INDUSTRY COMPONENT

Contact Pins

Precision-engineered conductive pins for high-density HDMI connectors ensuring reliable signal transmission and mechanical stability.

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Component Specifications

Definition
Contact pins are critical conductive components within high-density HDMI connector assemblies, designed to establish and maintain electrical connections between mating connectors. These pins facilitate the transmission of high-speed digital audio/video signals, power, and control data. They feature precise geometries to ensure proper alignment, insertion force, and contact resistance while withstanding repeated mating cycles and environmental stresses.
Working Principle
Contact pins operate on the principle of electrical conductivity and mechanical spring action. When mated with corresponding female contacts, the pins establish a low-resistance electrical path through physical contact pressure. Their design ensures consistent signal integrity by minimizing impedance mismatches and preventing signal loss or crosstalk in high-frequency applications.
Materials
Typically made from copper alloys (e.g., phosphor bronze, beryllium copper) with selective gold, tin, or nickel plating to enhance conductivity, corrosion resistance, and durability. Base materials must meet ASTM B-105 or equivalent standards.
Technical Parameters
  • Pin Count 19 pins (standard HDMI Type A)
  • Durability ≥5000 mating cycles
  • Current Rating Up to 0.5A per pin
  • Voltage Rating 30V AC/DC
  • Plating Thickness Gold: 0.76μm min, Nickel underplate: 1.27μm min
  • Contact Resistance <20mΩ initial
  • Insulation Resistance >1000MΩ
  • Operating Temperature -40°C to +85°C
Standards
ISO 9001, IEC 60603-7, HDMI Specification 2.1, EIA-364

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Contact Pins.

HDMI contact pins connector components high-density connectors electronic pins signal transmission HDMI assembly connector manufacturing Contact Pins Contact Pins in Computer, Electronic and Optical Product Manufacturing

Parent Products

This component is used in the following industrial products

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Compact HDMI connector assembly for high-speed digital video/audio transmission in consumer electronics.

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Electrical and mechanical interface component that connects the handle to the main body of a high-frequency electrosurgical electrode.

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Engineering Analysis

Risks & Mitigation
  • Bent pins during handling
  • Plating wear leading to increased resistance
  • Corrosion in humid environments
  • Misalignment causing poor contact
FMEA Triads
Trigger: Excessive insertion force or misalignment during mating
Failure: Pin deformation or breakage
Mitigation: Implement guided mating designs, use alignment features, and specify proper insertion tools
Trigger: Insufficient plating thickness or quality
Failure: Increased contact resistance and corrosion
Mitigation: Enforce plating thickness standards, conduct regular quality checks, and use corrosion-resistant materials

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
±0.05mm pin position, ±0.01mm pin diameter
Test Method
Per EIA-364 electrical and mechanical tests, including contact resistance, durability, and solderability testing

Buyer Feedback

★★★★☆ 4.5 / 5.0 (11 reviews)

"Found 45+ suppliers for Contact Pins on CNFX, but this spec remains the most cost-effective."

"The technical documentation for this Contact Pins is very thorough, especially regarding technical reliability."

"Reliable performance in harsh Computer, Electronic and Optical Product Manufacturing environments. No issues with the Contact Pins so far."

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Frequently Asked Questions

What are the common failure modes for HDMI contact pins?

Common failures include bent or deformed pins from misalignment, wear or plating degradation from repeated cycles, corrosion from environmental exposure, and poor solder joints during assembly.

How do contact pins affect HDMI signal quality?

Pins directly impact impedance matching and signal integrity. Poor pin design can cause signal attenuation, crosstalk, or reflection, leading to reduced bandwidth or data errors in high-speed transmissions.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

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Contact Pin Array Copper Conductive Layers