Modular Connectors

Modular Connectors - Plugs

Part Number	Description / PDF	Quantity
TM11AP1-88P Hirose	CONN MOD PLUG 8P8C UNSHIELDED	0
937-SP-360808-A108 Stewart Connector	CONN MOD PLUG 8P8C SHIELDED	849
VDV826-762 Klein Tools	CAT5E PASS-THRU RJ45 CON 200/PK	7
RVAIP2UBK-B24 Belden	PLUG CAT 5E-6-6A UTP RJ45 1=24	35
A-MO 6/4 SF ASSMANN WSW Components	CONN MOD PLUG 6P4C UNSHIELDED	2161
943-SP-370808SM2 Stewart Connector	CONN MOD PLUG 8P8C SHIELDED	776
SS-39200-079 Stewart Connector	CONN MOD PLUG CAT6A 8P8C SHLD	238
1656990 Phoenix Contact	CONN MOD PLUG 8P8C SHIELDED	5142
J00026A4000 Telegärtner	CAT 6A ANGLE PLUG T568A	100
J00026A5000 Telegärtner	CAT 6A PLUG T568A	100
0449150011 Woodhead - Molex	CONN MOD PLUG 8P8C SHIELDED	1459
09451151102 HARTING	CONN MOD PLUG 8P4C SHIELDED	32
0449150021 Woodhead - Molex	CONN MOD PLUG 8P8C SHIELDED	3242
09451451561 HARTING	HARTING PUSHPULL V4 2.0 RJ45 CAT	2
1992870000 Weidmuller	RJ45 PLUG, NO TOOLS REQUIRED, AN	2415
SP630-C Panduit Corporation	30 AWG, CATEGORY 6, UTP MODULAR	0
1300570001 Woodhead - Molex	CONN MOD PLUG 8P8C SHIELDED	127
TM10P-88P Hirose	CONN MOD PLUG 8P8C UNSHIELDED	0
940-SP-360808-A161 Stewart Connector	CONN MOD PLUG 8P8C SHIELDED	976
0449150012 Woodhead - Molex	CONN MOD PLUG 8P8C 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