ABRACON Power Inductor - SMD Fixed 3.3μH, 1.4A, 70mΩ
Introducing the ABRACON ASPI-4020S-3R3M-T, a high-performance power inductor designed for demanding electronic applications. Manufactured in China (COO: CN), this surface-mount device (SMD) is ideal for use in DC-DC converters, communication equipment, OA equipment, LCDs, DVDs, modems, and set-top boxes.
Key Features
Shielded magnetics with low radiation
Large terminal surface for excellent PCB bonding
Low DC resistance (70 mΩ) for high efficiency
High energy storage capability for large current applications
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{"id":10026193060157,"title":"ASPI-4020S-3R3M-T","handle":"aspi-4020s-3r3m-t","description":"\u003ch3\u003eABRACON Power Inductor - SMD Fixed 3.3μH, 1.4A, 70mΩ\u003c\/h3\u003e\n\n\u003cp\u003eIntroducing the ABRACON ASPI-4020S-3R3M-T, a high-performance power inductor designed for demanding electronic applications. Manufactured in China (COO: CN), this surface-mount device (SMD) is ideal for use in DC-DC converters, communication equipment, OA equipment, LCDs, DVDs, modems, and set-top boxes.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eShielded magnetics with low radiation\u003c\/li\u003e\n\u003cli\u003eLarge terminal surface for excellent PCB bonding\u003c\/li\u003e\n\u003cli\u003eLow DC resistance (70 mΩ) for high efficiency\u003c\/li\u003e\n\u003cli\u003eHigh energy storage capability for large current applications\u003c\/li\u003e\n\u003cli\u003eCompact 4.0 x 4.0 x 2.0 mm package\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eElectrical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInductance\u003c\/td\u003e\n\u003ctd\u003e3.3μH (M tolerance)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDC Resistance (DCR)\u003c\/td\u003e\n\u003ctd\u003e70 mΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSaturation Current (Isat)\u003c\/td\u003e\n\u003ctd\u003e3.20A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Rise Current (Irms)\u003c\/td\u003e\n\u003ctd\u003e1.40A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSelf Resonant Frequency (SRF)\u003c\/td\u003e\n\u003ctd\u003e44 MHz (minimum)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature Range\u003c\/td\u003e\n\u003ctd\u003e-40°C to +125°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature Range\u003c\/td\u003e\n\u003ctd\u003e-10°C to +40°C at 70% R.H.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePhysical Dimensions\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eA\u003c\/th\u003e\n\u003cth\u003eB\u003c\/th\u003e\n\u003cth\u003eC Max.\u003c\/th\u003e\n\u003cth\u003eD\u003c\/th\u003e\n\u003cth\u003eE\u003c\/th\u003e\n\u003cth\u003eF\u003c\/th\u003e\n\u003cth\u003ea Typ.\u003c\/th\u003e\n\u003cth\u003eb Typ.\u003c\/th\u003e\n\u003cth\u003ec Typ.\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4.0±0.2 mm\u003c\/td\u003e\n\u003ctd\u003e4.0±0.2 mm\u003c\/td\u003e\n\u003ctd\u003e2.0 mm\u003c\/td\u003e\n\u003ctd\u003e3.3±0.2 mm\u003c\/td\u003e\n\u003ctd\u003e0.95±0.2 mm\u003c\/td\u003e\n\u003ctd\u003e2.1±0.2 mm\u003c\/td\u003e\n\u003ctd\u003e1.9 mm\u003c\/td\u003e\n\u003ctd\u003e1.1 mm\u003c\/td\u003e\n\u003ctd\u003e3.7 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eMaterials \u0026amp; Reflow Profile\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFerrite Core: Ni-Zn Ferrite\u003c\/li\u003e\n\u003cli\u003eWire: Polyurethane enameled copper wire\u003c\/li\u003e\n\u003cli\u003eMagnetic Glue: Epoxy resin and magnetic powder\u003c\/li\u003e\n\u003cli\u003ePlating Electrodes: Ag\/Ni\/Sn\u003c\/li\u003e\n\u003cli\u003eOuter Electrodes: Sn96.5%\/Ag3%\/Cu0.5% solder coating\u003c\/li\u003e\n\u003cli\u003eReflow Soldering: Max temperature 260°C, allowed time at max temp 5 sec, preheat 150-200°C for 60-120 sec\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackaging \u0026amp; Certification\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePackage Type: Reel\u003c\/li\u003e\n\u003cli\u003eRoHS Compliant: Yes\u003c\/li\u003e\n\u003cli\u003eCertifications: ISO9001:2008\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAdditional Information\u003c\/h3\u003e\n\u003cp\u003eFor detailed electrical characteristics curves and further technical data, please refer to the \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-abr\/abr-aspi-4020s-3r3m-t.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cp\u003ePart Number: ASPI-4020S-3R3M-T\u003cbr\u003e\nManufacturer: ABRACON\u003cbr\u003e\nCountry of Origin: CN\u003cbr\u003e\nUOM: EA\u003cbr\u003e\nECCN: EAR99\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e The datasheet was not processed; please search the internet for the part number for more details.\u003c\/p\u003e\u003cbr\u003e","published_at":"2025-08-15T03:06:30+05:30","created_at":"2025-08-15T03:06:32+05:30","vendor":"Waldom Electonics","type":"Inductors, Chokes \u0026 Coils","tags":["4A","ABRAC","Chokes","Coils","IMPORT_CSV","Inductor","Power","SMD","WLDM"],"price":1455,"price_min":1455,"price_max":1455,"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":50621717545277,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"ASPI-4020S-3R3M-T","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"ASPI-4020S-3R3M-T","public_title":null,"options":["Default Title"],"price":1455,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"ASPI-4020S-3R3M-T","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/ASPI-4020S-3R3M-T_52364444_55f15ef7.jpg?v=1755207392"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/ASPI-4020S-3R3M-T_52364444_55f15ef7.jpg?v=1755207392","options":["Title"],"media":[{"alt":null,"id":45844993933629,"position":1,"preview_image":{"aspect_ratio":1.0,"height":200,"width":200,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/ASPI-4020S-3R3M-T_52364444_55f15ef7.jpg?v=1755207392"},"aspect_ratio":1.0,"height":200,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/ASPI-4020S-3R3M-T_52364444_55f15ef7.jpg?v=1755207392","width":200}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eABRACON Power Inductor - SMD Fixed 3.3μH, 1.4A, 70mΩ\u003c\/h3\u003e\n\n\u003cp\u003eIntroducing the ABRACON ASPI-4020S-3R3M-T, a high-performance power inductor designed for demanding electronic applications. Manufactured in China (COO: CN), this surface-mount device (SMD) is ideal for use in DC-DC converters, communication equipment, OA equipment, LCDs, DVDs, modems, and set-top boxes.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eShielded magnetics with low radiation\u003c\/li\u003e\n\u003cli\u003eLarge terminal surface for excellent PCB bonding\u003c\/li\u003e\n\u003cli\u003eLow DC resistance (70 mΩ) for high efficiency\u003c\/li\u003e\n\u003cli\u003eHigh energy storage capability for large current applications\u003c\/li\u003e\n\u003cli\u003eCompact 4.0 x 4.0 x 2.0 mm package\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eElectrical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInductance\u003c\/td\u003e\n\u003ctd\u003e3.3μH (M tolerance)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDC Resistance (DCR)\u003c\/td\u003e\n\u003ctd\u003e70 mΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSaturation Current (Isat)\u003c\/td\u003e\n\u003ctd\u003e3.20A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Rise Current (Irms)\u003c\/td\u003e\n\u003ctd\u003e1.40A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSelf Resonant Frequency (SRF)\u003c\/td\u003e\n\u003ctd\u003e44 MHz (minimum)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature Range\u003c\/td\u003e\n\u003ctd\u003e-40°C to +125°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature Range\u003c\/td\u003e\n\u003ctd\u003e-10°C to +40°C at 70% R.H.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePhysical Dimensions\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eA\u003c\/th\u003e\n\u003cth\u003eB\u003c\/th\u003e\n\u003cth\u003eC Max.\u003c\/th\u003e\n\u003cth\u003eD\u003c\/th\u003e\n\u003cth\u003eE\u003c\/th\u003e\n\u003cth\u003eF\u003c\/th\u003e\n\u003cth\u003ea Typ.\u003c\/th\u003e\n\u003cth\u003eb Typ.\u003c\/th\u003e\n\u003cth\u003ec Typ.\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4.0±0.2 mm\u003c\/td\u003e\n\u003ctd\u003e4.0±0.2 mm\u003c\/td\u003e\n\u003ctd\u003e2.0 mm\u003c\/td\u003e\n\u003ctd\u003e3.3±0.2 mm\u003c\/td\u003e\n\u003ctd\u003e0.95±0.2 mm\u003c\/td\u003e\n\u003ctd\u003e2.1±0.2 mm\u003c\/td\u003e\n\u003ctd\u003e1.9 mm\u003c\/td\u003e\n\u003ctd\u003e1.1 mm\u003c\/td\u003e\n\u003ctd\u003e3.7 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eMaterials \u0026amp; Reflow Profile\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFerrite Core: Ni-Zn Ferrite\u003c\/li\u003e\n\u003cli\u003eWire: Polyurethane enameled copper wire\u003c\/li\u003e\n\u003cli\u003eMagnetic Glue: Epoxy resin and magnetic powder\u003c\/li\u003e\n\u003cli\u003ePlating Electrodes: Ag\/Ni\/Sn\u003c\/li\u003e\n\u003cli\u003eOuter Electrodes: Sn96.5%\/Ag3%\/Cu0.5% solder coating\u003c\/li\u003e\n\u003cli\u003eReflow Soldering: Max temperature 260°C, allowed time at max temp 5 sec, preheat 150-200°C for 60-120 sec\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackaging \u0026amp; Certification\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePackage Type: Reel\u003c\/li\u003e\n\u003cli\u003eRoHS Compliant: Yes\u003c\/li\u003e\n\u003cli\u003eCertifications: ISO9001:2008\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAdditional Information\u003c\/h3\u003e\n\u003cp\u003eFor detailed electrical characteristics curves and further technical data, please refer to the \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-abr\/abr-aspi-4020s-3r3m-t.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cp\u003ePart Number: ASPI-4020S-3R3M-T\u003cbr\u003e\nManufacturer: ABRACON\u003cbr\u003e\nCountry of Origin: CN\u003cbr\u003e\nUOM: EA\u003cbr\u003e\nECCN: EAR99\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e The datasheet was not processed; please search the internet for the part number for more details.\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.
