The UP4T-221-R is a high-quality, unshielded inductor manufactured by EATON ELECTRONICS, designed for reliable performance in electronic applications requiring precise inductance and current handling capabilities. This through-hole component features a rated inductance of 220µH with a maximum DC resistance of 0.3571Ω.
Key Features:
Rated Inductance: 220µH
Maximum DC Resistance (DCR): 0.3571Ω
Maximum RMS Current: 1.4A at approximately 40°C temperature rise
Peak Saturation Current: 2.4A
Open Circuit Inductance (OCL): 221.3µH at 100kHz, 0.25Vrms
For more detailed specifications and technical information, please refer to the datasheet provided. This component is suitable for power supplies, filtering, and other electronic circuits requiring stable inductance and current capacity.
Note: The datasheet was not processed; please search the internet for the part number UP4T-221-R for additional details.
Note: The product image displayed is a standard reference image. Actual product appearance may vary. For the most accurate and up-to-date representation, we recommend searching the part number online.
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{"id":10008431231293,"title":"UP4T-221-R","handle":"up4t-221-r","description":"\u003ch3\u003eProduct Description: EATON ELECTRONICS UP4T-221-R Inductor Unshield 220µH 1.4A T\/h\u003c\/h3\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eUP4T-221-R\u003c\/strong\u003e is a high-quality, unshielded inductor manufactured by \u003cstrong\u003eEATON ELECTRONICS\u003c\/strong\u003e, designed for reliable performance in electronic applications requiring precise inductance and current handling capabilities. This through-hole component features a rated inductance of \u003cstrong\u003e220µH\u003c\/strong\u003e with a maximum DC resistance of \u003cstrong\u003e0.3571Ω\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features:\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eRated Inductance: 220µH\u003c\/li\u003e\n \u003cli\u003eMaximum DC Resistance (DCR): 0.3571Ω\u003c\/li\u003e\n \u003cli\u003eMaximum RMS Current: 1.4A at approximately 40°C temperature rise\u003c\/li\u003e\n \u003cli\u003ePeak Saturation Current: 2.4A\u003c\/li\u003e\n \u003cli\u003eOpen Circuit Inductance (OCL): 221.3µH at 100kHz, 0.25Vrms\u003c\/li\u003e\n \u003cli\u003ePackage Type: Through-hole\u003c\/li\u003e\n \u003cli\u003eRoHS compliant\u003c\/li\u003e\n \u003cli\u003eECCN: EAR99\u003c\/li\u003e\n \u003cli\u003eUnit of Measure: Each (EA)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eElectrical 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 Nominal ±20% (µH)\u003c\/th\u003e\n \u003cth\u003eI RMS (A)\u003c\/th\u003e\n \u003cth\u003eI Peak SAT (A)\u003c\/th\u003e\n \u003cth\u003eDCR (Ω) max @ 20°C\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eUP4T-221-R\u003c\/td\u003e\n \u003ctd\u003e220.0\u003c\/td\u003e\n \u003ctd\u003e221.3\u003c\/td\u003e\n \u003ctd\u003e1.4\u003c\/td\u003e\n \u003ctd\u003e2.4\u003c\/td\u003e\n \u003ctd\u003e0.3571\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAdditional Details:\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003ePart Number: UP4T-221-R\u003c\/li\u003e\n \u003cli\u003eManufacturer: \u003cstrong\u003eEATON ELECTRONICS\u003c\/strong\u003e\n\u003c\/li\u003e\n \u003cli\u003eCountry of Origin: Philippines (PH)\u003c\/li\u003e\n \u003cli\u003ePackage Type: Through-hole\u003c\/li\u003e\n \u003cli\u003eDatasheet: \u003ca href=\"https:\/\/www.waldomapac.com\/productfiles\/mf-BS\/UP4T-221-R.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor more detailed specifications and technical information, please refer to the datasheet provided. This component is suitable for power supplies, filtering, and other electronic circuits requiring stable inductance and current capacity.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eNote: The datasheet was not processed; please search the internet for the part number UP4T-221-R for additional details.\u003c\/em\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eNote: The product image displayed is a standard reference image. Actual product appearance may vary. For the most accurate and up-to-date representation, we recommend searching the part number online.\u003c\/strong\u003e\u003c\/p\u003e","published_at":"2025-08-08T02:08:42+05:30","created_at":"2025-08-08T02:08:42+05:30","vendor":"Waldom Electonics","type":"","tags":["4A","EATON-ELE","Inductor","STD_IMG","WLDM"],"price":12057,"price_min":12057,"price_max":12057,"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":50560841777469,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"UP4T-221-R","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"UP4T-221-R","public_title":null,"options":["Default Title"],"price":12057,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"UP4T-221-R","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/fbe811dc-181f-41c1-ab5a-dc3410446d1d_f82e8fbe-161c-4f66-91ca-287e95055caf.jpg?v=1754599122"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/fbe811dc-181f-41c1-ab5a-dc3410446d1d_f82e8fbe-161c-4f66-91ca-287e95055caf.jpg?v=1754599122","options":["Title"],"media":[{"alt":null,"id":45718707601725,"position":1,"preview_image":{"aspect_ratio":1.0,"height":1024,"width":1024,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/fbe811dc-181f-41c1-ab5a-dc3410446d1d_f82e8fbe-161c-4f66-91ca-287e95055caf.jpg?v=1754599122"},"aspect_ratio":1.0,"height":1024,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/fbe811dc-181f-41c1-ab5a-dc3410446d1d_f82e8fbe-161c-4f66-91ca-287e95055caf.jpg?v=1754599122","width":1024}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eProduct Description: EATON ELECTRONICS UP4T-221-R Inductor Unshield 220µH 1.4A T\/h\u003c\/h3\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eUP4T-221-R\u003c\/strong\u003e is a high-quality, unshielded inductor manufactured by \u003cstrong\u003eEATON ELECTRONICS\u003c\/strong\u003e, designed for reliable performance in electronic applications requiring precise inductance and current handling capabilities. This through-hole component features a rated inductance of \u003cstrong\u003e220µH\u003c\/strong\u003e with a maximum DC resistance of \u003cstrong\u003e0.3571Ω\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features:\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eRated Inductance: 220µH\u003c\/li\u003e\n \u003cli\u003eMaximum DC Resistance (DCR): 0.3571Ω\u003c\/li\u003e\n \u003cli\u003eMaximum RMS Current: 1.4A at approximately 40°C temperature rise\u003c\/li\u003e\n \u003cli\u003ePeak Saturation Current: 2.4A\u003c\/li\u003e\n \u003cli\u003eOpen Circuit Inductance (OCL): 221.3µH at 100kHz, 0.25Vrms\u003c\/li\u003e\n \u003cli\u003ePackage Type: Through-hole\u003c\/li\u003e\n \u003cli\u003eRoHS compliant\u003c\/li\u003e\n \u003cli\u003eECCN: EAR99\u003c\/li\u003e\n \u003cli\u003eUnit of Measure: Each (EA)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eElectrical 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 Nominal ±20% (µH)\u003c\/th\u003e\n \u003cth\u003eI RMS (A)\u003c\/th\u003e\n \u003cth\u003eI Peak SAT (A)\u003c\/th\u003e\n \u003cth\u003eDCR (Ω) max @ 20°C\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eUP4T-221-R\u003c\/td\u003e\n \u003ctd\u003e220.0\u003c\/td\u003e\n \u003ctd\u003e221.3\u003c\/td\u003e\n \u003ctd\u003e1.4\u003c\/td\u003e\n \u003ctd\u003e2.4\u003c\/td\u003e\n \u003ctd\u003e0.3571\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAdditional Details:\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003ePart Number: UP4T-221-R\u003c\/li\u003e\n \u003cli\u003eManufacturer: \u003cstrong\u003eEATON ELECTRONICS\u003c\/strong\u003e\n\u003c\/li\u003e\n \u003cli\u003eCountry of Origin: Philippines (PH)\u003c\/li\u003e\n \u003cli\u003ePackage Type: Through-hole\u003c\/li\u003e\n \u003cli\u003eDatasheet: \u003ca href=\"https:\/\/www.waldomapac.com\/productfiles\/mf-BS\/UP4T-221-R.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor more detailed specifications and technical information, please refer to the datasheet provided. This component is suitable for power supplies, filtering, and other electronic circuits requiring stable inductance and current capacity.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eNote: The datasheet was not processed; please search the internet for the part number UP4T-221-R for additional details.\u003c\/em\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eNote: The product image displayed is a standard reference image. Actual product appearance may vary. For the most accurate and up-to-date representation, we recommend searching the part number online.\u003c\/strong\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.
