\u003e\n\u003cli\u003ePortable and Handheld Devices\u003c\/li\u003e\n\u003cli\u003eLCD Panels and Media Players\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eNote\u003c\/h3\u003e\n\u003cp\u003eDatasheet was not processed please search the internet for the part number for more details.\u003c\/p\u003e"}
