— Excellent solderability.
— The finishing coating is easy and inexpensive to produce.
— Significant temperature range of heat treatment.
— The intermetallic compounds between copper contacts and solder.
— The durability of the original characteristics of components, regardless of special storage conditions and the additional protection.
— Ability during the process of soldering to combine with lead solders (the recommended material to combine with - FR-4 High Tg) and multiple temperature fluctuations.