Connector (e.g., RJ-45 Port): Current Rating 1.5A per contact

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

Parameter	Typical range	Notes & selection driver
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

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/IEC 11801, TIA/EIA-568, IEC 60603-7

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

Typical Suppliers & Equivalents

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

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.

CNFX does not score or rank suppliers. Buyers must verify all claims and documents with the legal manufacturer before ordering.

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

Manufacturer profiles associated with Connector (e.g., RJ-45 Port).

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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 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.

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.

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