Part Number: DRQ74-681-R
Manufacturer: EATON ELECTRONICS
Country of Origin: CN
UOM:
ECCN: EAR99
Package Type: REEL
Datasheet: Download Datasheet
Product Features
Dual winding, high power density, shielded drum core power inductors suitable for various applications including DC-DC converters, VRM in CPU and DDR power supplies, and input/output filter chokes.
Can be used as a single inductor or in coupled inductor/transformer applications with a 1:1 turns ratio.
Available in four sizes with shielded drum core design.
Windings can be connected in series or parallel, offering a broad range of inductance and current ratings.
Peak current ratings from 0.13 A to 56 A; RMS current ratings from 0.128 A to 17.9 A.
Inductance ratings from 0.33 µH to 4.02 mH.
200 Vac isolation between windings with ferrite core material.
Technical Specifications
Part Number
Rated Inductance (µH)
OCL1 ±20% (µH)
I 2 rms (A)
I 3 sat (A) Peak
DCR Ω (typ.)
Volt-µs
DRQ74-681-R
680
0.676
0.89
0.96
0.358
59.4
DRQ74-470-R
470
0.465
1.08
1.14
0.241
49.8
DRQ74-820-R
820
0.811
0.86
0.89
0.384
64.2
DRQ74-1000-R
1000
0.995
0.73
0.79
0.527
72.0
Additional Details
RoHS compliant
Suitable for applications such as DC-DC converters, buck, boost, and coupled inductors, as well as VRM power supplies for CPUs and DDR memory.
Designed with ferrite core material for high efficiency and reliability.
Storage and operating temperature range: -40°C to +125°C.
Solder reflow temperature compliant with J-STD-020.
For more detailed specifications, please refer to the datasheet.
Note: Datasheet was not processed, please search the internet for the part number for more details.
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":10026370662717,"title":"DRQ74-681-R","handle":"drq74-681-r","description":"\u003ch3\u003eProduct Description: Coupled Inductors 680µH 0.38A 2.58Ω\u003c\/h3\u003e\n\u003cp\u003ePart Number: DRQ74-681-R\u003cbr\u003e\nManufacturer: EATON ELECTRONICS\u003cbr\u003e\nCountry of Origin: CN\u003cbr\u003e\nUOM: \u003cbr\u003e\nECCN: EAR99\u003cbr\u003e\nPackage Type: REEL\u003cbr\u003e\nDatasheet: \u003ca href=\"https:\/\/4donline.ihs.com\/images\/VipMasterIC\/IC\/ETON\/ETON-S-A0008259533\/ETON-S-A0008259533-1.pdf?hkey=82A29B72BDB3BD67C626B77C2F032848\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eDownload Datasheet\u003c\/a\u003e\u003c\/p\u003e\n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDual winding, high power density, shielded drum core power inductors suitable for various applications including DC-DC converters, VRM in CPU and DDR power supplies, and input\/output filter chokes.\u003c\/li\u003e\n\u003cli\u003eCan be used as a single inductor or in coupled inductor\/transformer applications with a 1:1 turns ratio.\u003c\/li\u003e\n\u003cli\u003eAvailable in four sizes with shielded drum core design.\u003c\/li\u003e\n\u003cli\u003eWindings can be connected in series or parallel, offering a broad range of inductance and current ratings.\u003c\/li\u003e\n\u003cli\u003ePeak current ratings from 0.13 A to 56 A; RMS current ratings from 0.128 A to 17.9 A.\u003c\/li\u003e\n\u003cli\u003eInductance ratings from 0.33 µH to 4.02 mH.\u003c\/li\u003e\n\u003cli\u003e200 Vac isolation between windings with ferrite core material.\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\u003eDRQ74-681-R\u003c\/td\u003e\n\u003ctd\u003e680\u003c\/td\u003e\n\u003ctd\u003e0.676\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\u003eDRQ74-470-R\u003c\/td\u003e\n\u003ctd\u003e470\u003c\/td\u003e\n\u003ctd\u003e0.465\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\u003eDRQ74-820-R\u003c\/td\u003e\n\u003ctd\u003e820\u003c\/td\u003e\n\u003ctd\u003e0.811\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\u003eDRQ74-1000-R\u003c\/td\u003e\n\u003ctd\u003e1000\u003c\/td\u003e\n\u003ctd\u003e0.995\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\u003eAdditional Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRoHS compliant\u003c\/li\u003e\n\u003cli\u003eSuitable for applications such as DC-DC converters, buck, boost, and coupled inductors, as well as VRM power supplies for CPUs and DDR memory.\u003c\/li\u003e\n\u003cli\u003eDesigned with ferrite core material for high efficiency and reliability.\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\u003c\/ul\u003e\n\n\u003cp\u003eFor more detailed specifications, please refer to the \u003ca href=\"https:\/\/4donline.ihs.com\/images\/VipMasterIC\/IC\/ETON\/ETON-S-A0008259533\/ETON-S-A0008259533-1.pdf?hkey=82A29B72BDB3BD67C626B77C2F032848\" target=\"_blank\" rel=\"noopener noreferrer\"\u003edatasheet\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eNote: Datasheet was not processed, please search the internet for the part number for more details.\u003c\/em\u003e\u003c\/p\u003e","published_at":"2025-08-15T07:06:44+05:30","created_at":"2025-08-15T07:06:45+05:30","vendor":"Waldom Electonics","type":"Inductors, Chokes \u0026 Coils","tags":["38A","Chokes","Coils","Coupled","EATON-ELE","IMPORT_CSV","IMPORT_PT2","Inductor","LED","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":50622159651133,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"DRQ74-681-R","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"DRQ74-681-R","public_title":null,"options":["Default Title"],"price":10533,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"DRQ74-681-R","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/44650800.jpg?v=1755221805"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/44650800.jpg?v=1755221805","options":["Title"],"media":[{"alt":null,"id":45847439671613,"position":1,"preview_image":{"aspect_ratio":1.0,"height":640,"width":640,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/44650800.jpg?v=1755221805"},"aspect_ratio":1.0,"height":640,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/44650800.jpg?v=1755221805","width":640}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eProduct Description: Coupled Inductors 680µH 0.38A 2.58Ω\u003c\/h3\u003e\n\u003cp\u003ePart Number: DRQ74-681-R\u003cbr\u003e\nManufacturer: EATON ELECTRONICS\u003cbr\u003e\nCountry of Origin: CN\u003cbr\u003e\nUOM: \u003cbr\u003e\nECCN: EAR99\u003cbr\u003e\nPackage Type: REEL\u003cbr\u003e\nDatasheet: \u003ca href=\"https:\/\/4donline.ihs.com\/images\/VipMasterIC\/IC\/ETON\/ETON-S-A0008259533\/ETON-S-A0008259533-1.pdf?hkey=82A29B72BDB3BD67C626B77C2F032848\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eDownload Datasheet\u003c\/a\u003e\u003c\/p\u003e\n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDual winding, high power density, shielded drum core power inductors suitable for various applications including DC-DC converters, VRM in CPU and DDR power supplies, and input\/output filter chokes.\u003c\/li\u003e\n\u003cli\u003eCan be used as a single inductor or in coupled inductor\/transformer applications with a 1:1 turns ratio.\u003c\/li\u003e\n\u003cli\u003eAvailable in four sizes with shielded drum core design.\u003c\/li\u003e\n\u003cli\u003eWindings can be connected in series or parallel, offering a broad range of inductance and current ratings.\u003c\/li\u003e\n\u003cli\u003ePeak current ratings from 0.13 A to 56 A; RMS current ratings from 0.128 A to 17.9 A.\u003c\/li\u003e\n\u003cli\u003eInductance ratings from 0.33 µH to 4.02 mH.\u003c\/li\u003e\n\u003cli\u003e200 Vac isolation between windings with ferrite core material.\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\u003eDRQ74-681-R\u003c\/td\u003e\n\u003ctd\u003e680\u003c\/td\u003e\n\u003ctd\u003e0.676\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\u003eDRQ74-470-R\u003c\/td\u003e\n\u003ctd\u003e470\u003c\/td\u003e\n\u003ctd\u003e0.465\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\u003eDRQ74-820-R\u003c\/td\u003e\n\u003ctd\u003e820\u003c\/td\u003e\n\u003ctd\u003e0.811\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\u003eDRQ74-1000-R\u003c\/td\u003e\n\u003ctd\u003e1000\u003c\/td\u003e\n\u003ctd\u003e0.995\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\u003eAdditional Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRoHS compliant\u003c\/li\u003e\n\u003cli\u003eSuitable for applications such as DC-DC converters, buck, boost, and coupled inductors, as well as VRM power supplies for CPUs and DDR memory.\u003c\/li\u003e\n\u003cli\u003eDesigned with ferrite core material for high efficiency and reliability.\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\u003c\/ul\u003e\n\n\u003cp\u003eFor more detailed specifications, please refer to the \u003ca href=\"https:\/\/4donline.ihs.com\/images\/VipMasterIC\/IC\/ETON\/ETON-S-A0008259533\/ETON-S-A0008259533-1.pdf?hkey=82A29B72BDB3BD67C626B77C2F032848\" target=\"_blank\" rel=\"noopener noreferrer\"\u003edatasheet\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eNote: Datasheet was not processed, please search the internet for the part number for more details.\u003c\/em\u003e\u003c\/p\u003e"}