INDUSTRY COMPONENT

Gold Contacts

Gold-plated electrical contacts for DDR memory modules ensuring reliable data transmission and corrosion resistance.

View Specifications

Component Specifications

Definition
Gold contacts are precision-engineered conductive interfaces on DDR memory modules, typically composed of a nickel underlayer with a thin gold plating (0.05-0.2μm). They serve as the electrical connection points between the memory module and the motherboard's memory slot, facilitating high-speed data transfer with minimal signal loss and oxidation resistance in demanding computing environments.
Working Principle
Gold contacts operate on the principle of electrical conductivity and contact physics. When inserted into a memory slot, they establish multiple parallel electrical pathways. The gold plating provides low contact resistance (typically <20mΩ), excellent corrosion resistance, and maintains stable electrical characteristics across temperature variations (-40°C to +85°C). The contact design ensures proper mating force (1-2N per contact) and wipe action during insertion to break through surface oxides.
Materials
Base material: Phosphor bronze or beryllium copper alloy; Underplating: Nickel (2-5μm); Surface plating: Gold (0.05-0.2μm, 99.9% purity); Optional: Selective gold plating with nickel barrier layer
Technical Parameters
  • Durability ≥200 insertion cycles
  • Contact Pitch 1.0mm or 0.8mm
  • Current Rating 1A per contact
  • Insertion Force 1-2N per contact
  • Plating Thickness 0.05-0.2μm Au over 2-5μm Ni
  • Contact Resistance <20mΩ
  • Operating Temperature -40°C to +85°C
Standards
ISO 9001, IEC 60352, JEDEC MO-269, IPC-6012

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Gold Contacts.

DDR memory gold contacts memory module connectors gold-plated contacts electronic connectors memory bank components corrosion-resistant contacts Gold Contacts Gold Contacts in Computer, Electronic and Optical Product Manufacturing

Parent Products

This component is used in the following industrial products

DDR Memory Bank

A memory module using DDR technology for temporary data storage in high-speed capture systems

View Product Details

Memory Modules (RAM)

Electronic components that provide temporary data storage for database servers, enabling fast access to frequently used information.

View Product Details

Engineering Analysis

Risks & Mitigation
  • Plating wear from frequent module swapping
  • Contamination from dust or fingerprints
  • Fretting corrosion at nickel-gold interface
  • Mechanical deformation from improper insertion
  • Tin whisker growth on adjacent components
FMEA Triads
Trigger: Insufficient gold plating thickness
Failure: Increased contact resistance leading to data errors
Mitigation: Implement plating thickness monitoring with XRF testing, maintain minimum 0.05μm gold thickness
Trigger: Contamination during handling
Failure: Intermittent connections and signal degradation
Mitigation: Use anti-static handling procedures, implement cleanroom assembly where possible, apply protective coatings
Trigger: Mechanical misalignment during insertion
Failure: Bent contacts causing poor connection or short circuits
Mitigation: Design guided insertion features, implement visual alignment aids, train personnel on proper installation techniques

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
±0.05mm positional tolerance, ±0.01mm plating thickness variation
Test Method
Contact resistance testing per IEC 60512, plating thickness verification via XRF, insertion force measurement per JEDEC standards, environmental testing per MIL-STD-810

Buyer Feedback

★★★★☆ 4.9 / 5.0 (12 reviews)

"Standard OEM quality for Computer, Electronic and Optical Product Manufacturing applications. The Gold Contacts arrived with full certification."

"Great transparency on the Gold Contacts components. Essential for our Computer, Electronic and Optical Product Manufacturing supply chain."

"The Gold Contacts we sourced perfectly fits our Computer, Electronic and Optical Product Manufacturing production line requirements."

Related Components

Storage Module
Industrial-grade storage module for data logging and firmware in IoT gateways
Ethernet Controller
Industrial Ethernet controller for real-time data transmission in Industrial IoT Gateways.
Serial Interface
Serial interface for industrial data transmission between IoT gateways and legacy equipment using RS-232/422/485 protocols.
I/O Connectors
Industrial I/O connectors are ruggedized interfaces that enable reliable data and power transmission between sensors, actuators, and Industrial IoT Gateways in harsh environments.

Frequently Asked Questions

Why use gold instead of other metals for memory contacts?

Gold provides superior corrosion resistance, maintains low contact resistance over time, doesn't form insulating oxides, and offers excellent conductivity even with thin plating layers, making it ideal for low-voltage, high-frequency DDR applications.

How many insertion cycles can gold contacts withstand?

Properly designed gold contacts typically withstand 200+ insertion cycles while maintaining electrical performance, though actual lifespan depends on plating quality, contact design, and usage conditions.

What are common failure modes for gold contacts in DDR memory?

Common failures include plating wear from repeated insertions, contamination buildup, fretting corrosion at the nickel-gold interface, and mechanical deformation from improper handling or insertion.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

Get Quote for Gold Contacts

Glass Substrate GPU Die