Among the electrode materials of ceramic capacitors, silver electrode and copper electrode are two very common materials. The process of printing silver and splashing copper is commonly used in the production of capacitors. So what are the advantages and disadvantages of each material?
In terms of electrical conductivity alone, the best electrical conductivity is naturally silver, not copper. In common products such as low-voltage products, or products whose pulse frequency is not too high, the use of silver or copper electrodes will not have any impact.
However, in some special bead applications, the electrode material is non-silver. The impedance of copper is much larger than that of silver, and in some applications, excessive application of copper will cause the loss Angle to become larger, and the electricity is easy to heat.
When capacitors are used as voltage dividers and voltage sensors, the introduction of copper electrodes will more or less affect the Angle difference (phase difference) of the sensor.
At present, the capacitor copper coating technology has been developed in China and has been applied in some manufacturers. Due to the high price of silver, the use of copper as an electrode material has a certain cost advantage, but it is necessary to consider the actual application situation, and it is reasonable to select materials according to the application environment.
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