RJ45 Connector: Voltage Rating 125V AC, Mating Force <35N

Component Specifications

Definition

The RJ45 connector is an 8-position, 8-contact (8P8C) modular plug and jack interface standardized for Ethernet networks and telecommunications equipment. It provides physical connection for twisted-pair cables (typically Category 5e, 6, or higher) and enables data transmission through precise pin alignment and contact mechanisms. The connector features a locking tab for secure connection and follows TIA/EIA-568 wiring standards for consistent performance in industrial networking applications.

Working Principle

The RJ45 connector operates by establishing electrical contact between the connector pins and the twisted-pair cable conductors through insulation displacement contacts (IDC). When mated, the eight gold-plated contacts align with corresponding pins in the jack, creating pathways for differential signaling. The connector maintains signal integrity through controlled impedance (typically 100Ω) and proper shielding, while the locking mechanism ensures mechanical stability during operation.

Materials

Housing: Polycarbonate or PBT plastic (UL94 V-0 rated); Contacts: Phosphor bronze with 50μ" gold plating over 100μ" nickel underplate; Shielding: Nickel-plated steel shell; Locking tab: Nylon or polycarbonate

Technical Parameters

Parameter	Typical range	Notes & selection driver
IP Rating	IP20 (standard), IP67/68 available with protective caps
Mating Force	<35N
Current Rating	1.5A per contact
Unmating Force	10-20N
Voltage Rating	125V AC
Insertion Cycles	≥750 cycles
Contact Resistance	<20mΩ
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, EN 50173

Parent Products

This component is used in the following industrial products

Port Interfaces

Physical and logical connection points on a network switch that enable data transmission between devices.

View Product Details

Ethernet Interface

A hardware component that provides Ethernet connectivity for data communication in industrial automation systems.

View Product Details

Engineering Analysis

Risks & Mitigation

Intermittent connection due to vibration
Corrosion in humid environments
EMI/RFI interference
Mechanical damage to locking tab
Pin misalignment during mating

FMEA Triads

Trigger: Vibration-induced contact separation
Failure: Intermittent data transmission
Mitigation: Use connectors with positive locking mechanisms, implement strain relief, select vibration-rated components

Trigger: Corrosion of contacts in humid environments
Failure: Increased contact resistance, signal degradation
Mitigation: Specify gold-plated contacts (≥50μ"), use protective caps, select IP67/68 rated connectors

Trigger: EMI from nearby industrial equipment
Failure: Data packet loss, communication errors
Mitigation: Use shielded (FTP/STP) connectors, proper grounding, maintain separation from power cables

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

Contact position tolerance: ±0.1mm; Housing dimensions per IEC 60603-7; Impedance tolerance: 100Ω ±15%

Test Method

Per IEC 60512 for electrical continuity, insulation resistance, dielectric strength, mechanical operation, and environmental testing including temperature cycling, humidity, and vibration

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 RJ45 Connector

7 companies list this product among what they make. Company figures are quoted from each company's own website; every card states where the relationship came from.

DEGSON

Zhejiang, CN

Also makes: Feed-through Terminal Blocks, Power Distribution Module, Power Distribution and 9 more