Product Overview
The 2.8 mm spade connector is a high-precision electrical connection component, widely used in automotive, industrial equipment, and electronic product wiring harnesses. It is renowned for quick installation, high reliability, and low contact resistance, making it suitable for applications ranging from light-load household appliances to demanding automotive wiring harnesses.
The precise 2.8 mm size ensures perfect mating with standard male or female terminals, guaranteeing safe and reliable electrical connections.
Our COCENTRA 2.8 mm spade terminals leverage precision manufacturing, combined with multiple material and surface finish options, to deliver excellent electrical conductivity and mechanical stability. Whether for standardized mass production or customized customer requirements, we provide complete solutions to maintain superior electrical performance even under high temperature, vibration, or humid environments.
Product Specifications and Performance Parameters
The 2.8 mm spade terminals cover a wide range of specifications to meet diverse application needs:
|
Parameter |
Description |
Customer Focus |
|
Size |
2.8 mm × thickness 0.5–0.8 mm |
Precise fit with male/female terminals |
|
Current Rating |
5–15A (depends on material and wire gauge) |
Safe operation, prevents overheating |
|
Rated Voltage |
250–300V |
Compliant with industrial and automotive standards |
|
Operating Temperature |
-40℃ ~ 105℃ (high-temperature models up to 125℃) |
Stability in high-temperature environments |
|
Insulation Type |
PVC, Nylon, Heat Shrink Tubing |
Electrical safety, short-circuit prevention |
|
Material |
Brass, Copper; Tin/Nickel/Gold plating |
Conductivity, corrosion resistance, high-temperature durability |
|
Wire Gauge Compatibility |
AWG 22–16 / 0.5–1.5 mm² |
Ensures harness compatibility, reduces contact resistance |
|
Insertion/Extraction Life |
≥50 cycles (customizable) |
Long-term reliability |
Each batch undergoes rigorous reliability testing, including high-temperature cycling, vibration testing, contact resistance measurement, and mechanical strength testing, ensuring long-term stability in automotive, industrial, and precision electronic systems.
Material and Process Advantages
The materials and surface treatments directly impact the electrical conductivity, corrosion resistance, and service life of spade terminals:

1. Copper and Brass Materials
Copper terminals provide excellent conductivity, suitable for low-impedance, high-precision connections
Brass terminals offer high mechanical strength, wear resistance, and vibration resistance, ideal for industrial and automotive environments
2. Surface Treatments
Tin plating: cost-effective, anti-oxidation
Nickel plating: high-temperature and corrosion resistance for long-term use
Gold plating: low resistance, high reliability, suitable for precision electronics and instrumentation
3. Insulation Protection
PVC, Nylon, or heat-shrink tubing prevents short circuits and leakage
Heat-shrink terminals enhance mechanical strength, water and dust resistance
4. Crimping Process
Precision crimping ensures tight cable-to-terminal connections
Improves electrical conductivity and reduces contact resistance
Through material and process optimization, COCENTRA 2.8 mm spade terminals offer high conductivity and maintain stable performance in high-temperature, corrosive, and vibration environments, making them ideal for industrial, automotive, and electronic applications.
Application Scenarios
Automotive Industry
Used in lighting, dashboards, audio systems, engine control harnesses
Compliant with ISO 6722 automotive wiring standards and suitable for high-vibration environments
Industrial Control Equipment
Control cabinets, sensor modules, relays, switch interfaces
Resistant to high temperature and corrosion, suitable for complex industrial settings
Home Appliances
Internal wiring for washing machines, refrigerators, air conditioners
Simplifies assembly and ensures long-term reliability
Electronic Devices and Instruments
Quick connections between PCBs and external modules
Provides high-precision, low-contact-resistance connectivity

Company Strength and Quality Assurance
COCENTRA (Kexin Cheng Precision Technology, Jiangsu Co., Ltd.), established in 2008, specializes in complete solutions for connectors, cable assemblies, and antennas.
Company Highlights:
- R&D Strength: 51-person R&D team, 10+ invention patents, 60+ utility patents
- Manufacturing Capability: 40,000 m² factory in Suzhou Changshu, vertically integrated production system
- Quality System: Certified to IATF16949, ISO14001, QC080000
- Brand Reputation: National high-tech enterprise, Jiangsu pilot enterprise for information and industrial integration
With the COCENTRA brand, the company provides full technical support, mass production assurance, and customized solutions to create long-term value for customers.
Technical Support and Selection Guide
Key considerations for terminal selection:
- Size Matching: Ensures 2.8 mm terminals mate properly with male/female connectors
- Electrical Requirements: Maximum current, voltage, and contact resistance
- Environmental Adaptability: Temperature, corrosion, vibration resistance
- Material and Surface Finish: Copper/brass with tin, nickel, or gold plating
- Installation Method: Crimp or plug-in, ensuring connection stability
- Certifications and Standards: ISO6722, UL, RoHS, REACH
COCENTRA provides detailed technical documentation and datasheets to help engineers quickly select products and can offer customized terminals and harness assemblies for project-specific requirements.

































FAQ
Q: What current can the 2.8 mm spade connector carry?
A: Standard copper or brass terminals carry 5–15A, depending on wire gauge and terminal type.
Q: Are high-temperature versions available?
A: Yes, terminals support 105℃ operation, with high-temperature models up to 125℃.
Q: Are male/female terminals customizable?
A: Yes, COCENTRA provides male and female terminals, with customizable size, material, and insulation.
Q: Is bulk packaging available?
A: Yes, options include loose, reel, bag, or custom packaging.
Q: How is reliability ensured?
A: All terminals undergo mechanical strength, vibration, high-temperature cycling, and contact resistance testing to ensure long-term stability.
Q: What surface finishes are available?
A: Tin, nickel, or gold plating to meet different environmental and electrical requirements.
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