Three-Layer Composite Tungsten Points

The materials and specification of three-layer composite tungsten points
The surface material of tungsten points: silver, copper, silver nickel, pure tungsten, silver oxide cadmium , silver tin oxide and so on;
The substrate of tungsten points: silver, silver alloy, copper, iron, nickel, stainless steel and so on;
The thickness of surface material: 0.03mm - 1.0mm;
The thickness of the substrate: 0.08mm - 3.5mm;
Three-layer composite tungsten points are mainly applied in relays, thermostats, circuit breakers, micro-switches and so on.

Advantage
In order to increase its welding ability, a pad is on the top of three-layer composite tungsten points, whose welding surface materials are copper, iron, nickel and other materials. To combine the welding parts, you can use melt metal---Cu, which has low contact resistance and stable electrical performance, therefore, it is easier to positioning, its required heating time is shorter, and their welded portions are more beautiful.


 

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