tri-metal composite button contact widely used in micro switches and breakers protector
Specifications
tri-metal composite button contact
baseband:Cu,Fe,CuNi...
Clad:Ag,FAg,AgNi,AgCdOaaaa
Usage:Micro switches,thermostat,keys
1. Product name: tri-metal composite button contact
2. Materials: AgW,AgNi,AgCdO, AgNiC,AgWC
3. Characteristics
A) Silver graphite contact has a good performance in resistance to contact wedding, low contact resistance and high arc erosion resistance
B) AgWC contact is very hard and sufficient mechanical strength, during arcing a protective gas layer of CO is formed which limits the reaction of oxygen on the contact surface and therefore the formation of metal oxides
| Material | Specification(WT%) | density≥
g/cm3 | hardness
HB≥ | resistance ratio
≤μΩ.cm |
| Ag | SnO2 | In2O3 | ZnO | CuO | CdO |
| AgSnO2(8) | 92 | 8 | | | | | 9.9 | 65 | 2.3 |
| AgSnO2(10) | 90 | 10 | | | | | 9.8 | 70 | 2.4 |
| AgSnO2(12) | 88 | 12 | | | | | 9.7 | 75 | 2.5 |
| | | | | | | | | |
| AgSnO2(5)InO3(3) | 92 | 5 | 3 | | | | 9.9 | 70 | 3.2 |
| AgSnO2(6)In2O3(3) | 90 | 6 | 4 | | | | 9.8 | 70 | 3.3 |
| AgSnO2(7)In2O3(3) | 90 | 7 | 3 | | | | 9.8 | 75 | 3.3 |
| AgSnO2(8)In2O3(4) | 88 | 8 | 4 | | | | 9.7 | 75 | 3.4 |
| AgSnO2(9)In2O3(4) | 87 | 9 | 4 | | | | 9.6 | 80 | 3.5 |
| AgSnO2(10)In2O3(4) | 86 | 10 | 4 | | | | 9.5 | 80 | 3.5 |
| | | | | | | | | |
| AgZnO(8) | 92 | | | 8 | | | 9.7 | 65 | 3.2 |
| AgZnO(10) | 90 | | | Silver Plated Contacts Alloy / Tri - Metal Composite Button Contact Low Resistance
|
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