Modular Connectors

Modular Connectors - Jacks

Part Number	Description / PDF	Quantity
GSGX-NS-2-88 Kycon	CONN MOD JACK 8P8C R/A GANG X2	345
GMX-SMT2-N-88-50TR Kycon	FL/SMT M/JACK LW/PROF RT<8P8C BL	0
GLX-A-66 Kycon	MODJACK LOW/PROF RT< 6P6C GREY R	1419
GSX-NS7-88-3.05-50 Kycon	MODJK RT< 8P8C SHIELD TOP AND SI	1070
GPX-2-64 Kycon	GANGJACK-2PORT-PERPEND-6P4C GREY	0
GSX-N-88 Kycon	MODJACK RT< 8P8C BLACK ROHS COMP	1140
GDLX-A-66 Kycon	MODJK LOW/PROF RT< 6P6C P/STOPS	0
GWX-S9-88-50 Kycon	8P8C SHIELD MOD JACK WITH TOP/SI	0
GMX-SMT2N101050TR Kycon	FL/SMT M/JACK LOW/PROF RT<10P10C	0
GMX-SMT2-S7-88-50 Kycon	FL/SMT M/JK L/PRF RT< 8P8C SNAP	0
GMX-SMT2-N-44 Kycon	FL/SMT M/JACK LOW/PROF RT<4P4C B	1131
GDCX-PN-44 Kycon	MODJACK PERPEND 4P4C BLK ROHS CO	700
GMX-S-88-50 Kycon	MODJK LOW/PROF RT< 8P8C SHIELD B	874
GDTX-S-88-50 Kycon	CONN MOD JACK 8P8C VERT SHLD	0
GWLX-S-88-G/Y-50 Kycon	MODJACK LOW/PROF RT< 8P8C SHIELD	0
GMX-SMT2-N-101050 Kycon	FL/SMT M/JK LW/PROF RT<10P10C BL	0
GMJXHT-MM-S-88-50TR Kycon	8P8C MOD, JACK, MIDMOUNT, SHIELD	0
GDLX-A-64 Kycon	MODJK LOW/PROF RT< 6P4C P/STOPS	0
GDCX-PN-66 Kycon	MODJACK PERPEND 6P6C BLK ROHS CO	879
GMX-SMT2-S7-8850TR Kycon	FL/SMT M/JK L/PRF RT< 8P8C SNAP	0

Modular Connectors - Jacks

1. Overview

Modular connectors-jacks are standardized electro-mechanical interfaces used for connecting cables in telecommunications, data networks, and electronic systems. Their hot-swappable design and standardized dimensions enable rapid deployment and maintenance. These connectors maintain signal integrity while providing mechanical strain relief, playing critical roles in network infrastructure, consumer electronics, and industrial equipment.

2. Main Types and Functional Classification

Type	Functional Characteristics	Application Examples
RJ11	6-position 2-conductor design, voice-grade transmission	Residential telephone lines
RJ45	8-position 8-conductor, supports up to 10GBASE-T Ethernet	LAN switches/routers
USB Type-A	Rectangular interface with 4-24 pins, supports USB 3.2 Gen2	Computer peripherals
HDMI	19-pin configuration, transmits uncompressed video/audio	Home theaters/monitors
Fiber LC	Duplex optical interface, supports 100Gbps+ transmission	Data center backbone

3. Structure and Components

Typical construction includes: - Insulating housing (high-temp thermoplastic) - Conductive contacts (phosphor bronze with gold plating) - Latch retention mechanism - Wire termination points (IDC or solder) - EMI shielding layer The modular design allows tool-less installation while maintaining mechanical stability through polarization keys and retention clips.

4. Key Technical Specifications

Parameter	Typical Values	Importance
Insertion Loss	<0.5dB @100MHz	Signal quality preservation
Durability	750-2000 mating cycles	Long-term reliability
Contact Resistance	10-30m	Power transmission efficiency
Insulation Resistance	>500M	Electrical safety
Operating Temp	-40 C to +85 C	Environmental adaptability

5. Application Fields

Telecom: PBX systems, DSL modems
IT Infrastructure: Server racks, PoE devices
Consumer Electronics: Smart TVs, gaming consoles
Industrial: PLC controllers, SCADA systems
Automotive: Telematics control units

6. Leading Manufacturers and Products

Manufacturer	Key Products
TE Connectivity	Category 8 RJ45 modules
Amphenol	Military-spec circular connectors
Molex	Optical LC duplex adapters
Delphi	Automotive-grade sealed jacks

7. Selection Guidelines

Key considerations: - Transmission speed requirements (e.g., Cat6a vs Cat8) - Environmental factors (temperature/humidity/vibration) - Mating cycle expectations - Shielding requirements (FTP vs UTP) - Backward compatibility needs - Cost vs performance trade-offs

8. Industry Trends

Development directions include: - 400Gbps+ optical interfaces - 0.8mm pitch miniaturization - Smart connectors with built-in sensors - PoE++ (90W+) capability integration - Bio-based polymer materials adoption The global market is projected to grow at 6.2% CAGR through 2030 driven by 5G and IoT deployments.