Modular Connectors

Modular Connectors - Adapters

Part Number	Description / PDF	Quantity
RJFTV71G Socapex (Amphenol Pcd)	CONN MOD COUPLER 8P8C TO 8P8C	351
RJF6A7A1N Socapex (Amphenol Pcd)	RJ FIELD CAT6A JAM NUT RECEPTACL	25
RJF6A7SA1N Socapex (Amphenol Pcd)	RJ FIELD CAT6A JAM NUT RECEPTACL	25
1546574-1 TE Connectivity AMP Connectors	CONN MOD COUPLER 8P8C TO 8P8C	115
5-2120875-1 TE Connectivity AMP Connectors	COUPLER PLUG/JACK RJ45 8P 90DEG	4
RJF6A2A1N Socapex (Amphenol Pcd)	RJ FIELD CAT6A SQUARE FLANGE REC	15
09452251108 HARTING	CONN MOD COUPLER 8P8C TO 8P8C	11
RJF21RAB Socapex (Amphenol Pcd)	CONN MOD COUPLER 8P8C TO 8P8C	78
1-1546415-1 TE Connectivity AMP Connectors	CONN MOD COUPLER 6P6C TO 6P6C	79
RJF21N Socapex (Amphenol Pcd)	CONN MOD COUPLER 8P8C TO 8P8C	541
17-101494 CONEC	CONN MOD COUPLER 8P8C TO 8P8C	285
1300550014 Woodhead - Molex	ENET FR/FR PASS-THRU RJ11 SHLD	6
RJFTV6A7SA1ZN Socapex (Amphenol Pcd)	RJ FIELD TV CAT6A JAM NUT RECEPT	23
RJFTV67A1N Socapex (Amphenol Pcd)	CONN MOD COUPLER 8P8C TO 8P8C	0
CP30722 Cliff	DUALSLIM CAT.6 RJ45 BLACK PLASTI	0
1300550001 Woodhead - Molex	CONN MOD COUPLER 8P8C TO 8P8C	188
RJF6A2A1ZN Socapex (Amphenol Pcd)	RJ FIELD CAT6A SQUARE FLANGE REC	25
RJF2PE1B Socapex (Amphenol Pcd)	CONN MOD COUPLER 8P8C TO 8P8C	34
RJFTV67SA1N Socapex (Amphenol Pcd)	CONN MOD COUPLER 8P8C TO 8P8C	0
RJFTV71N Socapex (Amphenol Pcd)	CONN MOD COUPLER 8P8C TO 8P8C	76

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