Modular Connectors

Modular Connectors - Adapters

Part Number	Description / PDF	Quantity
1546641-1 TE Connectivity AMP Connectors	CONN MOD COUPLER 8P8C TO 8P8C	0
RJF7PEM1G Socapex (Amphenol Pcd)	CONN MOD COUPLER 8P8C TO 8P8C	46
DCP-RJ6T-F Switchcraft / Conxall	CONN MOD COUPLER 8P8C TO 8P8C	4
RJF6A2A1G Socapex (Amphenol Pcd)	RJ FIELD CAT6A SQUARE FLANGE REC	15
RJFTV21G Socapex (Amphenol Pcd)	CONN MOD COUPLER 8P8C TO 8P8C	106
RJF62SA1G Socapex (Amphenol Pcd)	CONN MOD COUPLER 8P8C TO 8P8C	0
RJ11F71N Socapex (Amphenol Pcd)	CONN MOD COUPLER 6P6C TO 6P6C	7
EHRJ45D6440 Switchcraft / Conxall	CONN, RJ45, CAT6, DIECAST HOUSIN	20
EHRJ45D6M3 Switchcraft / Conxall	CONN, RJ45, CAT6, DIECAST HOUSIN	73
IAEBHC6 Panduit Corporation	CATEGORY 6, RJ45, 8-POSITION, 8-	1390
EHRJ45D6ASM3 Switchcraft / Conxall	CONN, RJ45, CAT6A SHIELDED, DIEC	110
DCP-RJ6ST-F Switchcraft / Conxall	CONN MOD COUPLER 8P8C TO 8P8C	134
MRJ-5780-01 Storage & Server IO (Amphenol ICC)	CONN MOD COUPLER 8P8C TO 8P8C	479
DCP-RJ5T-F Switchcraft / Conxall	CONN MOD COUPLER 8P8C TO 8P8C	10
C-RJFTV5E17071G Vitelec / Cinch Connectivity Solutions	CONN MODULAR JACK	53
IPMODM-45FSBHD PEI-Genesis	JACK, PNL RJ45 WS COUPLER	61
RJF21RAN Socapex (Amphenol Pcd)	CONN MOD COUPLER 8P8C TO 8P8C	7
CP30620S Cliff	FM SLIM FT CAT5E SHIELD CSK	0
09452451590 HARTING	CONN MOD COUPLER 8P8C TO 8P8C	47
S-RJFTV5E1702BS1N Stewart Connector	CONN MOD ADAPTER 8P8C TO 8P8C	0

Modular Connectors - Adapters

1. Overview

Modular connectors and adapters are standardized electro-mechanical interfaces enabling rapid connection/disconnection of electronic devices. These components ensure interoperability across systems through defined physical layouts, contact arrangements, and signal protocols. Their hot-swappable design supports system scalability, maintenance efficiency, and cross-platform compatibility in telecommunications, computing, and industrial applications.

2. Main Types & Functional Classification

Type	Key Features	Applications
RJ Series (RJ11/RJ45)	Click-lock plastic housing, 4-8 contacts, CAT5+ compliance	Telecom landlines, Ethernet networks
USB Adapters	Type-A/B/C variants, reversible design, up to 40Gbps support	Peripheral connectivity, mobile charging
DIN/Mini-DIN	Circular metal contacts, EMI shielding, 3-9 pins	Audio equipment, industrial sensors
Fiber Optic Adapters	LC/SC/MPO interfaces, <0.2dB insertion loss	Data centers, high-speed backbone networks

3. Structural Composition

Typical modular connectors integrate:

Mechanical Structure: Thermoplastic housing with precise contact alignment
Electrical Contacts: Phosphor bronze conductors with gold-plated surfaces (30-50 in)
Locking Mechanism: Spring-loaded latches or threaded couplings
Shielding Layer: EMI protection via metal cans or conductive coatings
Strain Relief: Cable anchoring system to prevent mechanical stress

4. Key Technical Parameters

Parameter	Typical Range	Critical Impact
Current Rating	1-10A	Power transmission capability
Contact Resistance	<10m	Signal integrity maintenance
Dielectric Withstanding Voltage	500V-2kV	Electrical safety assurance
Operating Temperature	-55 C to +125 C	Environmental reliability
Mating Cycles	500-10,000 cycles	Durability indicator

5. Application Fields

Telecommunications: Network switches, VoIP systems
Consumer Electronics: Smartphones, laptops
Industrial Automation: PLC interfaces, sensor arrays
Medical Equipment: Patient monitoring systems, diagnostic devices
Transportation: In-vehicle infotainment, avionics

6. Leading Manufacturers & Products

Vendor	Country	Signature Products
TE Connectivity	USA	Category 8 RJ45 modules
Amphenol	USA	MIL-DTL-38999 circular connectors
Molex	USA	Mini50 high-speed backplane connectors
L-com	USA	OM4 multimode fiber adapters

7. Selection Guidelines

Key evaluation criteria:

Signal Type: Power (voltage/current requirements) vs. data (frequency up to 40GHz)
Environmental Conditions: Temperature extremes, vibration exposure
Compliance Standards: RoHS, REACH, UL certification
Space Constraints: Board footprint and height limitations
Cost Optimization: Balance between gold-plating thickness and lifecycle costs

Example: Selecting USB-C with 40Gbps support for AR/VR headsets requiring high-bandwidth video transmission.

8. Industry Trends

Emerging directions include:

Miniaturization: 0.4mm pitch connectors for IoT devices
High-Speed Evolution: 112Gbps backplane connectors for 5G infrastructure
Smart Integration: Connectors with built-in current/voltage monitoring
Sustainability: Bio-based polymers reducing carbon footprint
Modular Hybrids: Combined power/data interfaces for industrial IoT gateways