Special Copper Foil Flexible Connection for Motor Controller (MCU)
Special Copper Foil Flexible Connection for Motor Controller (MCU)
Material Specifications
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Base Material: T2 high-purity copper foil (copper content ≥99.95%, conductivity ≥97% IACS)
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Copper Foil Thickness: 0.05/0.1/0.2mm (0.1mm as standard)
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Number of Layers: 20–100 layers (customized according to current)
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Cross-Section Dimensions: Width 20–100mm, total thickness 1–10mm
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Standard Length: 50–300mm (customizable)
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Terminal Dimensions: Customized according to MCU interface (aperture φ5–φ12mm, hole spacing accurately matched)
Electrical Performance
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Rated Current: 300–1500A (600/800/1000A commonly used for MCU)
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Contact Resistance: ≤40μΩ (@20℃, silver-plated terminals)
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Insulation Withstand Voltage: AC 3000V/1min (no breakdown)
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Insulation Resistance: ≥500MΩ
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Flame Retardant Grade: V–0 (GB/T 2408)
Mechanical & Environmental Performance
✔ Bending Radius: ≥2×bandwidth (no fracture after ≥50,000 dynamic bends)
✔ Operating Temperature: -40℃ ~ +125℃ (vehicle-grade)
✔ Surface Treatment: Bare copper / Tin-plated / Silver-plated (recommended)
✔ Insulation Sheath: Silicone rubber/fluororubber/heat shrink tube (oil-resistant, high and low temperature resistant)
✔ Salt Spray Resistance: ≥500h (silver-plated/nickel-plated)
Typical Application Scenarios
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New Energy Passenger/Cargo Vehicle MCU: IGBT module → three-phase output terminals
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Inside Motor Controller: Busbar confluence, capacitor module connection
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Electric Drive Assembly: High-voltage connection between MCU → drive motor
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Energy Storage/Industrial Control: High-current flexible connection for high-power frequency
Package&Shipment:
