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Custom Copper Foil Flexible Busbar for Rail Transit - China Suppliers & Factory Solutions

Copper foil flexible busbars are high-quality conductive solutions made from T2 (C11000) purple copper foil. Manufactured in China, our products utilize a specialized molecular diffusion welding process, where multiple layers of copper foil sheets are pressed and fused through high current heating and pressure welding, As a leading supplier and factory, we offer full customization to meet diverse customer requirements, **Size Customization:** We provide tailored designs for length, width, and thickness to fit various installation spaces, **Structural Customization:** Our designs can accommodate irregular structures, specific hole diameters, and precise hole position layouts, **Process Customization:** We optimize the number of layers and welding techniques based on your specific usage scenarios, **Customized Surface Treatment:** Choose from a range of anti-corrosion and conductive treatments including tin plating, nickel plating, and silver plating tailored to your needs, Partner with us for innovative and customized copper foil flexible busbars that meet your specifications!

    Copper Foil Flexible Busbar Features

    • ⚡ Strong flexibility and high adaptability
    • 🪶 Lightweight and compact
    • 🛡️ Low inductance anti-interference
    • 🔋 High conductivity and low loss
    • ✅ High reliability and long service life

    Technical Data for Copper Foil Flexible Busbar

    Material T2 copper / C11000 / Cu-ETP 99.9% purity
    Size Customized
    Finish Bare, tin plating, nickel plating, silver plating
    Single Foil Thickness 0.03mm; 0.05mm; 0.10mm (standard); 0.20mm; 0.30mm; 0.40mm; 0.50mm
    Working Temperature -50ºC to 115ºC
    Ampacity 20A to 1500A
    Inductance Value Usually < 10nH (for high-frequency applications, it can be as low as < 5nH)

    Applications for Copper Foil Flexible Busbar

    • 🚗 In the field of new energy vehicles
    • 🔋 In the field of energy storage systems
    • 🏭 Industrial power equipment field
    • ✈️ In the field of aerospace and shipbuilding
    • 💡 The field of electronics and electrical appliances
    • 🚄 In the field of rail transit: Used for the connection of traction converters, pantographs and on-board electrical systems in high-speed trains and subways, capable of withstanding the large current impact during train start-up and braking, and at the same time adapting to the complex working conditions of vehicle body vibration and line jolts. It can also be used for flexible busbar transfer in rail power supply systems.

    Why Choose Our Copper Foil Flexible Busbar

    • 1 Factory directly supply with competitive price.
    • 2 Quality guarantee. We have first article inspection, process inspection and finished-product inspection to guarantee quality.
    • 3 Good service. We have specialist in charge of pre-sale, quality, logistic and after-sale.
    • 4 Fast delivery. (Standard products normally are ready within 10 working days).
    • 5 Good relationship with our logistic partner. Guarantee ship booking and delivery.

    Package & Shipping for Copper Foil Flexible Busbar

    Package & Shipping

    Frequently Asked Questions (FAQ)

    Q What is the minimum order quantity for copper foil flexible busbars?
    We accept both small and large orders. Since all products are customized according to your specifications, please contact us with your requirements and we will provide a tailored quote and MOQ accordingly.
    Q What surface finish options are available for the copper foil flexible busbar?
    We offer four surface finish options: bare copper, tin plating, nickel plating, and silver plating. Each finish provides different levels of corrosion resistance and conductivity to suit various application environments.
    Q Can the size and thickness of the flexible busbar be customized?
    Yes, all sizes are fully customizable. Single foil thickness options range from 0.03mm to 0.50mm, and overall dimensions can be tailored to meet your specific design and engineering requirements.
    Q What is the typical lead time for standard copper foil flexible busbar products?
    Standard products are typically ready within 10 working days. For large or highly customized orders, lead times may vary. Please contact our team for a more accurate delivery estimate based on your order details.
    Q What quality control measures are in place during production?
    We implement a comprehensive three-stage quality inspection process: first article inspection, in-process inspection, and finished-product inspection. This ensures every busbar meets strict dimensional, electrical, and surface quality standards before shipment.
    Q Is the copper foil flexible busbar suitable for high-frequency applications?
    Yes. Our copper foil flexible busbars feature very low inductance values, typically below 10nH, and can achieve as low as below 5nH for high-frequency applications. This makes them ideal for use in power electronics, energy storage systems, and other EMI-sensitive environments.