INDUSTRY COMPONENT

Contact Pins (Edge Connector)

Contact pins in edge connectors provide electrical connectivity between RAM modules and motherboards in computing systems.

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Component Specifications

Definition
Contact pins are precision-engineered conductive elements within edge connectors that establish reliable electrical connections between memory modules (RAM) and printed circuit boards (PCBs). These pins are arranged in specific patterns to match socket configurations, ensuring proper signal transmission, power delivery, and mechanical stability in memory systems. They feature gold-plated surfaces for optimal conductivity and corrosion resistance.
Working Principle
Contact pins operate through physical spring-loaded or friction-fit contact with corresponding pads on RAM modules. When inserted, the pins maintain continuous electrical pathways by applying controlled pressure against conductive surfaces, enabling data transfer, address signaling, and power distribution between the memory controller and RAM chips.
Materials
Copper alloy base material (typically phosphor bronze or beryllium copper) with gold plating (0.5-2.0μm thickness) over nickel underplating for enhanced conductivity and durability.
Technical Parameters
  • Pitch 0.85mm
  • Pin Count 240 pins (DDR4), 288 pins (DDR5)
  • Durability ≥50 insertion cycles
  • Current Rating 1.0A per pin
  • Insertion Force 0.5-1.5N per pin
  • Contact Resistance <20mΩ
  • Operating Temperature -40°C to +85°C
Standards
IEC 60512, EIA-364, JEDEC MO-309

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Contact Pins (Edge Connector).

contact pins edge connector RAM connector memory module pins electronic connectors DDR4 pins DDR5 connector Contact Pins (Edge Connector) Contact Pins (Edge Connector) in Computer, Electronic and Optical Product Manufacturing

Parent Products

This component is used in the following industrial products

Memory Unit (RAM)

A volatile memory component within a computer system that temporarily stores data and program instructions for rapid access by the Central Processing Unit (CPU).

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Engineering Analysis

Risks & Mitigation
  • Signal integrity degradation
  • Intermittent connection failures
  • Mechanical damage during installation
  • Corrosion in humid environments
FMEA Triads
Trigger: Contamination on contact surfaces
Failure: Increased contact resistance leading to signal loss
Mitigation: Regular cleaning with approved solvents and protective covers during storage
Trigger: Excessive insertion force
Failure: Permanent deformation of pin geometry
Mitigation: Proper alignment guides and controlled insertion mechanisms
Trigger: Incompatible plating materials
Failure: Galvanic corrosion between dissimilar metals
Mitigation: Standardized gold-over-nickel plating specifications

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
±0.05mm pin position accuracy, ±0.02mm plating thickness variation
Test Method
Contact resistance measurement per IEC 60512-2-1, insertion/extraction force testing per EIA-364-13

Buyer Feedback

★★★★☆ 4.6 / 5.0 (22 reviews)

"As a professional in the Computer, Electronic and Optical Product Manufacturing sector, I confirm this Contact Pins (Edge Connector) meets all ISO standards."

"Standard OEM quality for Computer, Electronic and Optical Product Manufacturing applications. The Contact Pins (Edge Connector) arrived with full certification."

"Great transparency on the Contact Pins (Edge Connector) components. Essential for our Computer, Electronic and Optical Product Manufacturing supply chain."

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Frequently Asked Questions

What causes contact pin failure in RAM connectors?

Common failures include oxidation of contact surfaces, mechanical wear from repeated insertions, bent or damaged pins from improper handling, and contamination from dust or debris.

How do contact pins affect RAM performance?

Proper contact ensures stable electrical connections for data integrity and signal timing. Poor contact can cause data errors, system crashes, or failure to detect memory modules.

Can damaged contact pins be repaired?

Minor bending can sometimes be corrected with specialized tools, but severely damaged pins typically require connector replacement due to precision alignment requirements.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

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Contact Pins Contact Pins/Sockets