Introducing the Eaton Electronics SD3118-470-R, a high-quality power inductor designed for compact, high-performance electronic applications. Manufactured in China, this RoHS-compliant surface-mount device offers reliable inductance and current handling in a low-profile package.
Product Features
Low profile shielded drum core for space-saving design
Compact 3.2 x 3.2mm footprint with a height of 1.8mm
Ferrite core material for efficient magnetic performance
RoHS compliant, halogen-free, and lead-free construction
Suitable for mobile phones, tablets, media players, digital cameras, LED drivers, LCD displays, and handheld equipment
Technical Specifications
Inductance: 47μH (±30%)
Maximum DC current: 0.42A RMS
DC Resistance (DCR): 1.21Ω typical
Operating temperature range: -40°C to +125°C
Solder reflow temperature compliant with J-STD-020D
Electrical and Mechanical Data
Part Number
OCL (μH)
Irms (A)
Isat (A)
DCR (Ω)
SD3118-470-R
47.5±30%
0.37
0.42
1.2
Packaging and Dimensions
Package Type: Reel
Reel Dimensions: Ao = 4.0mm, A1 = 0.93mm, Bo = 4.20mm, B1 = 1.25mm, Ko = 2.00mm
Quantity: 4,100 parts per 13” reel
Additional Information
For detailed technical data, please refer to the datasheet. This product is suitable for applications requiring high reliability and space efficiency in power management circuits.
Note: Datasheet was not processed; please search the internet for the part number SD3118-470-R for more details.
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{"id":10028051628349,"title":"SD3118-470-R","handle":"sd3118-470-r","description":"\u003ch3\u003ePower Inductors - SMD 47μH 0.42A 1.21Ω\u003c\/h3\u003e\n\u003cp\u003eIntroducing the Eaton Electronics SD3118-470-R, a high-quality power inductor designed for compact, high-performance electronic applications. Manufactured in China, this RoHS-compliant surface-mount device offers reliable inductance and current handling in a low-profile package.\u003c\/p\u003e\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eLow profile shielded drum core for space-saving design\u003c\/li\u003e\n\u003cli\u003eCompact 3.2 x 3.2mm footprint with a height of 1.8mm\u003c\/li\u003e\n\u003cli\u003eFerrite core material for efficient magnetic performance\u003c\/li\u003e\n\u003cli\u003eRoHS compliant, halogen-free, and lead-free construction\u003c\/li\u003e\n\u003cli\u003eSuitable for mobile phones, tablets, media players, digital cameras, LED drivers, LCD displays, and handheld equipment\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eInductance: 47μH (±30%)\u003c\/li\u003e\n\u003cli\u003eMaximum DC current: 0.42A RMS\u003c\/li\u003e\n\u003cli\u003eDC Resistance (DCR): 1.21Ω typical\u003c\/li\u003e\n\u003cli\u003eOperating temperature range: -40°C to +125°C\u003c\/li\u003e\n\u003cli\u003eSolder reflow temperature compliant with J-STD-020D\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eElectrical and Mechanical Data\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"5\" cellspacing=\"0\"\u003e\n\u003ctr\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003cth\u003eOCL (μH)\u003c\/th\u003e\n\u003cth\u003eIrms (A)\u003c\/th\u003e\n\u003cth\u003eIsat (A)\u003c\/th\u003e\n\u003cth\u003eDCR (Ω)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSD3118-470-R\u003c\/td\u003e\n\u003ctd\u003e47.5±30%\u003c\/td\u003e\n\u003ctd\u003e0.37\u003c\/td\u003e\n\u003ctd\u003e0.42\u003c\/td\u003e\n\u003ctd\u003e1.2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003ePackaging and Dimensions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePackage Type: Reel\u003c\/li\u003e\n\u003cli\u003eReel Dimensions: Ao = 4.0mm, A1 = 0.93mm, Bo = 4.20mm, B1 = 1.25mm, Ko = 2.00mm\u003c\/li\u003e\n\u003cli\u003eQuantity: 4,100 parts per 13” reel\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAdditional Information\u003c\/h3\u003e\n\u003cp\u003eFor detailed technical data, please refer to the \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-bs\/coi-sd3118-470-r.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e. This product is suitable for applications requiring high reliability and space efficiency in power management circuits.\u003c\/p\u003e\n\u003cp\u003eNote: Datasheet was not processed; please search the internet for the part number SD3118-470-R for more details.\u003c\/p\u003e\n\u003cp\u003eManufacturer: Eaton Electronics\u003c\/p\u003e\n\u003cp\u003ePart Number: SD3118-470-R\u003c\/p\u003e\n\u003cp\u003eCountry of Origin: CN\u003c\/p\u003e\n\u003cp\u003eUOM: EA\u003c\/p\u003e\n\u003cp\u003eECCN: EAR99\u003c\/p\u003e\n\u003cp\u003ePackage Type: Reel\u003c\/p\u003e\u003cbr\u003e","published_at":"2025-08-16T06:26:30+05:30","created_at":"2025-08-16T06:26:30+05:30","vendor":"Waldom Electonics","type":"Inductors, Chokes \u0026 Coils","tags":["42A","Chokes","Coils","EATON-ELE","IMPORT_CSV","IMPORT_PT2","Inductor","Power","SMD","WLDM"],"price":24115,"price_min":24115,"price_max":24115,"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":50626521104701,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"SD3118-470-R","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"SD3118-470-R","public_title":null,"options":["Default Title"],"price":24115,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"SD3118-470-R","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/44651132.jpg?v=1755305793"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/44651132.jpg?v=1755305793","options":["Title"],"media":[{"alt":null,"id":45863545209149,"position":1,"preview_image":{"aspect_ratio":1.0,"height":640,"width":640,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/44651132.jpg?v=1755305793"},"aspect_ratio":1.0,"height":640,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/44651132.jpg?v=1755305793","width":640}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003ePower Inductors - SMD 47μH 0.42A 1.21Ω\u003c\/h3\u003e\n\u003cp\u003eIntroducing the Eaton Electronics SD3118-470-R, a high-quality power inductor designed for compact, high-performance electronic applications. Manufactured in China, this RoHS-compliant surface-mount device offers reliable inductance and current handling in a low-profile package.\u003c\/p\u003e\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eLow profile shielded drum core for space-saving design\u003c\/li\u003e\n\u003cli\u003eCompact 3.2 x 3.2mm footprint with a height of 1.8mm\u003c\/li\u003e\n\u003cli\u003eFerrite core material for efficient magnetic performance\u003c\/li\u003e\n\u003cli\u003eRoHS compliant, halogen-free, and lead-free construction\u003c\/li\u003e\n\u003cli\u003eSuitable for mobile phones, tablets, media players, digital cameras, LED drivers, LCD displays, and handheld equipment\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eInductance: 47μH (±30%)\u003c\/li\u003e\n\u003cli\u003eMaximum DC current: 0.42A RMS\u003c\/li\u003e\n\u003cli\u003eDC Resistance (DCR): 1.21Ω typical\u003c\/li\u003e\n\u003cli\u003eOperating temperature range: -40°C to +125°C\u003c\/li\u003e\n\u003cli\u003eSolder reflow temperature compliant with J-STD-020D\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eElectrical and Mechanical Data\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"5\" cellspacing=\"0\"\u003e\n\u003ctr\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003cth\u003eOCL (μH)\u003c\/th\u003e\n\u003cth\u003eIrms (A)\u003c\/th\u003e\n\u003cth\u003eIsat (A)\u003c\/th\u003e\n\u003cth\u003eDCR (Ω)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSD3118-470-R\u003c\/td\u003e\n\u003ctd\u003e47.5±30%\u003c\/td\u003e\n\u003ctd\u003e0.37\u003c\/td\u003e\n\u003ctd\u003e0.42\u003c\/td\u003e\n\u003ctd\u003e1.2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003ePackaging and Dimensions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePackage Type: Reel\u003c\/li\u003e\n\u003cli\u003eReel Dimensions: Ao = 4.0mm, A1 = 0.93mm, Bo = 4.20mm, B1 = 1.25mm, Ko = 2.00mm\u003c\/li\u003e\n\u003cli\u003eQuantity: 4,100 parts per 13” reel\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAdditional Information\u003c\/h3\u003e\n\u003cp\u003eFor detailed technical data, please refer to the \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-bs\/coi-sd3118-470-r.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e. This product is suitable for applications requiring high reliability and space efficiency in power management circuits.\u003c\/p\u003e\n\u003cp\u003eNote: Datasheet was not processed; please search the internet for the part number SD3118-470-R for more details.\u003c\/p\u003e\n\u003cp\u003eManufacturer: Eaton Electronics\u003c\/p\u003e\n\u003cp\u003ePart Number: SD3118-470-R\u003c\/p\u003e\n\u003cp\u003eCountry of Origin: CN\u003c\/p\u003e\n\u003cp\u003eUOM: EA\u003c\/p\u003e\n\u003cp\u003eECCN: EAR99\u003c\/p\u003e\n\u003cp\u003ePackage Type: Reel\u003c\/p\u003e\u003cbr\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.
