SAC0307-0.5/0.25 is a copper alloy material manufactured by Cynel. It has excellent electrical conductivity, high corrosion resistance, and good processability. It is composed of a copper-manganese-phosphorus alloy with an averaged composition of 0.5 percent manganese, 0.25 percent phosphorus, and 99.25 percent copper. This alloy is designed for applications that require electrical and thermal conductivity, corrosion resistance, and reliable soldering properties. It is commonly used in the manufacture of electrical products, including electrical switches, contactors, and relays.