WELWYN/TT ELECTRONICS RC55Y-100RCI Precision Metal Film Resistor
Introducing the RC55Y-100RCI from WELWYN/TT ELECTRONICS, a high-precision metal film resistor designed for demanding electronic applications. Manufactured in China, this resistor offers exceptional accuracy and stability, making it ideal for precision circuitry.
Key Features
Resistance tolerance down to 0.05%
Wide resistance range for versatile applications
Low noise and negligible voltage coefficient
Temperature coefficient of resistance (TCR) as low as 5ppm/°C
Available with screened options for critical applications
Compliance with EN140101 & IECQ-CECC40101 standards
Options for Pb-free and Pb-bearing wire finishes
Physical and Electrical Specifications
Construction
Metal film deposited onto a high-quality ceramic rod with nickel-plated steel caps. Termination wires welded to caps, protected with epoxy coating.
Marking
Legend marking includes type reference, TCR code, resistance value, and tolerance code. Resistance values conform to IEC 62.
Terminations
Copper wire with Sn or SnPb finish, meeting IEC 68.2.21 for strength and IEC 115-1 for solderability.
Solvent Resistance
Resistant to normal industrial cleaning solvents suitable for printed circuit boards.
Performance Data
Resistors can be supplied matched for tolerance and TCR down to ±0.02% and ±2ppm/°C, respectively. Taped packaging is standard for RC55 and RC65 series, with options for bulk packing and custom packaging upon request.
Part Number & Packaging
European (Welwyn) Part Number: RC55V-31K6BI (Pb-free, TCR ±5ppm/°C at 31.6kΩ)
USA (IRC) Part Number: RC55LFV3162BA (Pb-free, TCR ±5ppm/°C at 31.6kΩ)
Note: The product specifications are subject to change without notice. For more detailed information, please refer to the datasheet or contact TT Electronics.
{"id":10049842676029,"title":"RC55Y-100RCI","handle":"rc55y-100rci-1","description":"\u003ch3\u003eWELWYN\/TT ELECTRONICS RC55Y-100RCI Precision Metal Film Resistor\u003c\/h3\u003e\n\n\u003cp\u003eIntroducing the \u003cstrong\u003eRC55Y-100RCI\u003c\/strong\u003e from \u003cstrong\u003eWELWYN\/TT ELECTRONICS\u003c\/strong\u003e, a high-precision metal film resistor designed for demanding electronic applications. Manufactured in China, this resistor offers exceptional accuracy and stability, making it ideal for precision circuitry.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eResistance tolerance down to 0.05%\u003c\/li\u003e\n \u003cli\u003eWide resistance range for versatile applications\u003c\/li\u003e\n \u003cli\u003eLow noise and negligible voltage coefficient\u003c\/li\u003e\n \u003cli\u003eTemperature coefficient of resistance (TCR) as low as 5ppm\/°C\u003c\/li\u003e\n \u003cli\u003eAvailable with screened options for critical applications\u003c\/li\u003e\n \u003cli\u003eCompliance with EN140101 \u0026amp; IECQ-CECC40101 standards\u003c\/li\u003e\n \u003cli\u003eOptions for Pb-free and Pb-bearing wire finishes\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePhysical and Electrical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eConstruction\u003c\/th\u003e\n \u003ctd\u003eMetal film deposited onto a high-quality ceramic rod with nickel-plated steel caps. Termination wires welded to caps, protected with epoxy coating.\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eMarking\u003c\/th\u003e\n \u003ctd\u003eLegend marking includes type reference, TCR code, resistance value, and tolerance code. Resistance values conform to IEC 62.\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eTerminations\u003c\/th\u003e\n \u003ctd\u003eCopper wire with Sn or SnPb finish, meeting IEC 68.2.21 for strength and IEC 115-1 for solderability.\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eSolvent Resistance\u003c\/th\u003e\n \u003ctd\u003eResistant to normal industrial cleaning solvents suitable for printed circuit boards.\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePerformance Data\u003c\/h3\u003e\n\u003cp\u003eResistors can be supplied matched for tolerance and TCR down to ±0.02% and ±2ppm\/°C, respectively. Taped packaging is standard for RC55 and RC65 series, with options for bulk packing and custom packaging upon request.\u003c\/p\u003e\n\n\u003ch3\u003ePart Number \u0026amp; Packaging\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eEuropean (Welwyn) Part Number: \u003cstrong\u003eRC55V-31K6BI\u003c\/strong\u003e (Pb-free, TCR ±5ppm\/°C at 31.6kΩ)\u003c\/li\u003e\n \u003cli\u003eUSA (IRC) Part Number: \u003cstrong\u003eRC55LFV3162BA\u003c\/strong\u003e (Pb-free, TCR ±5ppm\/°C at 31.6kΩ)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAdditional Details\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eUOM: EA\u003c\/li\u003e\n \u003cli\u003eCOO: CN\u003c\/li\u003e\n \u003cli\u003ePackage Type: Standard tape or bulk packing\u003c\/li\u003e\n \u003cli\u003eDatasheet: \u003ca href=\"https:\/\/www.waldomapac.com\/productfiles\/mf-WEW\/RC55Y-100RCI.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e The product specifications are subject to change without notice. For more detailed information, please refer to the datasheet or contact TT Electronics.\u003c\/p\u003e","published_at":"2025-09-05T00:35:14+05:30","created_at":"2025-09-05T00:35:14+05:30","vendor":"Waldom Electonics","type":"","tags":["TT","WELWY-TTEL","WLDM"],"price":8038,"price_min":8038,"price_max":8038,"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":50708975223101,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"RC55Y-100RCI","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"RC55Y-100RCI","public_title":null,"options":["Default Title"],"price":8038,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"RC55Y-100RCI","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/RC55Y-100RCI_53524428_30367b57.jpg?v=1757012714"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/RC55Y-100RCI_53524428_30367b57.jpg?v=1757012714","options":["Title"],"media":[{"alt":null,"id":46198206005565,"position":1,"preview_image":{"aspect_ratio":0.975,"height":200,"width":195,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/RC55Y-100RCI_53524428_30367b57.jpg?v=1757012714"},"aspect_ratio":0.975,"height":200,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/RC55Y-100RCI_53524428_30367b57.jpg?v=1757012714","width":195}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eWELWYN\/TT ELECTRONICS RC55Y-100RCI Precision Metal Film Resistor\u003c\/h3\u003e\n\n\u003cp\u003eIntroducing the \u003cstrong\u003eRC55Y-100RCI\u003c\/strong\u003e from \u003cstrong\u003eWELWYN\/TT ELECTRONICS\u003c\/strong\u003e, a high-precision metal film resistor designed for demanding electronic applications. Manufactured in China, this resistor offers exceptional accuracy and stability, making it ideal for precision circuitry.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eResistance tolerance down to 0.05%\u003c\/li\u003e\n \u003cli\u003eWide resistance range for versatile applications\u003c\/li\u003e\n \u003cli\u003eLow noise and negligible voltage coefficient\u003c\/li\u003e\n \u003cli\u003eTemperature coefficient of resistance (TCR) as low as 5ppm\/°C\u003c\/li\u003e\n \u003cli\u003eAvailable with screened options for critical applications\u003c\/li\u003e\n \u003cli\u003eCompliance with EN140101 \u0026amp; IECQ-CECC40101 standards\u003c\/li\u003e\n \u003cli\u003eOptions for Pb-free and Pb-bearing wire finishes\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePhysical and Electrical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eConstruction\u003c\/th\u003e\n \u003ctd\u003eMetal film deposited onto a high-quality ceramic rod with nickel-plated steel caps. Termination wires welded to caps, protected with epoxy coating.\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eMarking\u003c\/th\u003e\n \u003ctd\u003eLegend marking includes type reference, TCR code, resistance value, and tolerance code. Resistance values conform to IEC 62.\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eTerminations\u003c\/th\u003e\n \u003ctd\u003eCopper wire with Sn or SnPb finish, meeting IEC 68.2.21 for strength and IEC 115-1 for solderability.\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eSolvent Resistance\u003c\/th\u003e\n \u003ctd\u003eResistant to normal industrial cleaning solvents suitable for printed circuit boards.\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePerformance Data\u003c\/h3\u003e\n\u003cp\u003eResistors can be supplied matched for tolerance and TCR down to ±0.02% and ±2ppm\/°C, respectively. Taped packaging is standard for RC55 and RC65 series, with options for bulk packing and custom packaging upon request.\u003c\/p\u003e\n\n\u003ch3\u003ePart Number \u0026amp; Packaging\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eEuropean (Welwyn) Part Number: \u003cstrong\u003eRC55V-31K6BI\u003c\/strong\u003e (Pb-free, TCR ±5ppm\/°C at 31.6kΩ)\u003c\/li\u003e\n \u003cli\u003eUSA (IRC) Part Number: \u003cstrong\u003eRC55LFV3162BA\u003c\/strong\u003e (Pb-free, TCR ±5ppm\/°C at 31.6kΩ)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAdditional Details\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eUOM: EA\u003c\/li\u003e\n \u003cli\u003eCOO: CN\u003c\/li\u003e\n \u003cli\u003ePackage Type: Standard tape or bulk packing\u003c\/li\u003e\n \u003cli\u003eDatasheet: \u003ca href=\"https:\/\/www.waldomapac.com\/productfiles\/mf-WEW\/RC55Y-100RCI.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e The product specifications are subject to change without notice. For more detailed information, please refer to the datasheet or contact TT Electronics.\u003c\/p\u003e"}
