Introducing the IRC OARS1R020JLF Current Sense Resistor, a high-performance surface mount device designed for precise current measurement in electronic circuits. Manufactured by IRC/TT ELECTRONICS and compliant with RoHS standards, this resistor offers reliable performance in demanding applications.
Key Features
Power Rating: 1W
Resistance Value: 0.02Ω (20 milliohms)
RoHS Compliant: Yes
Package Type: Reel
Surface Mount Design for easy PCB integration
Flexible leads to accommodate thermal expansion
Open air design minimizes PCB heating
Resistance values down to 1mΩ available
Temperature Coefficient of Resistance (TCR): ±40ppm/°C
Element TCR: ±20ppm/°C
Zero-ohm jumper version available for high current applications (65A)
Qualified to AEC-Q200 standards
Electrical & Physical Data
General Note
TT Electronics reserves the right to make changes in product specification without notice or liability. All information is considered accurate at the time of printing.
Thermal & Mounting Details
The OARS series maintains thermal distance from solder joints, reducing undesirable heat transfer to the PCB. High precision applications benefit from Kelvin 4-terminal mounting, ensuring accurate current sensing.
Construction & Packaging
Constructed with welded copper terminations on resistance alloy strip
Value adjustment via width control and optional notch trimming
Pb-free termination finish: 96% Sn / 4% Ag alloy
Packaging: Reel
Ordering Information
European Part Number: OARS1-R01JI (10 milliohms ±5%, Pb-free)
European Zero-Ohm Jumper: OARS-1Z
USA Part Number: OARS1R010JLF (10 milliohms ±5%, Pb-free)
Note: The datasheet was not processed; please search the internet for the part number for more 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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Manufactured by IRC\/TT ELECTRONICS and compliant with RoHS standards, this resistor offers reliable performance in demanding applications.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePower Rating: 1W\u003c\/li\u003e\n\u003cli\u003eResistance Value: 0.02Ω (20 milliohms)\u003c\/li\u003e\n\u003cli\u003eRoHS Compliant: Yes\u003c\/li\u003e\n\u003cli\u003ePackage Type: Reel\u003c\/li\u003e\n\u003cli\u003eSurface Mount Design for easy PCB integration\u003c\/li\u003e\n\u003cli\u003eFlexible leads to accommodate thermal expansion\u003c\/li\u003e\n\u003cli\u003eOpen air design minimizes PCB heating\u003c\/li\u003e\n\u003cli\u003eResistance values down to 1mΩ available\u003c\/li\u003e\n\u003cli\u003eTemperature Coefficient of Resistance (TCR): ±40ppm\/°C\u003c\/li\u003e\n\u003cli\u003eElement TCR: ±20ppm\/°C\u003c\/li\u003e\n\u003cli\u003eZero-ohm jumper version available for high current applications (65A)\u003c\/li\u003e\n\u003cli\u003eQualified to AEC-Q200 standards\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eElectrical \u0026amp; Physical Data\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eGeneral Note\u003c\/th\u003e\n\u003ctd\u003eTT Electronics reserves the right to make changes in product specification without notice or liability. All information is considered accurate at the time of printing.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eThermal \u0026amp; Mounting Details\u003c\/h3\u003e\n\u003cp\u003eThe OARS series maintains thermal distance from solder joints, reducing undesirable heat transfer to the PCB. High precision applications benefit from Kelvin 4-terminal mounting, ensuring accurate current sensing.\u003c\/p\u003e\n\u003ch3\u003eConstruction \u0026amp; Packaging\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eConstructed with welded copper terminations on resistance alloy strip\u003c\/li\u003e\n\u003cli\u003eValue adjustment via width control and optional notch trimming\u003c\/li\u003e\n\u003cli\u003ePb-free termination finish: 96% Sn \/ 4% Ag alloy\u003c\/li\u003e\n\u003cli\u003ePackaging: Reel\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eOrdering Information\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEuropean Part Number: \u003cstrong\u003eOARS1-R01JI\u003c\/strong\u003e (10 milliohms ±5%, Pb-free)\u003c\/li\u003e\n\u003cli\u003eEuropean Zero-Ohm Jumper: \u003cstrong\u003eOARS-1Z\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eUSA Part Number: \u003cstrong\u003eOARS1R010JLF\u003c\/strong\u003e (10 milliohms ±5%, Pb-free)\u003c\/li\u003e\n\u003cli\u003eUSA Zero-Ohm Jumper: \u003cstrong\u003eOARS-1ZLF\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDatasheet \u0026amp; Additional Information\u003c\/h3\u003e\n\u003cp\u003eFor detailed specifications, download the datasheet here: \u003ca href=\"https:\/\/www.waldomapac.com\/productfiles\/mf-IRC\/OARS1R020JLF.pdf\" target=\"_blank\"\u003eOARS1R020JLF Datasheet\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eProduct Metadata\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePart Number: OARS1R020JLF\u003c\/li\u003e\n\u003cli\u003eManufacturer Name: IRC\/TT ELECTRONICS\u003c\/li\u003e\n\u003cli\u003eCountry of Origin: MX\u003c\/li\u003e\n\u003cli\u003eUnit of Measure: EA\u003c\/li\u003e\n\u003cli\u003eECCN: EAR99\u003c\/li\u003e\n\u003cli\u003ePackage Type: REEL\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eNote: The datasheet was not processed; please search the internet for the part number for more 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":"2025-08-07T21:46:50+05:30","created_at":"2025-08-07T21:46:50+05:30","vendor":"Waldom Electonics","type":"","tags":["1W","IRC-TTEL","Resistor","SMD","STD_IMG","WLDM"],"price":3049,"price_min":3049,"price_max":3049,"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":50560149782845,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"OARS1R020JLF","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"OARS1R020JLF","public_title":null,"options":["Default Title"],"price":3049,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"OARS1R020JLF","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/fbe811dc-181f-41c1-ab5a-dc3410446d1d_1db8328f-f594-43c6-bcb3-9a6747a82f95.jpg?v=1754583410"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/fbe811dc-181f-41c1-ab5a-dc3410446d1d_1db8328f-f594-43c6-bcb3-9a6747a82f95.jpg?v=1754583410","options":["Title"],"media":[{"alt":null,"id":45716190986557,"position":1,"preview_image":{"aspect_ratio":1.0,"height":1024,"width":1024,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/fbe811dc-181f-41c1-ab5a-dc3410446d1d_1db8328f-f594-43c6-bcb3-9a6747a82f95.jpg?v=1754583410"},"aspect_ratio":1.0,"height":1024,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/fbe811dc-181f-41c1-ab5a-dc3410446d1d_1db8328f-f594-43c6-bcb3-9a6747a82f95.jpg?v=1754583410","width":1024}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eIntroducing the IRC OARS1R020JLF Current Sense Resistor, a high-performance surface mount device designed for precise current measurement in electronic circuits. Manufactured by IRC\/TT ELECTRONICS and compliant with RoHS standards, this resistor offers reliable performance in demanding applications.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePower Rating: 1W\u003c\/li\u003e\n\u003cli\u003eResistance Value: 0.02Ω (20 milliohms)\u003c\/li\u003e\n\u003cli\u003eRoHS Compliant: Yes\u003c\/li\u003e\n\u003cli\u003ePackage Type: Reel\u003c\/li\u003e\n\u003cli\u003eSurface Mount Design for easy PCB integration\u003c\/li\u003e\n\u003cli\u003eFlexible leads to accommodate thermal expansion\u003c\/li\u003e\n\u003cli\u003eOpen air design minimizes PCB heating\u003c\/li\u003e\n\u003cli\u003eResistance values down to 1mΩ available\u003c\/li\u003e\n\u003cli\u003eTemperature Coefficient of Resistance (TCR): ±40ppm\/°C\u003c\/li\u003e\n\u003cli\u003eElement TCR: ±20ppm\/°C\u003c\/li\u003e\n\u003cli\u003eZero-ohm jumper version available for high current applications (65A)\u003c\/li\u003e\n\u003cli\u003eQualified to AEC-Q200 standards\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eElectrical \u0026amp; Physical Data\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eGeneral Note\u003c\/th\u003e\n\u003ctd\u003eTT Electronics reserves the right to make changes in product specification without notice or liability. All information is considered accurate at the time of printing.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eThermal \u0026amp; Mounting Details\u003c\/h3\u003e\n\u003cp\u003eThe OARS series maintains thermal distance from solder joints, reducing undesirable heat transfer to the PCB. High precision applications benefit from Kelvin 4-terminal mounting, ensuring accurate current sensing.\u003c\/p\u003e\n\u003ch3\u003eConstruction \u0026amp; Packaging\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eConstructed with welded copper terminations on resistance alloy strip\u003c\/li\u003e\n\u003cli\u003eValue adjustment via width control and optional notch trimming\u003c\/li\u003e\n\u003cli\u003ePb-free termination finish: 96% Sn \/ 4% Ag alloy\u003c\/li\u003e\n\u003cli\u003ePackaging: Reel\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eOrdering Information\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEuropean Part Number: \u003cstrong\u003eOARS1-R01JI\u003c\/strong\u003e (10 milliohms ±5%, Pb-free)\u003c\/li\u003e\n\u003cli\u003eEuropean Zero-Ohm Jumper: \u003cstrong\u003eOARS-1Z\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eUSA Part Number: \u003cstrong\u003eOARS1R010JLF\u003c\/strong\u003e (10 milliohms ±5%, Pb-free)\u003c\/li\u003e\n\u003cli\u003eUSA Zero-Ohm Jumper: \u003cstrong\u003eOARS-1ZLF\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDatasheet \u0026amp; Additional Information\u003c\/h3\u003e\n\u003cp\u003eFor detailed specifications, download the datasheet here: \u003ca href=\"https:\/\/www.waldomapac.com\/productfiles\/mf-IRC\/OARS1R020JLF.pdf\" target=\"_blank\"\u003eOARS1R020JLF Datasheet\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eProduct Metadata\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePart Number: OARS1R020JLF\u003c\/li\u003e\n\u003cli\u003eManufacturer Name: IRC\/TT ELECTRONICS\u003c\/li\u003e\n\u003cli\u003eCountry of Origin: MX\u003c\/li\u003e\n\u003cli\u003eUnit of Measure: EA\u003c\/li\u003e\n\u003cli\u003eECCN: EAR99\u003c\/li\u003e\n\u003cli\u003ePackage Type: REEL\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eNote: The datasheet was not processed; please search the internet for the part number for more 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"}
