1.material:
1.1 housing:pbt+30%gf,ul94-v0
color:see list;
1.2 contact:copper alloy,t=0.25mm.
1.3 cover:pbt+30%gf,ul94-v0,color:blue.
1.4 shell:sk7,t=0.30mm.
2.plating:
2.1 contac:au plated on contact area
tin plated on solder tail area
nickel underplating over all
2.2 shell:nickel underplating over all