Modular Connectors

Modular Connectors - Adapters

Part Number	Description / PDF	Quantity
17-10012 CONEC	CONN MOD COUPLER 8P8C TO 8P8C	167
PX0870/E Bulgin	CONN MOD COUPLER 8P8C TO 8P8C	7
RJFTV7SA1N Socapex (Amphenol Pcd)	CONN MOD COUPLER 8P8C TO 8P8C	10
RJFTV6A7A1RAG Socapex (Amphenol Pcd)	RJ FIELD TV CAT6A JAM NUT RECEPT	25
EHRJ45D5E440 Switchcraft / Conxall	CONN, RJ45, CAT5E, DIECAST HOUSI	161
DCP-RJ5B-F Switchcraft / Conxall	CONN MOD COUPLER 8P8C TO 8P8C	0
EHRJ45P5E Switchcraft / Conxall	CONN MOD COUPLER 8P8C TO 8P8C	2327
RJF21B Socapex (Amphenol Pcd)	CONN MOD COUPLER 8P8C TO 8P8C	187
RJFTV6A7A1RAN Socapex (Amphenol Pcd)	RJ FIELD TV CAT6A JAM NUT RECEPT	25
S-RJFTV5E1702BS1G Stewart Connector	CONN MOD ADAPTER 8P8C TO 8P8C	0
CP30720S Cliff	DUALSLIM CAT5E RJ45 SHIELDED BLA	0
EHRJ45P6S Switchcraft / Conxall	CONN MOD COUPLER 8P8C TO 8P8C	10063
RJF21NSCC Socapex (Amphenol Pcd)	CONN MOD COUPLER 8P8C TO 8P8C	97
EHRJ45D6S440 Switchcraft / Conxall	CONN, RJ45, CAT6 SHIELDED, DIECA	154
17-160014 CONEC	CONN RJ45 CAT.6A RCPT	2
EHRJ45D6B Switchcraft / Conxall	CONN, RJ45, CAT6, DIECAST HOUSIN	111
17-101884 CONEC	CONN RJ45 PLUG	256
C-RJFTV5E1702BS1G Vitelec / Cinch Connectivity Solutions	CONN MODULAR JACK	0
N032-001 Tripp Lite	CONN MOD COUPLER 8P8C TO 8P8C	54817300
RJF71N Socapex (Amphenol Pcd)	CONN MOD COUPLER 8P8C TO 8P8C	29

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