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Gold-Plated Electronic Connector Parts
This precision connector pin is integrally turned from high-conductivity brass, with surface treated by precision gold-plating process. The uniform and dense gold plating combines excellent electrical conductivity, corrosion resistance and plug-in stability, serving as a core signal transmission connector component for various electronic and communication equipment.
- Processing Equipment: Swiss-type CNC Lathe, Turn-Mill Machining Center, Gold-Plating Production Line
- Dimensional Tolerance: ±0.005mm
- Coaxiality Accuracy: ≤0.003mm
- Gold Plating Thickness: 0.1~1.0μm (Customizable on request)
- Surface Roughness: Ra 0.2 ~ Ra 0.4 (After gold plating)
- Material: C3604 Brass (Phosphor Bronze / Beryllium Copper optional)
- Production Capabilities: Prototyping, Low-volume Customization, Mass-volume Production
- Structure Form: Stepped shaft pin, slotted elastic contact structure
- Application Form: Connector pins, terminals, signal transmission connectors
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Gold plating enhances electrical conductivity, oxidation resistance, and long-term stability. KT ensures uniform coating thickness and strong adhesion, maintaining consistent performance even on complex geometries and precision parts while minimizing variation.
For applications with high electrical and reliability requirements, gold plating provides stable contact performance along with excellent corrosion resistance—ensuring consistent and durable results over time.
Detailed Description
This precision gold-plated connector pin is a core signal transmission connector component in electronic and communication equipment. The gold-plated surface forms a uniform and dense gold layer, significantly improving electrical conductivity and signal transmission stability, with excellent corrosion resistance, oxidation resistance and wear resistance. It effectively prevents oxidation, blackening and poor contact of pins in humid and high-temperature environments, extending the service life and reliability of connectors. The gold plating is firmly bonded to the substrate without affecting dimensional accuracy and fit tolerance, and can be directly used in scenarios requiring strict conductivity and corrosion resistance.
Manufacturing & Gold-Plating Process
- Brass substrate processing: CNC turning, slotting, chamfering, cleaning and degreasing
- Pre-treatment: degreasing, rust removal and activation to ensure coating adhesion
- Precision gold-plating: cyanide-free gold-plating process to control coating uniformity and density
- Post-treatment: cleaning, passivation and drying to remove residual plating solution and improve corrosion resistance
- Performance testing: full inspection of dimensions, coaxiality, coating thickness, contact resistance, insertion force and salt spray test
Overall process: CNC Turning + Precision Gold-Plating Composite Process, focusing on surface high-conductivity and corrosion resistance enhancement through gold-plating, meeting high-reliability requirements of the electronic and communication industry.
Application Industries
🏭 Industrial Automation Industry
Industrial equipment connector pins, automation control module terminals, servo motor connector pins, industrial communication equipment connectors
📡 Communication Equipment Industry
Communication base station connector pins, network equipment terminals, RF connector pins, optical fiber equipment connectors
🚗 Automotive Electronics Industry
Automotive electronic connector pins, new energy vehicle BMS terminals, on-board equipment connectors, automotive sensor connector pins
🔬 Medical Equipment Industry
Medical equipment connector pins, precision instrument terminals, diagnostic equipment connectors, implantable device connector pins
✈️ Aerospace Industry
Aviation equipment connector pins, aerospace instrument terminals, avionics equipment connectors, satellite equipment connector pins
📱 Consumer Electronics Industry
Consumer electronic device connector pins, computer peripheral terminals, smart home equipment connectors, audio equipment connector pins
Gold-Plating Process Advantages
- High Conductivity: Gold is an excellent conductor, and gold plating can significantly reduce contact resistance and improve signal transmission stability
- Corrosion & Oxidation Resistant: Gold plating is chemically stable, effectively preventing oxidation, sulfidation and corrosion of pins, keeping them bright for a long time
- Wear & Plug-Resistant: Gold plating has high hardness and low friction coefficient, withstanding thousands of plug-ins without wear, extending service life
- Stable Contact: Gold plating does not easily form an oxide film, maintaining stable contact pressure even in humid and high-temperature environments
- Good Solderability: Gold plating has excellent wettability with solder, preventing virtual welding and false welding during soldering, improving welding reliability
- High Customization: Coating thickness, hardness and gold purity can be adjusted on demand to adapt to different conductivity and wear resistance requirements
Detailed Parameter Table
| Parameter Item | Technical Specification |
|---|---|
| Product Name | Gold-Plated Connector Pin / Precision Electronic Connector Parts |
| Main Material | C3604 Brass (Phosphor Bronze / Beryllium Copper optional) |
| Manufacturing Process | CNC Turning + Cyanide-Free Precision Gold-Plating Composite Process |
| Gold Plating Thickness | 0.1~1.0μm (Customizable on request) |
| Coating Purity | ≥99.9% |
| Dimensional Tolerance | ±0.005mm |
| Coaxiality Accuracy | ≤0.003mm |
| Surface Roughness | Ra 0.4 (As-turned) / Ra 0.2 (After gold plating) |
| Contact Resistance | ≤10mΩ (After gold plating) |
| Plug-in Life | ≥1000 times (No obvious wear on gold plating) |
| Salt Spray Test | ≥48 hours (Neutral salt spray) |
| Production Capabilities | Prototyping, Low-volume Customization, Mass-volume Production |
| Working Conditions | Signal transmission plug-in, high conductivity and corrosion resistance requirements, normal temperature industrial/electronic environment |
