... ,gold over nickel plated 3.terminal:alloy copper,gold plating TOGGLE SWITCH MECHANICAL DATA 1.expected life :10,000 steps2.position per ... switch,IC type dip switch,SMT type dip siwtch,rotary dip switch.(DIP Switch, SMT Switch, SMD Switches, Keyswitches, Dial Switch, Rotary Switch, Select Switch, Coded Selector, Digital Switch ...