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.
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{"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"}
