0.025" SQ contacts - selectively plated, 10 micro-inches Gold in mating are, 100 micro-inches tin in solder tail area, all over 50 micro-inches Nickel.
Specifications
Contacts
Copper Alloy
Insulator Material
UL 94V-0 Flame Retardant Thermoplastic
Mounting
Card Edge
Plating
Signal: 10µ in. Gold Over 50µ in. Nickel in the Mating area & 100µ Tin-Lead in solder area