Modular Connectors

Modular Connectors - Plugs

Part Number	Description / PDF	Quantity
09451511109 HARTING	CONN MOD PLUG 8P4C SHIELDED	38
09451819001XL HARTING	IX INDUSTRIAL 10B-1 IDC PLUG	111
09451511560 HARTING	CONN MOD PLUG 8P8C SHIELDED	1732
09451451521 HARTING	HARTING PUSHPULL V4 2.0 RJ45 CAT	1
09352210421 HARTING	CONN MOD PLUG 8P4C SHIELDED	5
09451151520 HARTING	HAN 3A RJ45 CAT6A GIGALINK METAL	25
09451251300 HARTING	CONN MOD PLUG 8P4C SHIELDED	1
10120052001 HARTING	CONN MOD PLUG 8P4C SHIELDED	6
09451951520 HARTING	CONN MOD PLUG 8P8C SHIELDED	0
09352250401 HARTING	CONN MOD PLUG 8P8C SHIELDED	0
20822040001 HARTING	HANPP V14 PRELINK RJ45 PLUG 8P P	2
09451511560XL HARTING	CONN MOD PLUG	0
09451511561 HARTING	CONN MOD PLUG 8P8C SHIELDED	4
09451511570 HARTING	RJ INDUSTRIAL RJ45 MULTIFEATURE,	100
09454001560 HARTING	CONN MOD PLUG 8P8C	6
09451151100 HARTING	CONN MOD PLUG 8P4C SHIELDED	4
09451451106 HARTING	HARTING PUSHPULL V4 2.0 RJ45 CAT	10
09451511100 HARTING	CONN MOD PLUG 8P4C SHIELDED	62
09451251100 HARTING	CONN MOD PLUG 8P4C SHIELDED	25
09451511121 HARTING	CONN MOD PLUG 8P4C SHIELDED	0

Modular Connectors - Plugs

1. Overview

Modular connectors-plugs are standardized electro-mechanical interfaces enabling rapid connection/disconnection of electronic devices. Defined by international standards (IEC 60603, TIA/EIA-568), these components form the backbone of modern communication infrastructure. Their hot-swappable design ensures system flexibility while maintaining signal integrity in applications ranging from telecommunication to industrial automation.

2. Main Types & Functional Classification

Type	Functionality	Applications
RJ11	6-position 2-conductor	Traditional telephone systems
RJ45	8-position 8-conductor (Cat6/8)	Ethernet networks (10/100/1000 Mbps)
USB Type-A	Rectangular 24-pin	Host/device connectivity (USB 3.2 Gen2)
USB Type-C	Oval 24-pin reversible	Power Delivery (100W), Thunderbolt 4
HDMI Type-A	19-pin digital video/audio	4K/8K display interfaces

3. Structure & Composition

Typical modular plugs feature:

Contact points: Phosphor bronze with gold plating (30-50 m)
Insulation: High-temperature thermoplastics (LCP/PBT)
Shell: Zinc alloy or reinforced polymer
Retention mechanism: Spring-loaded latches (3.5N typical force)

Advanced designs incorporate EMI shielding (Mu-metal) and strain relief boots for 5000+ mating cycles.

4. Key Technical Specifications

Parameter	Value Range	Critical Importance
Rated Voltage	50-600V AC	Electrical safety compliance
Contact Resistance	5-20m	Signal integrity maintenance
Insulation Resistance	100M -10G	Prevent current leakage
Operating Temp	-55 C to +125 C	Environmental reliability
Mating Cycles	1,500-10,000	Product longevity

5. Application Fields

Primary industries include:

Telecommunications: 5G base stations, VoIP systems
Consumer Electronics: Smartphones, VR headsets
Industrial Automation: PLC interfaces, sensor networks
Medical Equipment: MRI scanners, patient monitors
Automotive: Onboard diagnostics (OBD-II), infotainment

Typical devices: Network switches, PoE-powered devices, USB-C docking stations.

6. Leading Manufacturers & Products

Manufacturer	Product Example	Key Features
TE Connectivity	DB115X Series	10G Ethernet, PoE++ support
Amphenol	USB6781-C	USB4 Gen3, 40Gbps data rate
Molex	705456 Series	Automotive-grade HDMI (Type-E)
Samtec	ZSE2-10-S-8C	High-speed RJ45 with integrated magnetics

7. Selection Guidelines

Key selection criteria:

Match interface standard to protocol requirements (e.g., USB4 vs. Thunderbolt 4)
Evaluate current carrying capacity (1.5A-5A per pin)
Environmental compliance (IP67, RoHS)
Termination type (PCB mount vs. cable)
EMI/RFI shielding effectiveness
Cost vs. longevity trade-offs

Case study: Selecting USB Type-C over Micro USB for new IoT devices due to 10x durability rating and reversible design.

8. Industry Trends

Emerging developments:

Optical modular connectors for 400Gbps+ data rates
Hybrid connectors integrating power/data transmission
Nanocoatings for IP68-rated industrial connectors
Smart connectors with embedded ID chips (USB-IF Authentication)
Recyclable polymer composites for eco-friendly designs