Silver Material Contact Terminal

Silver cadmium oxideSilver cadmium oxide has good resistance to fusion welding and arc erosion due to the violent decomposition and evaporation of cadmium oxide under the action of arc.Low and stable contact resistance. At the same time, silver cadmium oxide also has good processing properties.Cadmium oxide has certain toxicity,

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Silver cadmium oxide
Silver cadmium oxide has good resistance to fusion welding and arc erosion due to the violent decomposition and evaporation of cadmium oxide under the action of arc.
Low and stable contact resistance. At the same time, silver cadmium oxide also has good processing properties.
Cadmium oxide has certain toxicity, and the increase of its content can improve the anti-welding performance of silver cadmium oxide materials, but it will increase the contact resistance and temperature rise.
At the same time reduce the processing properties of the material.
 
AgCdO  Mechanical properties and application of contact materials
BrandMaterial namedensity g/cm3Resistivity       μΩ·cmhardness  HV 0.3tensile strength   MPaElongation after break%Application field
SCE03AgCdO(10)10.15280~90250~30025Relays, contactors, switches
SCE06AgCdO(12)10.12.180~90270~30025
SCE08AgCdO(13.5)10.052.1280~95270~30020
SCF09AgCdO(15)102.285~95280~30020
SCE05AgCdO(17)9.952.2590~100290~31015
 
Silver tin oxide/silver tin oxide indium oxide
Silver tin oxide is the most ideal environmentally friendly low-voltage contact material for replacing toxic silver cadmium oxide. It has excellent resistance to fusion welding and arc erosion resistance.
Gradual replacement of silver cadmium oxide materials is widely used in contactors and general-purpose relays, magnetic holding relays, and automotive relays. Added 3~5wt.%
Indium oxide silver tin oxide indium oxide material has better resistance to material transfer under DC load conditions and is suitable for use in automotive relays and other fields.
In order to meet the diversity and individual needs of low-voltage electrical appliances, the company has developed a variety of silver tin oxide materials for use, with a tin oxide content of 8 to 16 wt.%.
The content of indium oxide is 0~5wt.%. The mechanical and physical properties and application of the main grade materials are shown in the following table.
AgSnO2  Mechanical properties and application of contact materials
BrandMaterial namedensity g/cm3Resistivity       μΩ·cmhardness  HV 0.3tensile strength   MPaElongation after break%Application field
STA07AgSnO2(12)9.752.2570~80250~27020AC contactor
STA08AgSnO2(12)9.752.2575~90270~30020
STA09AgSnO2(14)9.652.3580~100290~32015
STC05AgSnO2(10)9.852.1580~90290~32020Small and medium relays and switches
STC08AgSnO2(12)9.82.290~110300~33020Magnetic holding relay, AC contactor, leakage protection device
STC09AgSnO2(12)9.752.2590~110280~30020
STC15AgSnO2(14.5)9.62.4585~100280~31018
STC16AgSnO2(16)9.52.580~100280~30020
STC17AgSnO2(12)9.752.2580~95280~31025
STD05AgSnO2(10)9.852.1590~110230~26028Small and medium general purpose relay
STD08AgSnO2(12)9.752.2585~100270~30025
SIE06AgSnO2(7)In2O3(3)9.92.1580~90300~33028Automotive relay, general purpose relay
SIE08AgSnO2(8)In2O3(4)9.82.2590~100310~34025
SIE09AgSnO2(10)In2O3(4.5)9.652.3595~110320~35023

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