Modular Connectors - Jacks With Magnetics

Image Part Number Description / PDF Quantity Rfq
SI-60118-F

SI-60118-F

Stewart Connector

CONN JACK 1PORT 100 BASE-T PCB

1000

7499210001A

7499210001A

Würth Elektronik Midcom

CONN JACK 1PORT 100 BASE-T PCB

11

JXK0-0136NL

JXK0-0136NL

PulseLarsen Antenna

CONN JACK 1PORT 1000 BASE-T PCB

968

SI-52003-F

SI-52003-F

Stewart Connector

CONN JACK 1PORT 100 BASE-T PCB

0

SI-46013-F

SI-46013-F

Stewart Connector

CONN JACK 1PORT 100 BASE-T PCB

0

ARJC07-111071A

ARJC07-111071A

Abracon

CONN JACK 1PORT 100 BASE-TX PCB

2537

RJMG2018344A1ER

RJMG2018344A1ER

Storage & Server IO (Amphenol ICC)

CONN JACK 1PORT 1000 BASE-T PCB

0

74990111217

74990111217

Würth Elektronik Midcom

CONN JACK 1PORT 100 BASE-T PCB

606

JXD1-0014NL

JXD1-0014NL

PulseLarsen Antenna

CONN JACK 1PORT PCB RJ45 1X1

112

ARJ11C-MASAB-B-A-2MU2

ARJ11C-MASAB-B-A-2MU2

Abracon

CONN JACK 1PORT 100 BASE-T PCB

0

0936273601

0936273601

Woodhead - Molex

CONN JACK 1PORT 1000 BASE-T PCB

2

ARJM11A1-809-AB-CW2

ARJM11A1-809-AB-CW2

Abracon

CONN JACK 1PORT 2.5G BASE-T PCB

0

J1026F21CNL

J1026F21CNL

PulseLarsen Antenna

CONN JACK 1PORT 100 BASE-TX PCB

2159

JD2-0001NL

JD2-0001NL

PulseLarsen Antenna

CONN JACK 1PORT 100 BASE-TX PCB

42

ARJ11E-MBSC-A-B-GL2

ARJ11E-MBSC-A-B-GL2

Abracon

CONN JACK 1PORT 1000 BASE-TX PCB

0

JG0-0023NL

JG0-0023NL

PulseLarsen Antenna

CONN JACK 2PORT 1000 BASE-T PCB

54

74990101210

74990101210

Würth Elektronik Midcom

CONN JACK 1PORT 100 BASE-T PCB

8087

5-6610165-1

5-6610165-1

TRP Connector

CONN JACK 4PORT 100 BASE-T

361

A60-113-271N414

A60-113-271N414

EDAC Inc.

CONN JACK 1PORT 1000 BASE-T PCB

0

74980111211

74980111211

Würth Elektronik Midcom

CONN JACK 1PORT 100 BASE-T SMD

197

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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