Manufactured by EATON ELECTRONICS, the 820 H Shielded Wirewound Inductor (Part Number: DRA74-821-R) is designed for high-performance power applications in automotive and electronic systems. This RoHS-compliant SMD power inductor features a shielded drum core construction, ensuring high efficiency and reduced electromagnetic interference (EMI).
Key Features:
Automotive grade with high power density and efficiency
Magnetically shielded to reduce EMI
Ferrite core material for reliable performance
Inductance: 279 mA at 3.63 Ohms
Current capacity up to 56 A
Available in five mechanical sizes
Rugged construction suitable for high shock and vibration environments
Moisture Sensitivity Level (MSL): 1
RoHS compliant
Product Specifications:
Part Number
OCL ±20% (µH)
I 2 rms (A)
I 13 sat (A)
I 24 sat (A)
DCR (Ω) @ +25 °C (Typical)
DCR (Ω) @ +25 °C (Maximum)
K-Factor
DRA74-821-R
0.82
0.879
1.03
0.827
0.367
0.440
30.8
This inductor is suitable for applications such as body electronics, HVAC controllers, advanced driver assistance systems (ADAS), infotainment, chassis, safety electronics, and engine management systems.
For detailed technical data, please refer to the datasheet.
Additional Information:
Part Number: DRA74-821-R
Manufacturer: EATON ELECTRONICS
Country of Origin: PH
Unit of Measure: EA
ECCN: EAR99
Package Type: REEL
Note: Datasheet was not processed, please search the internet for the part number for more details.
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{"id":10026373218621,"title":"DRA74-821-R","handle":"dra74-821-r","description":"\u003ch3\u003e820 H Shielded Wirewound Inductor - DRA74-821-R\u003c\/h3\u003e\n\u003cp\u003eManufactured by \u003cstrong\u003eEATON ELECTRONICS\u003c\/strong\u003e, the \u003cstrong\u003e820 H Shielded Wirewound Inductor\u003c\/strong\u003e (Part Number: \u003cstrong\u003eDRA74-821-R\u003c\/strong\u003e) is designed for high-performance power applications in automotive and electronic systems. This RoHS-compliant SMD power inductor features a shielded drum core construction, ensuring high efficiency and reduced electromagnetic interference (EMI).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAutomotive grade with high power density and efficiency\u003c\/li\u003e\n\u003cli\u003eMagnetically shielded to reduce EMI\u003c\/li\u003e\n\u003cli\u003eFerrite core material for reliable performance\u003c\/li\u003e\n\u003cli\u003eInductance: 279 mA at 3.63 Ohms\u003c\/li\u003e\n\u003cli\u003eCurrent capacity up to 56 A\u003c\/li\u003e\n\u003cli\u003eAvailable in five mechanical sizes\u003c\/li\u003e\n\u003cli\u003eRugged construction suitable for high shock and vibration environments\u003c\/li\u003e\n\u003cli\u003eMoisture Sensitivity Level (MSL): 1\u003c\/li\u003e\n\u003cli\u003eRoHS compliant\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Specifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003cth\u003eOCL ±20% (µH)\u003c\/th\u003e\n\u003cth\u003eI 2 rms (A)\u003c\/th\u003e\n\u003cth\u003eI 13 sat (A)\u003c\/th\u003e\n\u003cth\u003eI 24 sat (A)\u003c\/th\u003e\n\u003cth\u003eDCR (Ω) @ +25 °C (Typical)\u003c\/th\u003e\n\u003cth\u003eDCR (Ω) @ +25 °C (Maximum)\u003c\/th\u003e\n\u003cth\u003eK-Factor\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDRA74-821-R\u003c\/td\u003e\n\u003ctd\u003e0.82\u003c\/td\u003e\n\u003ctd\u003e0.879\u003c\/td\u003e\n\u003ctd\u003e1.03\u003c\/td\u003e\n\u003ctd\u003e0.827\u003c\/td\u003e\n\u003ctd\u003e0.367\u003c\/td\u003e\n\u003ctd\u003e0.440\u003c\/td\u003e\n\u003ctd\u003e30.8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003eThis inductor is suitable for applications such as body electronics, HVAC controllers, advanced driver assistance systems (ADAS), infotainment, chassis, safety electronics, and engine management systems.\u003c\/p\u003e\n\u003cp\u003eFor detailed technical data, please refer to the \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-bs\/coi-dra74-821-r.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAdditional Information:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePart Number: DRA74-821-R\u003c\/li\u003e\n\u003cli\u003eManufacturer: EATON ELECTRONICS\u003c\/li\u003e\n\u003cli\u003eCountry of Origin: PH\u003c\/li\u003e\n\u003cli\u003eUnit of Measure: EA\u003c\/li\u003e\n\u003cli\u003eECCN: EAR99\u003c\/li\u003e\n\u003cli\u003ePackage Type: REEL\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNote: Datasheet was not processed, please search the internet for the part number for more details.\u003c\/p\u003e","published_at":"2025-08-15T07:09:55+05:30","created_at":"2025-08-15T07:09:57+05:30","vendor":"Waldom Electonics","type":"Inductors, Chokes \u0026 Coils","tags":["Chokes","Coils","EATON-ELE","IMPORT_CSV","IMPORT_PT2","Inductors","Power","Smd","Wire","WLDM"],"price":14691,"price_min":14691,"price_max":14691,"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":50622162633021,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"DRA74-821-R","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"DRA74-821-R","public_title":null,"options":["Default Title"],"price":14691,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"DRA74-821-R","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/DRA74-821-R_44651001_55d98813.jpg?v=1755221997"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/DRA74-821-R_44651001_55d98813.jpg?v=1755221997","options":["Title"],"media":[{"alt":null,"id":45847464935741,"position":1,"preview_image":{"aspect_ratio":1.22,"height":200,"width":244,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/DRA74-821-R_44651001_55d98813.jpg?v=1755221997"},"aspect_ratio":1.22,"height":200,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/DRA74-821-R_44651001_55d98813.jpg?v=1755221997","width":244}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003e820 H Shielded Wirewound Inductor - DRA74-821-R\u003c\/h3\u003e\n\u003cp\u003eManufactured by \u003cstrong\u003eEATON ELECTRONICS\u003c\/strong\u003e, the \u003cstrong\u003e820 H Shielded Wirewound Inductor\u003c\/strong\u003e (Part Number: \u003cstrong\u003eDRA74-821-R\u003c\/strong\u003e) is designed for high-performance power applications in automotive and electronic systems. This RoHS-compliant SMD power inductor features a shielded drum core construction, ensuring high efficiency and reduced electromagnetic interference (EMI).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAutomotive grade with high power density and efficiency\u003c\/li\u003e\n\u003cli\u003eMagnetically shielded to reduce EMI\u003c\/li\u003e\n\u003cli\u003eFerrite core material for reliable performance\u003c\/li\u003e\n\u003cli\u003eInductance: 279 mA at 3.63 Ohms\u003c\/li\u003e\n\u003cli\u003eCurrent capacity up to 56 A\u003c\/li\u003e\n\u003cli\u003eAvailable in five mechanical sizes\u003c\/li\u003e\n\u003cli\u003eRugged construction suitable for high shock and vibration environments\u003c\/li\u003e\n\u003cli\u003eMoisture Sensitivity Level (MSL): 1\u003c\/li\u003e\n\u003cli\u003eRoHS compliant\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Specifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003cth\u003eOCL ±20% (µH)\u003c\/th\u003e\n\u003cth\u003eI 2 rms (A)\u003c\/th\u003e\n\u003cth\u003eI 13 sat (A)\u003c\/th\u003e\n\u003cth\u003eI 24 sat (A)\u003c\/th\u003e\n\u003cth\u003eDCR (Ω) @ +25 °C (Typical)\u003c\/th\u003e\n\u003cth\u003eDCR (Ω) @ +25 °C (Maximum)\u003c\/th\u003e\n\u003cth\u003eK-Factor\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDRA74-821-R\u003c\/td\u003e\n\u003ctd\u003e0.82\u003c\/td\u003e\n\u003ctd\u003e0.879\u003c\/td\u003e\n\u003ctd\u003e1.03\u003c\/td\u003e\n\u003ctd\u003e0.827\u003c\/td\u003e\n\u003ctd\u003e0.367\u003c\/td\u003e\n\u003ctd\u003e0.440\u003c\/td\u003e\n\u003ctd\u003e30.8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003eThis inductor is suitable for applications such as body electronics, HVAC controllers, advanced driver assistance systems (ADAS), infotainment, chassis, safety electronics, and engine management systems.\u003c\/p\u003e\n\u003cp\u003eFor detailed technical data, please refer to the \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-bs\/coi-dra74-821-r.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAdditional Information:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePart Number: DRA74-821-R\u003c\/li\u003e\n\u003cli\u003eManufacturer: EATON ELECTRONICS\u003c\/li\u003e\n\u003cli\u003eCountry of Origin: PH\u003c\/li\u003e\n\u003cli\u003eUnit of Measure: EA\u003c\/li\u003e\n\u003cli\u003eECCN: EAR99\u003c\/li\u003e\n\u003cli\u003ePackage Type: REEL\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNote: Datasheet was not processed, please search the internet for the part number for more details.\u003c\/p\u003e"}
