Modular Connectors - Jacks With Magnetics

Image Part Number Description / PDF Quantity Rfq
JV011I21NL

JV011I21NL

PulseLarsen Antenna

CONN JACK 1PORT 100 BASE-TX SMD

333

7499010004A

7499010004A

Würth Elektronik Midcom

CONN JACK 1PORT 100 BASE-T PCB

0

A60-112-331P411

A60-112-331P411

EDAC Inc.

CONN JACK 1PORT 1000 BASE-T PCB

0

0857911020

0857911020

Woodhead - Molex

CONN JACK 1PORT 1000 BASE-T PCB

359

V890-1RX1-A1

V890-1RX1-A1

Bel Fuse, Inc.

CONN JACK 1PORT 1000 BASE-T PCB

141

0811-2X8R-28-F

0811-2X8R-28-F

Bel Fuse, Inc.

CONN JACK 16PORT 100 BASE-T PCB

0

0857931006

0857931006

Woodhead - Molex

CONN JACK 1PORT 1000 BASE-T PCB

839396

JP026821UNL

JP026821UNL

PulseLarsen Antenna

CONN JACK 1PORT 100 BASE-TX PCB

819

J1N-0005NL

J1N-0005NL

PulseLarsen Antenna

CONN JACK 4PORT 1000 BASE-T PCB

0

A63-143-300N161

A63-143-300N161

EDAC Inc.

CONN JACK 4PORT 100 BASE-T PCB

53

JXD0-2005NL

JXD0-2005NL

PulseLarsen Antenna

CONN JACK 2PORT 100 BASE-T PCB

16

RB1-105BAG1A

RB1-105BAG1A

WIZnet

CONN JACK 1PORT 100 BASE-T PCB

0

A60-114-300P432

A60-114-300P432

EDAC Inc.

CONN JACK 1PORT 1000 BASE-T PCB

0

ARJ14A-MBSD-A-B-FMU2

ARJ14A-MBSD-A-B-FMU2

Abracon

CONN JACK 4PORT 100 BASE-T PCB

0

ARJP11A-MASA-B-A-EMU2

ARJP11A-MASA-B-A-EMU2

Abracon

CONN JACK 1PORT 100 BASE-TX PCB

0

MTJ-88CEX1-FS-PG-VL38-M315C-HF

MTJ-88CEX1-FS-PG-VL38-M315C-HF

Adam Tech

CONN JACK 1PORT 10G BASE-T

200

5-2337992-4

5-2337992-4

TE Connectivity AMP Connectors

CONN JACK 1PORT 100 BASE-T PCB

1200

JXG0-0098NL

JXG0-0098NL

PulseLarsen Antenna

CONN JACK 4PORT 1000 BASE-T PCB

63

7499011001A

7499011001A

Würth Elektronik Midcom

CONN JACK 1PORT 100 BASE-T PCB

65

ARJ11A-MASH-KU2

ARJ11A-MASH-KU2

Abracon

CONN JACK 1PORT 10 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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