Optimize your electronic designs with the EATON ELECTRONICS UP1B-331-R fixed inductor, a high-performance power inductor designed for demanding applications. Manufactured in the Philippines, this SMD power inductor offers reliable performance in compact form factors suitable for a wide range of electronic devices.
Product Features
Inductance: 330µH with a tolerance of ±20%
Maximum current: 0.31A (I SAT)
Resistance: 3.1Ω DCR (max)
Ferrite core material for high efficiency
Protective case design to eliminate core breakage
Meets UL 94V-0 flammability standard
Suitable for buck or boost inductor applications
Ideal for workstations, servers, desktop computers, portable power devices, and industrial power supplies
RoHS compliant
Technical Specifications
Part Number
Inductance (µH)
OCL (µH ±20%)
I R MS (A)
I SAT (A)
DCR (Ω max)
UP1B-331-R
330.0
331.90
0.82
0.99
0.3670
Environmental & Mechanical Data
Storage temperature: -40°C to +125°C
Operating temperature: -40°C to +125°C
Solder reflow compliant (J-STD-020)
Physical Dimensions
Refer to the datasheet for detailed PCB pad layout and dimensions.
Additional Information
Part Number: UP1B-331-R
Manufacturer: EATON ELECTRONICS
Country of Origin: PH
Unit of Measure: EA
ECCN: EAR99
Package Type: SMD
Datasheet: Download Datasheet
For more detailed specifications and application guidelines, please refer to the datasheet provided.
Note: Datasheet was not processed please search the internet for the part number for more details.
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{"id":10020655661373,"title":"UP1B-331-R","handle":"up1b-331-r","description":"\u003ch3\u003eUP1B-331-R Fixed Inductor 330µH 0.31A 3.1Ω - EATON ELECTRONICS\u003c\/h3\u003e\n\n\u003cp\u003eOptimize your electronic designs with the EATON ELECTRONICS UP1B-331-R fixed inductor, a high-performance power inductor designed for demanding applications. Manufactured in the Philippines, this SMD power inductor offers reliable performance in compact form factors suitable for a wide range of electronic devices.\u003c\/p\u003e\n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eInductance: 330µH with a tolerance of ±20%\u003c\/li\u003e\n \u003cli\u003eMaximum current: 0.31A (I SAT)\u003c\/li\u003e\n \u003cli\u003eResistance: 3.1Ω DCR (max)\u003c\/li\u003e\n \u003cli\u003eFerrite core material for high efficiency\u003c\/li\u003e\n \u003cli\u003eProtective case design to eliminate core breakage\u003c\/li\u003e\n \u003cli\u003eMeets UL 94V-0 flammability standard\u003c\/li\u003e\n \u003cli\u003eSuitable for buck or boost inductor applications\u003c\/li\u003e\n \u003cli\u003eIdeal for workstations, servers, desktop computers, portable power devices, and industrial power supplies\u003c\/li\u003e\n \u003cli\u003eRoHS compliant\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003ePart Number\u003c\/th\u003e\n \u003cth\u003eInductance (µH)\u003c\/th\u003e\n \u003cth\u003eOCL (µH ±20%)\u003c\/th\u003e\n \u003cth\u003eI R MS (A)\u003c\/th\u003e\n \u003cth\u003eI SAT (A)\u003c\/th\u003e\n \u003cth\u003eDCR (Ω max)\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eUP1B-331-R\u003c\/td\u003e\n \u003ctd\u003e330.0\u003c\/td\u003e\n \u003ctd\u003e331.90\u003c\/td\u003e\n \u003ctd\u003e0.82\u003c\/td\u003e\n \u003ctd\u003e0.99\u003c\/td\u003e\n \u003ctd\u003e0.3670\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eEnvironmental \u0026amp; Mechanical Data\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\u003c\/li\u003e\n \u003cli\u003eSolder reflow compliant (J-STD-020)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePhysical Dimensions\u003c\/h3\u003e\n\u003cp\u003eRefer to the datasheet for detailed PCB pad layout and dimensions.\u003c\/p\u003e\n\n\u003ch3\u003eAdditional Information\u003c\/h3\u003e\n\u003cp\u003ePart Number: UP1B-331-R\u003cbr\u003e\nManufacturer: EATON ELECTRONICS\u003cbr\u003e\nCountry of Origin: PH\u003cbr\u003e\nUnit of Measure: EA\u003cbr\u003e\nECCN: EAR99\u003cbr\u003e\nPackage Type: SMD\u003cbr\u003e\nDatasheet: \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-coi\/coi-up1b-331-r.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\u003c\/p\u003e\n\n\u003cp\u003eFor more detailed specifications and application guidelines, please refer to the datasheet provided.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Datasheet was not processed please search the internet for the part number for more details.\u003c\/p\u003e","published_at":"2025-08-12T05:04:58+05:30","created_at":"2025-08-12T05:04:58+05:30","vendor":"Waldom Electonics","type":"Inductors, Chokes \u0026 Coils","tags":["31A","Chokes","Coils","EATON-ELE","IMPORT_CSV","Inductor","Power","Smd","WLDM"],"price":12335,"price_min":12335,"price_max":12335,"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":50610394300733,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"UP1B-331-R","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"UP1B-331-R","public_title":null,"options":["Default Title"],"price":12335,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"UP1B-331-R","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/UP1B-331-R_11160094_a3b5e9db.jpg?v=1754955302"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/UP1B-331-R_11160094_a3b5e9db.jpg?v=1754955302","options":["Title"],"media":[{"alt":null,"id":45791665389885,"position":1,"preview_image":{"aspect_ratio":1.0,"height":200,"width":200,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/UP1B-331-R_11160094_a3b5e9db.jpg?v=1754955302"},"aspect_ratio":1.0,"height":200,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/UP1B-331-R_11160094_a3b5e9db.jpg?v=1754955302","width":200}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eUP1B-331-R Fixed Inductor 330µH 0.31A 3.1Ω - EATON ELECTRONICS\u003c\/h3\u003e\n\n\u003cp\u003eOptimize your electronic designs with the EATON ELECTRONICS UP1B-331-R fixed inductor, a high-performance power inductor designed for demanding applications. Manufactured in the Philippines, this SMD power inductor offers reliable performance in compact form factors suitable for a wide range of electronic devices.\u003c\/p\u003e\n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eInductance: 330µH with a tolerance of ±20%\u003c\/li\u003e\n \u003cli\u003eMaximum current: 0.31A (I SAT)\u003c\/li\u003e\n \u003cli\u003eResistance: 3.1Ω DCR (max)\u003c\/li\u003e\n \u003cli\u003eFerrite core material for high efficiency\u003c\/li\u003e\n \u003cli\u003eProtective case design to eliminate core breakage\u003c\/li\u003e\n \u003cli\u003eMeets UL 94V-0 flammability standard\u003c\/li\u003e\n \u003cli\u003eSuitable for buck or boost inductor applications\u003c\/li\u003e\n \u003cli\u003eIdeal for workstations, servers, desktop computers, portable power devices, and industrial power supplies\u003c\/li\u003e\n \u003cli\u003eRoHS compliant\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003ePart Number\u003c\/th\u003e\n \u003cth\u003eInductance (µH)\u003c\/th\u003e\n \u003cth\u003eOCL (µH ±20%)\u003c\/th\u003e\n \u003cth\u003eI R MS (A)\u003c\/th\u003e\n \u003cth\u003eI SAT (A)\u003c\/th\u003e\n \u003cth\u003eDCR (Ω max)\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eUP1B-331-R\u003c\/td\u003e\n \u003ctd\u003e330.0\u003c\/td\u003e\n \u003ctd\u003e331.90\u003c\/td\u003e\n \u003ctd\u003e0.82\u003c\/td\u003e\n \u003ctd\u003e0.99\u003c\/td\u003e\n \u003ctd\u003e0.3670\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eEnvironmental \u0026amp; Mechanical Data\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\u003c\/li\u003e\n \u003cli\u003eSolder reflow compliant (J-STD-020)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePhysical Dimensions\u003c\/h3\u003e\n\u003cp\u003eRefer to the datasheet for detailed PCB pad layout and dimensions.\u003c\/p\u003e\n\n\u003ch3\u003eAdditional Information\u003c\/h3\u003e\n\u003cp\u003ePart Number: UP1B-331-R\u003cbr\u003e\nManufacturer: EATON ELECTRONICS\u003cbr\u003e\nCountry of Origin: PH\u003cbr\u003e\nUnit of Measure: EA\u003cbr\u003e\nECCN: EAR99\u003cbr\u003e\nPackage Type: SMD\u003cbr\u003e\nDatasheet: \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-coi\/coi-up1b-331-r.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\u003c\/p\u003e\n\n\u003cp\u003eFor more detailed specifications and application guidelines, please refer to the datasheet provided.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e 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.
