Introducing the Eaton Electronics HCM0503-R20-R Power Inductor, a high-performance surface-mount component designed for demanding electronic applications. Manufactured in China and RoHS compliant, this inductor offers reliable high current handling with low losses, making it ideal for voltage regulation modules, multi-phase regulators, point-of-load modules, and various power systems.
Part Number: HCM0503-R20-R
Manufacturer: Eaton Electronics
Country of Origin: CN
Package Type: Reel (supplied in tape and reel packaging, 2,000 parts per reel)
ECCN: EAR99
UOM: Not specified
RoHS Compliant: Yes
Product Features
High current carrying capacity up to 21A RMS
Low core losses and magnetically shielded to reduce EMI
Frequency range up to 1 MHz
Compact surface-mount package measuring 5.5 mm x 5.3 mm with a height of 3.0 mm
Iron powder core material for high efficiency
RoHS compliant and J-STD-020 solder reflow temperature compatible
Technical Specifications
Parameter
Value
Inductance Range
0.2 μH to 22 μH
Inductance Tolerance
±20%
Current Range
1.9 A to 22 A
DC Resistance (DCR)
Typ. 0.13 mΩ; Max. 2.31 mΩ at +20°C
Peak Current (I sat)
21.0 A
Open Circuit Inductance (OCL)
0.20 μH
Full Load Inductance (FLL)
0.13 μH
Storage & Operating Temperature Range
-55°C to +125°C
Solder Reflow Temperature
J-STD-020 compliant
Additional Details
Designed for applications such as VRMs, data networking, graphics cards, and battery power systems
Effective in environments requiring high current and low EMI
Supplied in a reel for automated placement
For detailed technical data, refer to the datasheet. Please search the internet for more details if needed.
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.
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.
{"id":10007998005565,"title":"HCM0503-R20-R","handle":"hcm0503-r20-r","description":"\u003ch3\u003ePower Inductors - SMD 0.2μH 21A High Current\u003c\/h3\u003e\n\u003cp\u003eIntroducing the Eaton Electronics HCM0503-R20-R Power Inductor, a high-performance surface-mount component designed for demanding electronic applications. Manufactured in China and RoHS compliant, this inductor offers reliable high current handling with low losses, making it ideal for voltage regulation modules, multi-phase regulators, point-of-load modules, and various power systems.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e HCM0503-R20-R\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Eaton Electronics\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e CN\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Type:\u003c\/strong\u003e Reel (supplied in tape and reel packaging, 2,000 parts per reel)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eECCN:\u003c\/strong\u003e EAR99\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUOM:\u003c\/strong\u003e Not specified\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoHS Compliant:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHigh current carrying capacity up to 21A RMS\u003c\/li\u003e\n\u003cli\u003eLow core losses and magnetically shielded to reduce EMI\u003c\/li\u003e\n\u003cli\u003eFrequency range up to 1 MHz\u003c\/li\u003e\n\u003cli\u003eCompact surface-mount package measuring 5.5 mm x 5.3 mm with a height of 3.0 mm\u003c\/li\u003e\n\u003cli\u003eIron powder core material for high efficiency\u003c\/li\u003e\n\u003cli\u003eRoHS compliant and J-STD-020 solder reflow temperature compatible\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical 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 Range\u003c\/td\u003e\n\u003ctd\u003e0.2 μH to 22 μH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInductance Tolerance\u003c\/td\u003e\n\u003ctd\u003e±20%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Range\u003c\/td\u003e\n\u003ctd\u003e1.9 A to 22 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDC Resistance (DCR)\u003c\/td\u003e\n\u003ctd\u003eTyp. 0.13 mΩ; Max. 2.31 mΩ at +20°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak Current (I sat)\u003c\/td\u003e\n\u003ctd\u003e21.0 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOpen Circuit Inductance (OCL)\u003c\/td\u003e\n\u003ctd\u003e0.20 μH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull Load Inductance (FLL)\u003c\/td\u003e\n\u003ctd\u003e0.13 μH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage \u0026amp; Operating Temperature Range\u003c\/td\u003e\n\u003ctd\u003e-55°C to +125°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSolder Reflow Temperature\u003c\/td\u003e\n\u003ctd\u003eJ-STD-020 compliant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eAdditional Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for applications such as VRMs, data networking, graphics cards, and battery power systems\u003c\/li\u003e\n\u003cli\u003eEffective in environments requiring high current and low EMI\u003c\/li\u003e\n\u003cli\u003eSupplied in a reel for automated placement\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor detailed technical data, refer to the \u003ca href=\"https:\/\/www.eaton.com\/content\/dam\/eaton\/products\/electronic-components\/resources\/data-sheet\/eaton-hcm0503-high-current-power-inductors-data-sheet.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e. Please search the internet for more details if needed.\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":"2025-08-07T21:11:29+05:30","created_at":"2025-08-07T21:11:29+05:30","vendor":"Waldom Electonics","type":"","tags":["21A","EATON-ELE","Inductor","Power","SMD","STD_IMG","WLDM"],"price":10949,"price_min":10949,"price_max":10949,"available":false,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":50560074678589,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"HCM0503-R20-R","requires_shipping":true,"taxable":true,"featured_image":null,"available":false,"name":"HCM0503-R20-R","public_title":null,"options":["Default Title"],"price":10949,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"HCM0503-R20-R","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/fbe811dc-181f-41c1-ab5a-dc3410446d1d_34ad697a-d48d-4598-b843-7c52031396de.jpg?v=1754581289"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/fbe811dc-181f-41c1-ab5a-dc3410446d1d_34ad697a-d48d-4598-b843-7c52031396de.jpg?v=1754581289","options":["Title"],"media":[{"alt":null,"id":45715867959613,"position":1,"preview_image":{"aspect_ratio":1.0,"height":1024,"width":1024,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/fbe811dc-181f-41c1-ab5a-dc3410446d1d_34ad697a-d48d-4598-b843-7c52031396de.jpg?v=1754581289"},"aspect_ratio":1.0,"height":1024,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/fbe811dc-181f-41c1-ab5a-dc3410446d1d_34ad697a-d48d-4598-b843-7c52031396de.jpg?v=1754581289","width":1024}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003ePower Inductors - SMD 0.2μH 21A High Current\u003c\/h3\u003e\n\u003cp\u003eIntroducing the Eaton Electronics HCM0503-R20-R Power Inductor, a high-performance surface-mount component designed for demanding electronic applications. Manufactured in China and RoHS compliant, this inductor offers reliable high current handling with low losses, making it ideal for voltage regulation modules, multi-phase regulators, point-of-load modules, and various power systems.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e HCM0503-R20-R\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Eaton Electronics\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e CN\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Type:\u003c\/strong\u003e Reel (supplied in tape and reel packaging, 2,000 parts per reel)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eECCN:\u003c\/strong\u003e EAR99\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUOM:\u003c\/strong\u003e Not specified\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoHS Compliant:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHigh current carrying capacity up to 21A RMS\u003c\/li\u003e\n\u003cli\u003eLow core losses and magnetically shielded to reduce EMI\u003c\/li\u003e\n\u003cli\u003eFrequency range up to 1 MHz\u003c\/li\u003e\n\u003cli\u003eCompact surface-mount package measuring 5.5 mm x 5.3 mm with a height of 3.0 mm\u003c\/li\u003e\n\u003cli\u003eIron powder core material for high efficiency\u003c\/li\u003e\n\u003cli\u003eRoHS compliant and J-STD-020 solder reflow temperature compatible\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical 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 Range\u003c\/td\u003e\n\u003ctd\u003e0.2 μH to 22 μH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInductance Tolerance\u003c\/td\u003e\n\u003ctd\u003e±20%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Range\u003c\/td\u003e\n\u003ctd\u003e1.9 A to 22 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDC Resistance (DCR)\u003c\/td\u003e\n\u003ctd\u003eTyp. 0.13 mΩ; Max. 2.31 mΩ at +20°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak Current (I sat)\u003c\/td\u003e\n\u003ctd\u003e21.0 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOpen Circuit Inductance (OCL)\u003c\/td\u003e\n\u003ctd\u003e0.20 μH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull Load Inductance (FLL)\u003c\/td\u003e\n\u003ctd\u003e0.13 μH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage \u0026amp; Operating Temperature Range\u003c\/td\u003e\n\u003ctd\u003e-55°C to +125°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSolder Reflow Temperature\u003c\/td\u003e\n\u003ctd\u003eJ-STD-020 compliant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eAdditional Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for applications such as VRMs, data networking, graphics cards, and battery power systems\u003c\/li\u003e\n\u003cli\u003eEffective in environments requiring high current and low EMI\u003c\/li\u003e\n\u003cli\u003eSupplied in a reel for automated placement\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor detailed technical data, refer to the \u003ca href=\"https:\/\/www.eaton.com\/content\/dam\/eaton\/products\/electronic-components\/resources\/data-sheet\/eaton-hcm0503-high-current-power-inductors-data-sheet.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e. Please search the internet for more details if needed.\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"}