WCL2520-121-R RF Inductors-SMD Chip Inductor by Eaton Electronics
Introducing the WCL2520-121-R, a high-performance surface-mount chip inductor manufactured by Eaton Electronics, designed for a wide range of RF and electronic applications. This wire wound chip inductor features compact dimensions of 2.92 x 2.79 x 2.1 mm, making it ideal for space-constrained designs.
Product Features
Package: 1008 (2520 metric) with Tape & Reel packaging (2000 parts per reel)
High Q value for efficient RF performance
Tight inductance tolerance within ±5%
Inductance range from 0.12 µH to 220 µH
RoHS compliant and moisture sensitivity level (MSL): 1
Suitable for applications including IoT, computing, smart meters, industrial equipment, M2M, mobile phones, wearables, wireless LAN, Bluetooth, WiFi, antenna, and RF transceiver modules
Operating temperature range: -40 °C to +85 °C
Solder reflow compliant with J-STD-020 (latest revision)
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{"id":10022006292797,"title":"WCL2520-121-R","handle":"wcl2520-121-r","description":"\u003ch3\u003eWCL2520-121-R RF Inductors-SMD Chip Inductor by Eaton Electronics\u003c\/h3\u003e\n\u003cp\u003eIntroducing the WCL2520-121-R, a high-performance surface-mount chip inductor manufactured by Eaton Electronics, designed for a wide range of RF and electronic applications. This wire wound chip inductor features compact dimensions of 2.92 x 2.79 x 2.1 mm, making it ideal for space-constrained designs.\u003c\/p\u003e\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePackage: 1008 (2520 metric) with Tape \u0026amp; Reel packaging (2000 parts per reel)\u003c\/li\u003e\n\u003cli\u003eHigh Q value for efficient RF performance\u003c\/li\u003e\n\u003cli\u003eTight inductance tolerance within ±5%\u003c\/li\u003e\n\u003cli\u003eInductance range from 0.12 µH to 220 µH\u003c\/li\u003e\n\u003cli\u003eRoHS compliant and moisture sensitivity level (MSL): 1\u003c\/li\u003e\n\u003cli\u003eSuitable for applications including IoT, computing, smart meters, industrial equipment, M2M, mobile phones, wearables, wireless LAN, Bluetooth, WiFi, antenna, and RF transceiver modules\u003c\/li\u003e\n\u003cli\u003eOperating temperature range: -40 °C to +85 °C\u003c\/li\u003e\n\u003cli\u003eSolder reflow compliant with J-STD-020 (latest revision)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"5\" cellspacing=\"0\"\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\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003eWCL2520-121-R\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eEaton Electronics\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCountry of Origin\u003c\/td\u003e\n\u003ctd\u003eCN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUOM\u003c\/td\u003e\n\u003ctd\u003eEA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eECCN\u003c\/td\u003e\n\u003ctd\u003eEAR99\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage Type\u003c\/td\u003e\n\u003ctd\u003eT\u0026amp;R (Tape \u0026amp; Reel)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDatasheet\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/www.eaton.com\/content\/dam\/eaton\/products\/electronic-components\/resources\/data-sheet\/eaton-wcl2520-wire-wound-chip-inductor.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eElectrical and Mechanical Characteristics\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"5\" cellspacing=\"0\"\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eWCL2520-R120-R\u003c\/th\u003e\n\u003cth\u003eWCL2520-R390-R\u003c\/th\u003e\n\u003cth\u003eWCL2520-R560-R\u003c\/th\u003e\n\u003cth\u003eWCL2520-R680-R\u003c\/th\u003e\n\u003cth\u003eWCL2520-R820-R\u003c\/th\u003e\n\u003cth\u003eWCL2520-1R0-R\u003c\/th\u003e\n\u003cth\u003eWCL2520-1R2-R\u003c\/th\u003e\n\u003cth\u003eWCL2520-1R5-R\u003c\/th\u003e\n\u003cth\u003eWCL2520-1R8-R\u003c\/th\u003e\n\u003cth\u003eWCL2520-2R2-R\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInductance (uH) ±5%\u003c\/td\u003e\n\u003ctd\u003e0.12\u003c\/td\u003e\n\u003ctd\u003e0.39\u003c\/td\u003e\n\u003ctd\u003e0.56\u003c\/td\u003e\n\u003ctd\u003e0.68\u003c\/td\u003e\n\u003ctd\u003e0.82\u003c\/td\u003e\n\u003ctd\u003e1.0\u003c\/td\u003e\n\u003ctd\u003e1.2\u003c\/td\u003e\n\u003ctd\u003e1.5\u003c\/td\u003e\n\u003ctd\u003e1.8\u003c\/td\u003e\n\u003ctd\u003e2.2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTest Frequency (MHz)\u003c\/td\u003e\n\u003ctd\u003e800\u003c\/td\u003e\n\u003ctd\u003e600\u003c\/td\u003e\n\u003ctd\u003e600\u003c\/td\u003e\n\u003ctd\u003e600\u003c\/td\u003e\n\u003ctd\u003e600\u003c\/td\u003e\n\u003ctd\u003e580\u003c\/td\u003e\n\u003ctd\u003e550\u003c\/td\u003e\n\u003ctd\u003e400\u003c\/td\u003e\n\u003ctd\u003e320\u003c\/td\u003e\n\u003ctd\u003e315\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTest Voltage (mV)\u003c\/td\u003e\n\u003ctd\u003e25.2\u003c\/td\u003e\n\u003ctd\u003e25.2\u003c\/td\u003e\n\u003ctd\u003e25.2\u003c\/td\u003e\n\u003ctd\u003e25.2\u003c\/td\u003e\n\u003ctd\u003e25.2\u003c\/td\u003e\n\u003ctd\u003e25.2\u003c\/td\u003e\n\u003ctd\u003e7.96\u003c\/td\u003e\n\u003ctd\u003e7.96\u003c\/td\u003e\n\u003ctd\u003e7.96\u003c\/td\u003e\n\u003ctd\u003e7.96\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum DCR (Ω) @ +25°C\u003c\/td\u003e\n\u003ctd\u003e0.15\u003c\/td\u003e\n\u003ctd\u003e0.29\u003c\/td\u003e\n\u003ctd\u003e0.42\u003c\/td\u003e\n\u003ctd\u003e0.45\u003c\/td\u003e\n\u003ctd\u003e0.62\u003c\/td\u003e\n\u003ctd\u003e0.55\u003c\/td\u003e\n\u003ctd\u003e0.75\u003c\/td\u003e\n\u003ctd\u003e0.85\u003c\/td\u003e\n\u003ctd\u003e0.95\u003c\/td\u003e\n\u003ctd\u003e1.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSRF (MHz) minimum\u003c\/td\u003e\n\u003ctd\u003e850\u003c\/td\u003e\n\u003ctd\u003e480\u003c\/td\u003e\n\u003ctd\u003e330\u003c\/td\u003e\n\u003ctd\u003e330\u003c\/td\u003e\n\u003ctd\u003e300\u003c\/td\u003e\n\u003ctd\u003e300\u003c\/td\u003e\n\u003ctd\u003e250\u003c\/td\u003e\n\u003ctd\u003e230\u003c\/td\u003e\n\u003ctd\u003e168\u003c\/td\u003e\n\u003ctd\u003e150\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Current (mA)\u003c\/td\u003e\n\u003ctd\u003e12\u003c\/td\u003e\n\u003ctd\u003e12\u003c\/td\u003e\n\u003ctd\u003e12\u003c\/td\u003e\n\u003ctd\u003e12\u003c\/td\u003e\n\u003ctd\u003e12\u003c\/td\u003e\n\u003ctd\u003e12\u003c\/td\u003e\n\u003ctd\u003e7.96\u003c\/td\u003e\n\u003ctd\u003e7.96\u003c\/td\u003e\n\u003ctd\u003e7.96\u003c\/td\u003e\n\u003ctd\u003e7.96\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eEnvironmental and Soldering Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eInsulation Resistance: ≥ 500 MΩ at 100 Vdc\u003c\/li\u003e\n\u003cli\u003eOperating Temperature: -40 °C to +85 °C\u003c\/li\u003e\n\u003cli\u003eSolder Reflow Temperature: Compliant with J-STD-020\u003c\/li\u003e\n\u003cli\u003eSoldering Profile: 260 °C for lead-free, 235 °C for SnPb solder\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDimensions and Packaging\u003c\/h3\u003e\n\u003cp\u003eDimensions (mm): 2.92 x 2.79 x 2.1 mm\u003c\/p\u003e\n\u003cp\u003eRecommended Pad Layout: Refer to datasheet for detailed schematic and layout.\u003c\/p\u003e\n\u003cp\u003ePackaging: Tape and reel, 2000 parts per reel.\u003c\/p\u003e\n\u003ch3\u003eNote\u003c\/h3\u003e\n\u003cp\u003eDatasheet was not processed please search the internet for the part number for more details.\u003c\/p\u003e","published_at":"2025-08-13T01:55:10+05:30","created_at":"2025-08-13T01:55:10+05:30","vendor":"Waldom Electonics","type":"","tags":["1mm","EATON-ELE","IMPORT_CSV","Inductor","RF","WLDM"],"price":1067,"price_min":1067,"price_max":1067,"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":50613754757437,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"WCL2520-121-R","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"WCL2520-121-R","public_title":null,"options":["Default Title"],"price":1067,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"WCL2520-121-R","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/52121615.jpg?v=1755030313"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/52121615.jpg?v=1755030313","options":["Title"],"media":[{"alt":null,"id":45808653697341,"position":1,"preview_image":{"aspect_ratio":1.0,"height":420,"width":420,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/52121615.jpg?v=1755030313"},"aspect_ratio":1.0,"height":420,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/52121615.jpg?v=1755030313","width":420}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eWCL2520-121-R RF Inductors-SMD Chip Inductor by Eaton Electronics\u003c\/h3\u003e\n\u003cp\u003eIntroducing the WCL2520-121-R, a high-performance surface-mount chip inductor manufactured by Eaton Electronics, designed for a wide range of RF and electronic applications. This wire wound chip inductor features compact dimensions of 2.92 x 2.79 x 2.1 mm, making it ideal for space-constrained designs.\u003c\/p\u003e\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePackage: 1008 (2520 metric) with Tape \u0026amp; Reel packaging (2000 parts per reel)\u003c\/li\u003e\n\u003cli\u003eHigh Q value for efficient RF performance\u003c\/li\u003e\n\u003cli\u003eTight inductance tolerance within ±5%\u003c\/li\u003e\n\u003cli\u003eInductance range from 0.12 µH to 220 µH\u003c\/li\u003e\n\u003cli\u003eRoHS compliant and moisture sensitivity level (MSL): 1\u003c\/li\u003e\n\u003cli\u003eSuitable for applications including IoT, computing, smart meters, industrial equipment, M2M, mobile phones, wearables, wireless LAN, Bluetooth, WiFi, antenna, and RF transceiver modules\u003c\/li\u003e\n\u003cli\u003eOperating temperature range: -40 °C to +85 °C\u003c\/li\u003e\n\u003cli\u003eSolder reflow compliant with J-STD-020 (latest revision)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"5\" cellspacing=\"0\"\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\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003eWCL2520-121-R\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eEaton Electronics\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCountry of Origin\u003c\/td\u003e\n\u003ctd\u003eCN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUOM\u003c\/td\u003e\n\u003ctd\u003eEA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eECCN\u003c\/td\u003e\n\u003ctd\u003eEAR99\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage Type\u003c\/td\u003e\n\u003ctd\u003eT\u0026amp;R (Tape \u0026amp; Reel)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDatasheet\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/www.eaton.com\/content\/dam\/eaton\/products\/electronic-components\/resources\/data-sheet\/eaton-wcl2520-wire-wound-chip-inductor.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eElectrical and Mechanical Characteristics\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"5\" cellspacing=\"0\"\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eWCL2520-R120-R\u003c\/th\u003e\n\u003cth\u003eWCL2520-R390-R\u003c\/th\u003e\n\u003cth\u003eWCL2520-R560-R\u003c\/th\u003e\n\u003cth\u003eWCL2520-R680-R\u003c\/th\u003e\n\u003cth\u003eWCL2520-R820-R\u003c\/th\u003e\n\u003cth\u003eWCL2520-1R0-R\u003c\/th\u003e\n\u003cth\u003eWCL2520-1R2-R\u003c\/th\u003e\n\u003cth\u003eWCL2520-1R5-R\u003c\/th\u003e\n\u003cth\u003eWCL2520-1R8-R\u003c\/th\u003e\n\u003cth\u003eWCL2520-2R2-R\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInductance (uH) ±5%\u003c\/td\u003e\n\u003ctd\u003e0.12\u003c\/td\u003e\n\u003ctd\u003e0.39\u003c\/td\u003e\n\u003ctd\u003e0.56\u003c\/td\u003e\n\u003ctd\u003e0.68\u003c\/td\u003e\n\u003ctd\u003e0.82\u003c\/td\u003e\n\u003ctd\u003e1.0\u003c\/td\u003e\n\u003ctd\u003e1.2\u003c\/td\u003e\n\u003ctd\u003e1.5\u003c\/td\u003e\n\u003ctd\u003e1.8\u003c\/td\u003e\n\u003ctd\u003e2.2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTest Frequency (MHz)\u003c\/td\u003e\n\u003ctd\u003e800\u003c\/td\u003e\n\u003ctd\u003e600\u003c\/td\u003e\n\u003ctd\u003e600\u003c\/td\u003e\n\u003ctd\u003e600\u003c\/td\u003e\n\u003ctd\u003e600\u003c\/td\u003e\n\u003ctd\u003e580\u003c\/td\u003e\n\u003ctd\u003e550\u003c\/td\u003e\n\u003ctd\u003e400\u003c\/td\u003e\n\u003ctd\u003e320\u003c\/td\u003e\n\u003ctd\u003e315\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTest Voltage (mV)\u003c\/td\u003e\n\u003ctd\u003e25.2\u003c\/td\u003e\n\u003ctd\u003e25.2\u003c\/td\u003e\n\u003ctd\u003e25.2\u003c\/td\u003e\n\u003ctd\u003e25.2\u003c\/td\u003e\n\u003ctd\u003e25.2\u003c\/td\u003e\n\u003ctd\u003e25.2\u003c\/td\u003e\n\u003ctd\u003e7.96\u003c\/td\u003e\n\u003ctd\u003e7.96\u003c\/td\u003e\n\u003ctd\u003e7.96\u003c\/td\u003e\n\u003ctd\u003e7.96\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum DCR (Ω) @ +25°C\u003c\/td\u003e\n\u003ctd\u003e0.15\u003c\/td\u003e\n\u003ctd\u003e0.29\u003c\/td\u003e\n\u003ctd\u003e0.42\u003c\/td\u003e\n\u003ctd\u003e0.45\u003c\/td\u003e\n\u003ctd\u003e0.62\u003c\/td\u003e\n\u003ctd\u003e0.55\u003c\/td\u003e\n\u003ctd\u003e0.75\u003c\/td\u003e\n\u003ctd\u003e0.85\u003c\/td\u003e\n\u003ctd\u003e0.95\u003c\/td\u003e\n\u003ctd\u003e1.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSRF (MHz) minimum\u003c\/td\u003e\n\u003ctd\u003e850\u003c\/td\u003e\n\u003ctd\u003e480\u003c\/td\u003e\n\u003ctd\u003e330\u003c\/td\u003e\n\u003ctd\u003e330\u003c\/td\u003e\n\u003ctd\u003e300\u003c\/td\u003e\n\u003ctd\u003e300\u003c\/td\u003e\n\u003ctd\u003e250\u003c\/td\u003e\n\u003ctd\u003e230\u003c\/td\u003e\n\u003ctd\u003e168\u003c\/td\u003e\n\u003ctd\u003e150\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Current (mA)\u003c\/td\u003e\n\u003ctd\u003e12\u003c\/td\u003e\n\u003ctd\u003e12\u003c\/td\u003e\n\u003ctd\u003e12\u003c\/td\u003e\n\u003ctd\u003e12\u003c\/td\u003e\n\u003ctd\u003e12\u003c\/td\u003e\n\u003ctd\u003e12\u003c\/td\u003e\n\u003ctd\u003e7.96\u003c\/td\u003e\n\u003ctd\u003e7.96\u003c\/td\u003e\n\u003ctd\u003e7.96\u003c\/td\u003e\n\u003ctd\u003e7.96\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eEnvironmental and Soldering Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eInsulation Resistance: ≥ 500 MΩ at 100 Vdc\u003c\/li\u003e\n\u003cli\u003eOperating Temperature: -40 °C to +85 °C\u003c\/li\u003e\n\u003cli\u003eSolder Reflow Temperature: Compliant with J-STD-020\u003c\/li\u003e\n\u003cli\u003eSoldering Profile: 260 °C for lead-free, 235 °C for SnPb solder\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDimensions and Packaging\u003c\/h3\u003e\n\u003cp\u003eDimensions (mm): 2.92 x 2.79 x 2.1 mm\u003c\/p\u003e\n\u003cp\u003eRecommended Pad Layout: Refer to datasheet for detailed schematic and layout.\u003c\/p\u003e\n\u003cp\u003ePackaging: Tape and reel, 2000 parts per reel.\u003c\/p\u003e\n\u003ch3\u003eNote\u003c\/h3\u003e\n\u003cp\u003eDatasheet 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.
