Modular Connectors

Modular Connectors - Jacks

Image	Part Number	Description / PDF	Quantity	Rfq
	GMX-SMT2-N-64-TR Kycon	FL/SMT M/JACK LOW/PROF RT<6P4C B	0
	GSGX-NS-8-88 Kycon	GANGJACK 8PORT RT< 8P8C SHIELD B	0
	GDX-N-88K-50 Kycon	MODJACK RT< 8P8C W/O PNL STP KEY	0
	GWLX-S-88-G/R Kycon	MODJACK LOW/PROF RT< 8P8C SHIELD	0
	GDX-PNS-66 Kycon	MODJACK PERPEND 6P6C SHIELD BLAC	0
	GMX-SMT2-N-64-50TR Kycon	FL/SMT M/JACK LOW/PROF RT<6P4C B	0
	GSGX-NS2-688-36850 Kycon	G/JK 6PT RT< 8P8C SHL L/GT BLK 3	0
	GLX-A-64-50 Kycon	MODJACK LOW/PROF RT< 6P4C GREY 5	0
	GDLX-SMT-S-88K Kycon	SMT MODJACK, RT< 8P8C SHIELD, BL	0
	GSGX-NS2-488-457 Kycon	G/JK 4PORT RT< 8P8C SHLD LG GT B	0
	GAX-5-62 Kycon	GANGJACK 5PORT RT< 6P2C GREY ROH	0
	GAX-6-64 Kycon	GANGJACK 6PORT RT< 6P4C GREY ROH	0
	GKX-RA-88-30 Kycon	MODJACK 45< 8P8C WHT 30U ROHS CO	0
	GKXHT-RAS-88 Kycon	MODJACK HI-TEMP 45< 8P8C SHIELD	0
	GKXHT-RAS-88-50 Kycon	MODJACK HI-TEMP 45< 8P8C SHIELD	0
	GKX-RAS-88-C5 Kycon	MODJACK 45< 8P8C SHIELD CAT 5 WH	0
	GWLGEX-S1288-Y/G Kycon	GANGJACK 2 PORT RT< 8P8C SHIELD	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.