Silver Tin Oxide Electrical Contact
Products Description
Since 1990, APOLLO has been committed to providing professional and reliable electrical contact materials and component solutions to customers worldwide. With over 30 years of experience in the electrical contact industry, we have accumulated extensive knowledge of materials science and manufacturing processes, providing high-quality Silver Tin Oxide Electrical Contacts and other precious metal electrical contact products to numerous well-known electrical equipment manufacturers.
Physical and Mechanical Properties
High Hardness and Wear Resistance
The dispersion strengthening effect of tin oxide significantly improves the material's hardness, making the Silver Cadmium Oxide Solid Contact impact-resistant and abrasion-resistant, suitable for high-frequency operation scenarios.
Good Thermal Stability and Conductivity
The silver matrix has excellent thermal conductivity, quickly dissipating arc heat and Joule heat; tin oxide particles are resistant to high temperatures, ensuring that the material's performance does not degrade under high-temperature environments.
Moderate Material Transfer Characteristics
Under DC loads, the Silver Zinc Oxide Solid Contact exhibits a gentle and symmetrical material transfer pattern, maintaining the contact shape and extending its lifespan in DC applications.
Sulfation and Oxidation Resistance
The dense tin oxide layer protects the silver matrix, slows down the formation of silver sulfide films, keeps the surface of the Silver Tin Oxide Solid Contact clean, and reduces the risk of contact failure.
Raw Material Selection and Pretreatment
| High-Purity Silver Raw Material | We use electrolytic silver with a purity higher than 99.99% as the matrix material, ensuring the conductivity and chemical purity of the Silver Cadmium Oxide Contact from the source. |
| Nanoscale tin oxide powder | We select nanoscale or submicron-sized tin oxide powder with a uniform particle size distribution after special surface treatment. This is a key prerequisite for achieving uniform dispersion of the oxide in the Silver Cadmium Oxide Solid Contact matrix. |
| Precise proportioning and mixing | Based on the performance requirements of the target Silver Tin Oxide Contact product, the precise proportions of silver powder and tin oxide powder are achieved using a precision electronic weighing system. Efficient and pollution-free mechanical alloying or wet mixing processes are employed to ensure uniform mixing of the two phases at the molecular level, preventing agglomeration. |
Product Type Summary
Rivet Contacts
Integrated rivet structure for Silver Zinc Oxide Solid Contacts, suitable for relays, contactors, and other applications requiring quick installation. They can be directly crimped onto conductive supports.
Sheet Contacts
Thin sheet structure, fixed to the contact support by spot welding or brazing, commoning used in miniature circuit breakers and microswitches.
Composite Contacts
Utilizing a composite structure of silver tin oxide and pure silver, Silver Tin Oxide Solid Contacts balance ablation resistance and conductivity, suitable for high-load contactors.
Custom-shaped contacts
We can process custom-shaped Silver Tin Oxide Electrical Contacts according to customer drawings to meet the personalized needs of non-standard equipment.
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