Modular Connectors - Jacks With Magnetics

Image Part Number Description / PDF Quantity Rfq
0857321008

0857321008

Woodhead - Molex

CONN JACK 12PORT 1000 BASE-T PCB

0

0857931001

0857931001

Woodhead - Molex

CONN JACK 1PORT 1000 BASE-T PCB

1252

0857931007

0857931007

Woodhead - Molex

CONN JACK 1PORT 1000 BASE-T PCB

297

0936358314

0936358314

Woodhead - Molex

CONN JACK 1PORT 100 BASE-TX PCB

58

0936283721

0936283721

Woodhead - Molex

CONN JACK 1PORT 1000 BASE-T PCB

560

0938263020

0938263020

Woodhead - Molex

CONN JACK MXMAG DUAL PORT 8CORE

0

0936283725

0936283725

Woodhead - Molex

CONN JACK 1PORT 1000 BASE-T PCB

0

0857271014

0857271014

Woodhead - Molex

CONN JACK 8PORT 1000 BASE-T PCB

0

0938263001

0938263001

Woodhead - Molex

CONN JACK MXMAG DUAL PORT 8CORE

0

0857271013

0857271013

Woodhead - Molex

CONN JACK 8PORT 1000 BASE-T PCB

0

0937675126

0937675126

Woodhead - Molex

CONN JACK 1PORT 100 BASE-TX PCB

0

0857271016

0857271016

Woodhead - Molex

CONN JACK 8PORT 1000 BASE-T PCB

0

0857190101

0857190101

Woodhead - Molex

CONN JACK 12PORT 1000 BASE-T PCB

0

0934633214

0934633214

Woodhead - Molex

CONN JACK 1PORT 100 BASE-TX PCB

0

0937453608

0937453608

Woodhead - Molex

CONN JACK 1PORT 1000 BASE-T PCB

0

0936348020

0936348020

Woodhead - Molex

CONN JACK 1PORT 100 BASE-T PCB

0

0857261001

0857261001

Woodhead - Molex

CONN JACK 8PORT 1000 BASE-T PCB

0

0857275008

0857275008

Woodhead - Molex

CONN JACK 8PORT PCB

0

0857171001

0857171001

Woodhead - Molex

CONN JACK 12PORT 1000 BASE-T PCB

0

0857891020

0857891020

Woodhead - Molex

CONN JACK 1PORT 10G BASE-T PCB

0

Modular Connectors - Jacks With Magnetics

1. Overview

Modular connectors with integrated magnetics are hybrid components combining standard modular jack interfaces (e.g., RJ45) with built-in magnetic circuits. These devices enable signal transmission while providing galvanic isolation and noise suppression. They are critical in Ethernet communications, industrial networking, and telecommunication systems where signal integrity and electromagnetic compatibility (EMC) are essential.

2. Main Types and Functional Classification

TypeFunctional FeaturesApplication Examples
RJ45 MagJackIntegrated common-mode chokes, 10/100/1000BASE-T supportEthernet switches, routers
Surface Mount MagJackLow-profile SMD design, reduced PCB footprintIndustrial IoT devices
High-Speed MagJackUp to 10GBASE-T support, optimized for <1GHz frequenciesData center servers
POE-Enabled MagJackSupports Power-over-Ethernet (PoE/PoE+)IP cameras, VoIP phones

3. Structure and Components

Typical construction includes: - Plastic housing (LCP/PBT materials) with integrated latch mechanism - Precision-machined copper alloy contacts (gold-plated for durability) - Toroidal magnetic cores for common-mode noise suppression - PCB mounting terminals with insulation displacement design - Shielding cage for EMI protection in high-speed variants

4. Key Technical Specifications

ParameterTypical ValueImportance
Frequency Range100MHz-1GHzDetermines data transmission rate
Insulation Resistance>1G Ensures electrical safety
Rated Current1.5A per contactPOE power handling capability
VSWR<1.3:1Measures signal integrity
Mechanical Life500-1000 mating cyclesProduct durability

5. Application Fields

Primary applications across: - Telecommunications: Central office switches, DSLAMs - Industrial Automation: PLCs, SCADA systems - Consumer Electronics: Smart TVs, gaming consoles - Transportation: In-vehicle networking, railway control systems - Medical Devices: MRI machines, patient monitoring equipment

6. Leading Manufacturers and Products

ManufacturerRepresentative ProductKey Features
TE Connectivity1-1418809-310GBASE-T support, -40 C to +85 C rating
Amphenol51001001Integrated LED indicators, PoE++ compatible
Molex0878650011Shielded design, 1.27mm pitch SMD
Bel Stewart94330101EAuto-transformer function, UL94 V-0 rating

7. Selection Guidelines

Key considerations: 1. Electrical Requirements: Match data rate and PoE specifications 2. Mechanical Constraints: Check PCB footprint and mating dimensions 3. Environmental Factors: Temperature range and humidity resistance 4. Compliance: Verify IEEE 802.3 and RoHS certifications 5. Cost-Performance Ratio: Balance durability with budget limitations

8. Industry Trends

Current development trends include: - Migration to 25/100GBASE-T for data centers - Miniaturization for mobile device integration - Enhanced PoE support (up to 71W) - Integration with active circuitry (smart jacks) - Development of eco-friendly lead-free soldering solutions

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