Part Number: DR74-681-R
Manufacturer: EATON ELECTRONICS
Country of Origin: CN
UOM: Not specified
ECCN: EAR99
Package Type: REEL
Datasheet: Download Datasheet
This high-performance power inductor is designed for applications requiring high power density and efficiency. It features a shielded drum core made of ferrite material, ensuring magnetic shielding and secure mounting.
Product Features
Four sizes of shielded drum core inductors
Inductance: 0.33 µH to 1000 µH (model specific)
Current capacity up to 56 A peak
Magnetically shielded for noise reduction
Secure mounting for reliable assembly
Ferrite core material for optimal performance
RoHS compliant
Solder reflow temperature compliant (J-STD-020)
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.
DR74-681-R
680
676.5
0.89
0.96
3.47
93.1
Open Circuit Inductance Test Parameters: 100 kHz, 0.25 V rms, 0.0 Adc.
RMS current for an approximate temperature rise of 40°C without core loss. It is recommended that the temperature of the part not exceed +125°C.
Peak current for approximately 30% roll off at +20°C.
DCR limits are specified at +20°C.
Applied Volt-Time product (V-μs): 93.1 (typical).
For more detailed specifications, please refer to the datasheet.
Product Disclaimers
Ensure proper handling and soldering procedures to maintain product integrity. Verify specifications for your specific application requirements.
{"id":10026372170045,"title":"DR74-681-R","handle":"dr74-681-r","description":"\u003ch3\u003ePower Inductor - SMD 680µH 0.38A 2.58Ω\u003c\/h3\u003e\n\u003cp\u003ePart Number: DR74-681-R\u003cbr\u003e\nManufacturer: EATON ELECTRONICS\u003cbr\u003e\nCountry of Origin: CN\u003cbr\u003e\nUOM: Not specified\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\u003cp\u003eThis high-performance power inductor is designed for applications requiring high power density and efficiency. It features a shielded drum core made of ferrite material, ensuring magnetic shielding and secure mounting.\u003c\/p\u003e\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFour sizes of shielded drum core inductors\u003c\/li\u003e\n\u003cli\u003eInductance: 0.33 µH to 1000 µH (model specific)\u003c\/li\u003e\n\u003cli\u003eCurrent capacity up to 56 A peak\u003c\/li\u003e\n\u003cli\u003eMagnetically shielded for noise reduction\u003c\/li\u003e\n\u003cli\u003eSecure mounting for reliable assembly\u003c\/li\u003e\n\u003cli\u003eFerrite core material for optimal performance\u003c\/li\u003e\n\u003cli\u003eRoHS compliant\u003c\/li\u003e\n\u003cli\u003eSolder reflow temperature compliant (J-STD-020)\u003c\/li\u003e\n\u003c\/ul\u003e\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\u003eDR74-681-R\u003c\/td\u003e\n\u003ctd\u003e680\u003c\/td\u003e\n\u003ctd\u003e676.5\u003c\/td\u003e\n\u003ctd\u003e0.89\u003c\/td\u003e\n\u003ctd\u003e0.96\u003c\/td\u003e\n\u003ctd\u003e3.47\u003c\/td\u003e\n\u003ctd\u003e93.1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003eOpen Circuit Inductance Test Parameters: 100 kHz, 0.25 V rms, 0.0 Adc.\u003cbr\u003e\nRMS current for an approximate temperature rise of 40°C without core loss. It is recommended that the temperature of the part not exceed +125°C.\u003cbr\u003e\nPeak current for approximately 30% roll off at +20°C.\u003cbr\u003e\nDCR limits are specified at +20°C.\u003cbr\u003e\nApplied Volt-Time product (V-μs): 93.1 (typical).\u003cbr\u003e\nFor 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.\u003c\/p\u003e\n\u003ch3\u003eProduct Disclaimers\u003c\/h3\u003e\n\u003cp\u003eEnsure proper handling and soldering procedures to maintain product integrity. Verify specifications for your specific application requirements.\u003c\/p\u003e","published_at":"2025-08-15T07:08:34+05:30","created_at":"2025-08-15T07:08:36+05:30","vendor":"Waldom Electonics","type":"Inductors, Chokes \u0026 Coils","tags":["38A","Chokes","Coils","EATON-ELE","IMPORT_CSV","IMPORT_PT2","Inductor","Power","SMD","WLDM"],"price":9701,"price_min":9701,"price_max":9701,"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":50622161191229,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"DR74-681-R","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"DR74-681-R","public_title":null,"options":["Default Title"],"price":9701,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"DR74-681-R","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/44650962.jpg?v=1755221916"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/44650962.jpg?v=1755221916","options":["Title"],"media":[{"alt":null,"id":45847454777661,"position":1,"preview_image":{"aspect_ratio":1.0,"height":640,"width":640,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/44650962.jpg?v=1755221916"},"aspect_ratio":1.0,"height":640,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/44650962.jpg?v=1755221916","width":640}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003ePower Inductor - SMD 680µH 0.38A 2.58Ω\u003c\/h3\u003e\n\u003cp\u003ePart Number: DR74-681-R\u003cbr\u003e\nManufacturer: EATON ELECTRONICS\u003cbr\u003e\nCountry of Origin: CN\u003cbr\u003e\nUOM: Not specified\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\u003cp\u003eThis high-performance power inductor is designed for applications requiring high power density and efficiency. It features a shielded drum core made of ferrite material, ensuring magnetic shielding and secure mounting.\u003c\/p\u003e\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFour sizes of shielded drum core inductors\u003c\/li\u003e\n\u003cli\u003eInductance: 0.33 µH to 1000 µH (model specific)\u003c\/li\u003e\n\u003cli\u003eCurrent capacity up to 56 A peak\u003c\/li\u003e\n\u003cli\u003eMagnetically shielded for noise reduction\u003c\/li\u003e\n\u003cli\u003eSecure mounting for reliable assembly\u003c\/li\u003e\n\u003cli\u003eFerrite core material for optimal performance\u003c\/li\u003e\n\u003cli\u003eRoHS compliant\u003c\/li\u003e\n\u003cli\u003eSolder reflow temperature compliant (J-STD-020)\u003c\/li\u003e\n\u003c\/ul\u003e\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\u003eDR74-681-R\u003c\/td\u003e\n\u003ctd\u003e680\u003c\/td\u003e\n\u003ctd\u003e676.5\u003c\/td\u003e\n\u003ctd\u003e0.89\u003c\/td\u003e\n\u003ctd\u003e0.96\u003c\/td\u003e\n\u003ctd\u003e3.47\u003c\/td\u003e\n\u003ctd\u003e93.1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003eOpen Circuit Inductance Test Parameters: 100 kHz, 0.25 V rms, 0.0 Adc.\u003cbr\u003e\nRMS current for an approximate temperature rise of 40°C without core loss. It is recommended that the temperature of the part not exceed +125°C.\u003cbr\u003e\nPeak current for approximately 30% roll off at +20°C.\u003cbr\u003e\nDCR limits are specified at +20°C.\u003cbr\u003e\nApplied Volt-Time product (V-μs): 93.1 (typical).\u003cbr\u003e\nFor 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.\u003c\/p\u003e\n\u003ch3\u003eProduct Disclaimers\u003c\/h3\u003e\n\u003cp\u003eEnsure proper handling and soldering procedures to maintain product integrity. Verify specifications for your specific application requirements.\u003c\/p\u003e"}
