Characteristic | CCA (Copper Clad Aluminum) | CU (Pure Copper) |
Material | Outer layer is copper, inner core is aluminum | Pure copper |
Conductivity | Low (aluminum conductivity is lower than copper) | High (pure copper has higher conductivity) |
Resistance | High (aluminum has higher resistance) | Low (copper has lower resistance) |
Signal Attenuation | High (low conductivity leads to greater signal loss during transmission) | Low (high conductivity leads to lower signal loss) |
Heat Conductivity | Low (aluminum has poor heat conductivity) | High (pure copper has higher heat conductivity) |
Corrosion Resistance | Poor (aluminum is prone to oxidation) | Good (copper has higher corrosion resistance) |
Advantages | Low cost, lightweight, suitable for low-cost applications | High conductivity, low signal attenuation, good corrosion resistance, suitable for high-performance applications |
Applicability | Suitable for low-cost network connections, short-distance transmission, non-critical applications | Suitable for high-performance network connections, long-distance transmission, critical applications |