Power Inductors-SMD 3.3µH 12.5A 4.08mΩ - Eaton Electronics
Introducing the Eaton HCF1305 series high-current, high-frequency power inductors, designed for demanding electronic applications requiring reliable performance and efficient energy management. Manufactured by Eaton Electronics in the Philippines, this surface-mount component offers exceptional inductance and current handling capabilities suitable for next-generation processors, high-current DC-DC converters, VRMs, multi-phase buck regulators, and telecommunications infrastructure.
Product Features
Surface mount package measuring 12.5 mm x 12.5 mm x 5.0 mm
Ferrite core material with high DC bias resistance and low core loss
Optimized for high-speed switching applications with low voltage and high current demands
Inductance range from 0.47 µH to 4.7 µH
Current capacity up to 12.5A (Irms) and 12.5A (Isat)
Designed to operate efficiently within 100 kHz to 1 MHz frequency range
RoHS compliant (please verify specific product compliance)
Packaged in Tape & Reel (T&R) for automated assembly, with 600 parts per reel
Technical Specifications
Part Number
Rated Inductance (µH)
OCL (µH ± 20%)
Irms (A)
Isat (A)
Isat2 (A)
DCR mΩ @ 20°C (Typical)
DCR mΩ @ 20°C (Maximum)
K-factor
HCF1305-3R3-R
3.30
3.30
13.2
12.5
9.0
4.08
4.90
8.3
Dimensions
Size: 12.5 mm x 12.5 mm x 5.0 mm
Recommended PCB layout and schematic provided in datasheet
Environmental & Operating Conditions
Storage temperature: -40°C to +125°C
Operating temperature: -40°C to +125°C (ambient plus self-temperature rise)
Solder reflow compliant with J-STD-020
Additional Information
For detailed technical data, application guidelines, and soldering profiles, please refer to the datasheet.
Part Number: HCF1305-3R3-R
Manufacturer: Eaton Electronics
Country of Origin: Philippines (PH)
Unit of Measure: Each (EA)
ECCN: EAR99
Package Type: Tape & Reel (T&R)
Note: The datasheet was not processed; please search the internet for the part number for more details.
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{"id":10011439956285,"title":"HCF1305-3R3-R","handle":"hcf1305-3r3-r","description":"\u003ch3\u003ePower Inductors-SMD 3.3µH 12.5A 4.08mΩ - Eaton Electronics\u003c\/h3\u003e\n\n\u003cp\u003eIntroducing the Eaton HCF1305 series high-current, high-frequency power inductors, designed for demanding electronic applications requiring reliable performance and efficient energy management. Manufactured by Eaton Electronics in the Philippines, this surface-mount component offers exceptional inductance and current handling capabilities suitable for next-generation processors, high-current DC-DC converters, VRMs, multi-phase buck regulators, and telecommunications infrastructure.\u003c\/p\u003e\n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eSurface mount package measuring 12.5 mm x 12.5 mm x 5.0 mm\u003c\/li\u003e\n \u003cli\u003eFerrite core material with high DC bias resistance and low core loss\u003c\/li\u003e\n \u003cli\u003eOptimized for high-speed switching applications with low voltage and high current demands\u003c\/li\u003e\n \u003cli\u003eInductance range from 0.47 µH to 4.7 µH\u003c\/li\u003e\n \u003cli\u003eCurrent capacity up to 12.5A (Irms) and 12.5A (Isat)\u003c\/li\u003e\n \u003cli\u003eDesigned to operate efficiently within 100 kHz to 1 MHz frequency range\u003c\/li\u003e\n \u003cli\u003eRoHS compliant (please verify specific product compliance)\u003c\/li\u003e\n \u003cli\u003ePackaged in Tape \u0026amp; Reel (T\u0026amp;R) for automated assembly, with 600 parts per reel\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"5\" cellspacing=\"0\"\u003e\n \u003ctr\u003e\n \u003cth\u003ePart Number\u003c\/th\u003e\n \u003cth\u003eRated Inductance (µH)\u003c\/th\u003e\n \u003cth\u003eOCL (µH ± 20%)\u003c\/th\u003e\n \u003cth\u003eIrms (A)\u003c\/th\u003e\n \u003cth\u003eIsat (A)\u003c\/th\u003e\n \u003cth\u003eIsat2 (A)\u003c\/th\u003e\n \u003cth\u003eDCR mΩ @ 20°C (Typical)\u003c\/th\u003e\n \u003cth\u003eDCR mΩ @ 20°C (Maximum)\u003c\/th\u003e\n \u003cth\u003eK-factor\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eHCF1305-3R3-R\u003c\/td\u003e\n \u003ctd\u003e3.30\u003c\/td\u003e\n \u003ctd\u003e3.30\u003c\/td\u003e\n \u003ctd\u003e13.2\u003c\/td\u003e\n \u003ctd\u003e12.5\u003c\/td\u003e\n \u003ctd\u003e9.0\u003c\/td\u003e\n \u003ctd\u003e4.08\u003c\/td\u003e\n \u003ctd\u003e4.90\u003c\/td\u003e\n \u003ctd\u003e8.3\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eDimensions\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eSize: 12.5 mm x 12.5 mm x 5.0 mm\u003c\/li\u003e\n \u003cli\u003eRecommended PCB layout and schematic provided in datasheet\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eEnvironmental \u0026amp; Operating Conditions\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eStorage temperature: -40°C to +125°C\u003c\/li\u003e\n \u003cli\u003eOperating temperature: -40°C to +125°C (ambient plus self-temperature rise)\u003c\/li\u003e\n \u003cli\u003eSolder reflow compliant with J-STD-020\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAdditional Information\u003c\/h3\u003e\n\u003cp\u003eFor detailed technical data, application guidelines, and soldering profiles, please refer to the \u003ca href=\"https:\/\/www.eaton.com\/content\/dam\/eaton\/products\/electronic-components\/resources\/data-sheet\/eaton-hcf1305-high-current-power-inductors-data-sheet.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cp\u003ePart Number: HCF1305-3R3-R\u003cbr\u003e\nManufacturer: Eaton Electronics\u003cbr\u003e\nCountry of Origin: Philippines (PH)\u003cbr\u003e\nUnit of Measure: Each (EA)\u003cbr\u003e\nECCN: EAR99\u003cbr\u003e\nPackage Type: Tape \u0026amp; Reel (T\u0026amp;R)\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eNote: The datasheet was not processed; please search the internet for the part number for more details.\u003c\/em\u003e\u003c\/p\u003e","published_at":"2025-08-09T22:51:21+05:30","created_at":"2025-08-09T22:51:21+05:30","vendor":"Waldom Electonics","type":"","tags":["5A","EATON-ELE","IMPORT_CSV","Inductor","Power","SMD","WLDM"],"price":27302,"price_min":27302,"price_max":27302,"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":50570098114877,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"HCF1305-3R3-R","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"HCF1305-3R3-R","public_title":null,"options":["Default Title"],"price":27302,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"HCF1305-3R3-R","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/44654350.jpg?v=1754760084"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/44654350.jpg?v=1754760084","options":["Title"],"media":[{"alt":null,"id":45750900359485,"position":1,"preview_image":{"aspect_ratio":1.0,"height":600,"width":600,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/44654350.jpg?v=1754760084"},"aspect_ratio":1.0,"height":600,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/44654350.jpg?v=1754760084","width":600}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003ePower Inductors-SMD 3.3µH 12.5A 4.08mΩ - Eaton Electronics\u003c\/h3\u003e\n\n\u003cp\u003eIntroducing the Eaton HCF1305 series high-current, high-frequency power inductors, designed for demanding electronic applications requiring reliable performance and efficient energy management. Manufactured by Eaton Electronics in the Philippines, this surface-mount component offers exceptional inductance and current handling capabilities suitable for next-generation processors, high-current DC-DC converters, VRMs, multi-phase buck regulators, and telecommunications infrastructure.\u003c\/p\u003e\n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eSurface mount package measuring 12.5 mm x 12.5 mm x 5.0 mm\u003c\/li\u003e\n \u003cli\u003eFerrite core material with high DC bias resistance and low core loss\u003c\/li\u003e\n \u003cli\u003eOptimized for high-speed switching applications with low voltage and high current demands\u003c\/li\u003e\n \u003cli\u003eInductance range from 0.47 µH to 4.7 µH\u003c\/li\u003e\n \u003cli\u003eCurrent capacity up to 12.5A (Irms) and 12.5A (Isat)\u003c\/li\u003e\n \u003cli\u003eDesigned to operate efficiently within 100 kHz to 1 MHz frequency range\u003c\/li\u003e\n \u003cli\u003eRoHS compliant (please verify specific product compliance)\u003c\/li\u003e\n \u003cli\u003ePackaged in Tape \u0026amp; Reel (T\u0026amp;R) for automated assembly, with 600 parts per reel\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"5\" cellspacing=\"0\"\u003e\n \u003ctr\u003e\n \u003cth\u003ePart Number\u003c\/th\u003e\n \u003cth\u003eRated Inductance (µH)\u003c\/th\u003e\n \u003cth\u003eOCL (µH ± 20%)\u003c\/th\u003e\n \u003cth\u003eIrms (A)\u003c\/th\u003e\n \u003cth\u003eIsat (A)\u003c\/th\u003e\n \u003cth\u003eIsat2 (A)\u003c\/th\u003e\n \u003cth\u003eDCR mΩ @ 20°C (Typical)\u003c\/th\u003e\n \u003cth\u003eDCR mΩ @ 20°C (Maximum)\u003c\/th\u003e\n \u003cth\u003eK-factor\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eHCF1305-3R3-R\u003c\/td\u003e\n \u003ctd\u003e3.30\u003c\/td\u003e\n \u003ctd\u003e3.30\u003c\/td\u003e\n \u003ctd\u003e13.2\u003c\/td\u003e\n \u003ctd\u003e12.5\u003c\/td\u003e\n \u003ctd\u003e9.0\u003c\/td\u003e\n \u003ctd\u003e4.08\u003c\/td\u003e\n \u003ctd\u003e4.90\u003c\/td\u003e\n \u003ctd\u003e8.3\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eDimensions\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eSize: 12.5 mm x 12.5 mm x 5.0 mm\u003c\/li\u003e\n \u003cli\u003eRecommended PCB layout and schematic provided in datasheet\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eEnvironmental \u0026amp; Operating Conditions\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eStorage temperature: -40°C to +125°C\u003c\/li\u003e\n \u003cli\u003eOperating temperature: -40°C to +125°C (ambient plus self-temperature rise)\u003c\/li\u003e\n \u003cli\u003eSolder reflow compliant with J-STD-020\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAdditional Information\u003c\/h3\u003e\n\u003cp\u003eFor detailed technical data, application guidelines, and soldering profiles, please refer to the \u003ca href=\"https:\/\/www.eaton.com\/content\/dam\/eaton\/products\/electronic-components\/resources\/data-sheet\/eaton-hcf1305-high-current-power-inductors-data-sheet.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cp\u003ePart Number: HCF1305-3R3-R\u003cbr\u003e\nManufacturer: Eaton Electronics\u003cbr\u003e\nCountry of Origin: Philippines (PH)\u003cbr\u003e\nUnit of Measure: Each (EA)\u003cbr\u003e\nECCN: EAR99\u003cbr\u003e\nPackage Type: Tape \u0026amp; Reel (T\u0026amp;R)\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eNote: The datasheet was not processed; please search the internet for the part number for more details.\u003c\/em\u003e\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.
