Products Description
As the core component of electrical connection, our Welding Electrical Contact is made of 99.9% pure silver (Ag≥99.9%) or silver alloy (AgNi10/AgSnO₂) and copper/stainless steel substrate through laser welding/resistance welding process and provides various shapes such as flat, round, and flat. The solder joint strength is ≥80MPa and the contact resistance is ≤5mΩ. It is suitable for automotive relays, industrial switches, consumer electronics, new energy equipment, and other scenarios. It has passed IATF 16949, ISO 9001, and RoHS/REACH certification to ensure stable conductivity in high current and high vibration environments.
Product Features
High-quality materials and diversified shapes
Made of high-quality silver materials, it is available in a variety of shapes such as flat, disc, and flat sheets, such as Button Contacts Bimetal Overlays, Button Silver Contacts, Contact Tip, Brazed Silver Contacts, etc., to meet different electrical connection needs, whether it is a compact space or a specific interface, it can be well adapted.
High cost-effective factory price
We have our factory and can directly provide customers with a very cost-effective factory price. Compared with similar Contact Tips on the market, the price advantage is obvious, which can effectively reduce your procurement costs. While ensuring product quality, it brings you more competitive price options.
Authoritative certification and strict standards
The product has passed ISO9001-2015, IATF16949, ROHS, REACH, and other authoritative certifications, and meets international industry standards. From raw material procurement to production and processing, and then to finished product inspection, every link is strictly controlled to ensure the quality and safety of the Welding Electrical Contact, so that you can use it with confidence.
Materials and structures·Full-scenario adaptation
| Application scenarios | Contact material | Welding type | Key performance |
| Automotive relay | AgNi10 (10% nickel) | Laser welding | Life ≥ 1 million switching times, contact resistance ≤ 3mΩ |
| Industrial contactor | AgSnO₂(12%) | Resistance welding | Anti-melting welding ≥ 1,000A, salt spray test ＞ 1,000 hours |
| Consumer electronics | Pure silver (99.9%) | Ultrasonic welding | Solder point diameter ≤ 0.5mm, surface roughness Ra ≤ 0.8μm |
| New energy equipment | AgCuO(10%) | Laser + reflow composite process | Arc erosion resistance ≥50,000 times, suitable for 1,500V DC system |
Application scenarios
Home appliance manufacturing
In the motor control circuits of home appliances such as refrigerators and washing machines, our Welding Electrical Contacts can ensure the stable transmission of current, making the operation of home appliances more reliable and extending the service life of the equipment.
Automotive electronic systems
Suitable for automotive electronic components such as on-board chargers and electronic control units, ensuring the stability and safety of automotive electronic systems, and maintaining good electrical connection performance even in complex automotive operating environments.
Industrial automation equipment
Such as robot controllers, sensor interfaces, etc., the high performance and reliability of Brazed Silver Contacts provide a strong guarantee for the precise operation of industrial automation equipment, improving production efficiency and product quality.
Consumer electronics
In mobile phone charging interfaces, headphone jacks, and other parts, our Button Contacts Bimetal Overlays can provide stable current transmission and good contact performance to ensure the normal use of consumer electronic equipment.
Factory Strengths
1. Advanced welding technology·micron-level precision
Laser welding laboratory: Equipped with IPG fiber laser (power 100-500W), supporting a minimum solder joint diameter of 0.1mm, suitable for micro contacts below φ1mm;
Fully automatic welding line: 10 high-speed resistance welding machines, with a production capacity of 500,000 pieces/day, solder joint position accuracy ±0.02mm, and a yield rate ≥99.5%.
2. Customized service·Full process collaboration
Material selection support: Freely provide AgNi10 and AgSnO₂ conductivity and wear resistance comparison test reports to help customers optimize costs;
Solder point design optimization: Through ANSYS simulation analysis of solder point stress distribution, reduce the risk of cracking by 30%, such as the life of automotive relay solder points increased to 1.5 million times.
3. Strict quality control · Data-driven quality
5-layer testing system:
1. Material purity: XRF spectrum detection of Button Silver Contacts, impurities ≤0.1%;
2. Solder joint morphology: 3D microscope detection of penetration depth/width (accuracy ±0.005mm);
3. Contact resistance: Microohmmeter full inspection (resolution 0.1mΩ);
4. Environmental test: 1,000 hours of salt spray + thermal cycle (-40℃~+150℃);
5. Life test: Simulated working condition test.
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