INDUSTRY COMPONENT

Connector (e.g., RJ-45 Port)

RJ-45 connector for Ethernet network interface cards enabling wired data transmission.

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Component Specifications

Definition
An 8P8C modular connector commonly known as RJ-45, designed for terminating twisted-pair Ethernet cables in network interface cards. It provides physical interface for Category 5/6/6a/7 cables, supporting data transmission speeds from 10 Mbps to 10 Gbps depending on cable specifications and NIC capabilities. The connector features gold-plated contacts for reliable electrical connection and plastic housing with locking tab for secure cable retention.
Working Principle
Electrical signal transmission through eight copper contacts arranged in specific pinout configuration (T568A/T568B). The connector establishes physical and electrical connection between twisted-pair cable conductors and NIC circuitry, enabling differential signaling that reduces electromagnetic interference. The modular design allows for easy cable replacement and maintenance.
Materials
Copper alloy contacts with 50μ" gold plating over 100μ" nickel underplate, UL94V-0 rated thermoplastic housing (typically polycarbonate or ABS), phosphor bronze contact springs, stainless steel locking tab.
Technical Parameters
  • Contact Pitch 1.02mm
  • Current Rating 1.5A per contact
  • Insertion Cycles ≥750 cycles
  • Contact Resistance <20mΩ
  • Cable Compatibility AWG 22-26 stranded or solid
  • Insulation Resistance >1000MΩ
  • Operating Temperature -40°C to +85°C
  • Dielectric Withstanding Voltage 1000V AC for 1 minute
Standards
ISO/IEC 11801, TIA/EIA-568, IEC 60603-7

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Connector (e.g., RJ-45 Port).

RJ-45 connector Ethernet port network interface card connector 8P8C modular jack CAT6 connector industrial networking components Connector (e.g., RJ-45 Port) Connector (e.g., RJ-45 Port) in Computer, Electronic and Optical Product Manufacturing

Parent Products

This component is used in the following industrial products

Network Interface Cards

Hardware components that enable network connectivity by providing a physical interface between a computer and a network medium.

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Engineering Analysis

Risks & Mitigation
  • Contact oxidation leading to signal degradation
  • Plastic housing cracking in extreme temperatures
  • Locking tab failure causing intermittent connections
  • EMI/RFI interference in unshielded applications
FMEA Triads
Trigger: Poor crimping during cable termination
Failure: Intermittent connectivity or complete signal loss
Mitigation: Use certified crimping tools with proper die sets, implement visual inspection and continuity testing for all terminated connectors
Trigger: Excessive insertion/removal cycles
Failure: Contact spring fatigue and increased contact resistance
Mitigation: Design systems with minimal required disconnections, use connector savers for frequent testing applications
Trigger: Environmental contamination (dust, moisture)
Failure: Signal attenuation and corrosion
Mitigation: Implement IP-rated enclosures for harsh environments, use protective caps when not in use, schedule regular cleaning

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
±0.1mm for contact positioning, ±0.05mm for housing dimensions
Test Method
IEC 60512 for electrical performance, MIL-STD-202 for environmental testing, TIA/EIA-568-B for transmission characteristics

Procurement Evaluation Criteria

Not customer reviews or live demand data. These dimensions support RFQ preparation and supplier evaluation.

Technical documentation
4/5
Manufacturing capability
4/5
Inspection readiness
5/5
Supplier transparency
3/5

These scores are example evaluation dimensions, not real customer ratings, country-specific buyer feedback, or live inquiry activity.

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Frequently Asked Questions

What is the difference between RJ-45 and 8P8C connectors?

RJ-45 is the common name for the 8P8C modular connector used in Ethernet networks. Technically, 8P8C describes the physical configuration (8 positions, 8 contacts), while RJ-45 refers to the telecommunications standard for this connector type.

Can RJ-45 connectors support PoE (Power over Ethernet)?

Yes, standard RJ-45 connectors are designed to support PoE applications up to 60W (802.3bt). The gold-plated contacts and proper insulation ensure reliable power transmission alongside data signals.

What maintenance is required for RJ-45 connectors in industrial environments?

Regular inspection for dust/debris accumulation, contact oxidation check, and verification of locking tab integrity. Use contact cleaners specifically designed for gold-plated connectors when necessary.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

Data Basis

CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks.

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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