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
ParameterTypical rangeNotes & selection driver
Pin Count19 pins (standard HDMI Type A)
Durability≥5000 mating cycles
Current RatingUp to 0.5A per pin
Voltage Rating30V AC/DC
Plating ThicknessGold: 0.76μm min, Nickel underplate: 1.27μm min
Contact Resistance<20mΩ initial
Insulation Resistance>1000MΩ
Operating Temperature-40°C to +85°C

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Standards
ISO 9001, IEC 60603-7, HDMI Specification 2.1, EIA-364

Parent Products

This component is used in the following industrial products

High-Density HDMI Connector Assembly

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

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Computer Server CPU Socket Assembly

Precision mechanical-electrical interface connecting CPU to motherboard in servers

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Handle Connector

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

Typical Suppliers & Equivalents

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

Procurement Evaluation Criteria

A practical evidence checklist for RFQ preparation and supplier evaluation.

Technical documentation
Request current drawings, revision history, and a signed specification sheet.
Manufacturing capability
Verify equipment lists, process limits, capacity, and representative production evidence.
Inspection readiness
Confirm test methods, calibrated equipment, sampling plans, and traceable reports.
Supplier transparency
Check the legal entity, factory address, ownership, certifications, and direct contacts.

Compare the published product scope and source details, then include your specifications and quantity in an enquiry.

Manufacturers of Contact Pins

Manufacturer profiles associated with Contact Pins.

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Compiled and source-reviewed by the CNFX editorial team. Each manufacturer above links to the page on that company's own website where the product is listed, with the date we checked it. How we source and review

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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.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

Preliminary Technical Classification
This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

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