The EATON ELECTRONICS SD52-4R7-R is a high-performance, shielded drum core inductor designed for demanding electronic applications. Manufactured in China and compliant with RoHS standards, this fixed inductor offers reliable performance in compact form factors.
Part Number: SD52-4R7-R
Manufacturer: EATON ELECTRONICS
Country of Origin: CN
Package Type: REEL (3500 parts per reel)
UOM: EA
ECCN: EAR99
RoHS Compliant: Yes
Key Features
Octagonal shielded drum core with a maximum height of 2mm for low-profile design
Inductance range from 1.2µH to 100µH, with specific value of 4.7µH for this model
Current handling capacity from 3.14A (Irms) to 0.35A (Isat) depending on the inductance
Ferrite shielded core for low electromagnetic interference (EMI)
Operating temperature range from -40°C to +125°C
Solder reflow temperature up to +260°C for 10 seconds maximum
Electrical Specifications
Part Number
Rated Inductance (µH)
OCL (1) +/-20% (µH)
Irms (2) Amperes
Isat (3) Amperes
DCR (4) (Ω) Typ.
Volt u-sec Typ.
SD52-4R7-R
4.70
4.70
1.63
1.64
0.0568
2.84
Additional Specifications
Storage temperature: -40°C to +125°C
Maximum solder reflow temperature: +260°C for 10 seconds
Application areas include digital cameras, CD players, cellular phones, PDAs, PCMCIA cards, and GPS systems
Mechanical and Packaging Details
Supplied in tape and reel packaging, with dimensions and layout designed for easy PCB mounting. The reel contains 3,500 parts, suitable for automated assembly processes.
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Manufactured in China and compliant with RoHS standards, this fixed inductor offers reliable performance in compact form factors.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e SD52-4R7-R\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e EATON ELECTRONICS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e CN\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Type:\u003c\/strong\u003e REEL (3500 parts per reel)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUOM:\u003c\/strong\u003e EA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eECCN:\u003c\/strong\u003e EAR99\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoHS Compliant:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOctagonal shielded drum core with a maximum height of 2mm for low-profile design\u003c\/li\u003e\n\u003cli\u003eInductance range from 1.2µH to 100µH, with specific value of 4.7µH for this model\u003c\/li\u003e\n\u003cli\u003eCurrent handling capacity from 3.14A (Irms) to 0.35A (Isat) depending on the inductance\u003c\/li\u003e\n\u003cli\u003eFerrite shielded core for low electromagnetic interference (EMI)\u003c\/li\u003e\n\u003cli\u003eOperating temperature range from -40°C to +125°C\u003c\/li\u003e\n\u003cli\u003eSolder reflow temperature up to +260°C for 10 seconds maximum\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eElectrical 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\u003eOCL (1) +\/-20% (µH)\u003c\/th\u003e\n\u003cth\u003eIrms (2) Amperes\u003c\/th\u003e\n\u003cth\u003eIsat (3) Amperes\u003c\/th\u003e\n\u003cth\u003eDCR (4) (Ω) Typ.\u003c\/th\u003e\n\u003cth\u003eVolt u-sec Typ.\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSD52-4R7-R\u003c\/td\u003e\n\u003ctd\u003e4.70\u003c\/td\u003e\n\u003ctd\u003e4.70\u003c\/td\u003e\n\u003ctd\u003e1.63\u003c\/td\u003e\n\u003ctd\u003e1.64\u003c\/td\u003e\n\u003ctd\u003e0.0568\u003c\/td\u003e\n\u003ctd\u003e2.84\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eAdditional Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eStorage temperature: -40°C to +125°C\u003c\/li\u003e\n\u003cli\u003eMaximum solder reflow temperature: +260°C for 10 seconds\u003c\/li\u003e\n\u003cli\u003eApplication areas include digital cameras, CD players, cellular phones, PDAs, PCMCIA cards, and GPS systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eMechanical and Packaging Details\u003c\/h3\u003e\n\u003cp\u003eSupplied in tape and reel packaging, with dimensions and layout designed for easy PCB mounting. The reel contains 3,500 parts, suitable for automated assembly processes.\u003c\/p\u003e\n\u003ch3\u003eDatasheet\u003c\/h3\u003e\n\u003cp\u003eFor detailed technical information, refer to the \u003ca href=\"https:\/\/www.waldomapac.com\/productfiles\/mf-coi\/04bc833b-e9e7-428a-ac78-a0296bdda2f4.pdf\" target=\"_blank\"\u003eSD52 Series Datasheet\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eNote: If additional details are required, please search the internet for the part number \u003cstrong\u003eSD52-4R7-R\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDisclaimer:\u003c\/strong\u003e The datasheet was not processed; please search the internet for the part number for more details.\u003c\/p\u003e","published_at":"2025-08-09T22:50:53+05:30","created_at":"2025-08-09T22:50:53+05:30","vendor":"Waldom Electonics","type":"Inductors, Chokes \u0026 Coils","tags":["Chokes","Coils","EATON-ELE","Fixed","IMPORT_CSV","Inductor","Power","WLDM"],"price":18433,"price_min":18433,"price_max":18433,"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":50570097164605,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"SD52-4R7-R","requires_shipping":true,"taxable":true,"featured_image":null,"available":false,"name":"SD52-4R7-R","public_title":null,"options":["Default Title"],"price":18433,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"SD52-4R7-R","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/SD52-4R7-R_41525889_19129421.jpg?v=1754760057"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/SD52-4R7-R_41525889_19129421.jpg?v=1754760057","options":["Title"],"media":[{"alt":null,"id":45750894133565,"position":1,"preview_image":{"aspect_ratio":1.0,"height":200,"width":200,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/SD52-4R7-R_41525889_19129421.jpg?v=1754760057"},"aspect_ratio":1.0,"height":200,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/SD52-4R7-R_41525889_19129421.jpg?v=1754760057","width":200}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eEATON ELECTRONICS SD52-4R7-R\u003c\/strong\u003e is a high-performance, shielded drum core inductor designed for demanding electronic applications. Manufactured in China and compliant with RoHS standards, this fixed inductor offers reliable performance in compact form factors.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e SD52-4R7-R\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e EATON ELECTRONICS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e CN\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Type:\u003c\/strong\u003e REEL (3500 parts per reel)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUOM:\u003c\/strong\u003e EA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eECCN:\u003c\/strong\u003e EAR99\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoHS Compliant:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOctagonal shielded drum core with a maximum height of 2mm for low-profile design\u003c\/li\u003e\n\u003cli\u003eInductance range from 1.2µH to 100µH, with specific value of 4.7µH for this model\u003c\/li\u003e\n\u003cli\u003eCurrent handling capacity from 3.14A (Irms) to 0.35A (Isat) depending on the inductance\u003c\/li\u003e\n\u003cli\u003eFerrite shielded core for low electromagnetic interference (EMI)\u003c\/li\u003e\n\u003cli\u003eOperating temperature range from -40°C to +125°C\u003c\/li\u003e\n\u003cli\u003eSolder reflow temperature up to +260°C for 10 seconds maximum\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eElectrical 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\u003eOCL (1) +\/-20% (µH)\u003c\/th\u003e\n\u003cth\u003eIrms (2) Amperes\u003c\/th\u003e\n\u003cth\u003eIsat (3) Amperes\u003c\/th\u003e\n\u003cth\u003eDCR (4) (Ω) Typ.\u003c\/th\u003e\n\u003cth\u003eVolt u-sec Typ.\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSD52-4R7-R\u003c\/td\u003e\n\u003ctd\u003e4.70\u003c\/td\u003e\n\u003ctd\u003e4.70\u003c\/td\u003e\n\u003ctd\u003e1.63\u003c\/td\u003e\n\u003ctd\u003e1.64\u003c\/td\u003e\n\u003ctd\u003e0.0568\u003c\/td\u003e\n\u003ctd\u003e2.84\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eAdditional Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eStorage temperature: -40°C to +125°C\u003c\/li\u003e\n\u003cli\u003eMaximum solder reflow temperature: +260°C for 10 seconds\u003c\/li\u003e\n\u003cli\u003eApplication areas include digital cameras, CD players, cellular phones, PDAs, PCMCIA cards, and GPS systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eMechanical and Packaging Details\u003c\/h3\u003e\n\u003cp\u003eSupplied in tape and reel packaging, with dimensions and layout designed for easy PCB mounting. The reel contains 3,500 parts, suitable for automated assembly processes.\u003c\/p\u003e\n\u003ch3\u003eDatasheet\u003c\/h3\u003e\n\u003cp\u003eFor detailed technical information, refer to the \u003ca href=\"https:\/\/www.waldomapac.com\/productfiles\/mf-coi\/04bc833b-e9e7-428a-ac78-a0296bdda2f4.pdf\" target=\"_blank\"\u003eSD52 Series Datasheet\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eNote: If additional details are required, please search the internet for the part number \u003cstrong\u003eSD52-4R7-R\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDisclaimer:\u003c\/strong\u003e The datasheet was not processed; please search the internet for the part number for more details.\u003c\/p\u003e"}
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.
