Rectangular Connectors

Rectangular Connectors - Accessories

Part Number	Description / PDF	Quantity
0349510831 Woodhead - Molex	MX150 BACKSHELL 2X4 ADAPTOR W/RI	0
5051520300 Woodhead - Molex	20WB RETAINER 3CKT	409
5051521400 Woodhead - Molex	20WB RETAINER 14CKT	19418
0349500610 Woodhead - Molex	MX150 BACKSHELL BLD 2X3 W/RIB	209
1053252007 Woodhead - Molex	NANO-FIT TPA V0 WHT 7 CKT	3779
1727092003 Woodhead - Molex	MINI-FIT SIGMA TPA 3CKT	2160
1722644004 Woodhead - Molex	ULTRA-FIT TANGLESS TERMINAL POSI	5400
0015045081 Woodhead - Molex	CONN CLIP INTERIM SNGL ROW 8POS	2193
0875691034 Woodhead - Molex	2MM MGRID IDT STRRLF D.R. NYL	2472
0511640405 Woodhead - Molex	2.5 W/B RETAINER	5165
1727090012 Woodhead - Molex	MINIFIT TPA 2.0, RECPT TPA, V-0,	519
2001220010 Woodhead - Molex	MEGAFIT BACKSHL HALF 10CKT 1=1PC	69
0439801004 Woodhead - Molex	MINI-SR. DUAL ROW TPA-12C	748
5601250800 Woodhead - Molex	RETAINER 8P	2722
1727090008 Woodhead - Molex	MINIFIT TPA 2.0, RECPT TPA, V-0,	329
0194260001 Woodhead - Molex	WEATHERTGHT MALE BOOT 16-12AWG	38
0643251023 Woodhead - Molex	CONN CMC BLIND PLUG 1.5MM	4673
1729530802 Woodhead - Molex	MICROFIT TPA DR FOR 8CKT GW	0
1053251003 Woodhead - Molex	NANO-FIT TPA V0 BLK 3 CKT	18088
1729531801 Woodhead - Molex	MICRO-FIT TERMINAL POSITION ASSU	2966

Rectangular Connectors - Accessories

1. Overview

Rectangular connectors - accessories refer to supplementary components designed to enhance the performance, durability, and functionality of rectangular electrical connectors. These accessories include covers, locking mechanisms, cable clamps, adapters, and sealing elements. They play a critical role in protecting connectors from environmental factors, ensuring mechanical stability, and enabling compatibility across systems. With the increasing complexity of electronic systems in industries like telecommunications, automotive, and industrial automation, these accessories have become essential for maintaining reliable signal and power transmission.

2. Main Types and Functional Classification

Type	Function	Application Example
Dust Covers	Protect connectors from dust, moisture, and debris	Outdoor communication equipment
Locking Rings	Prevent accidental disconnection under vibration	Aerospace sensor systems
Cable Clamps	Secure cables to prevent strain on contacts	Industrial machinery
Adapter Panels	Enable interface between different connector standards	Data center server racks
Sealing Grommets	Provide IP67-rated watertight seals	Marine electronics
Mounting Brackets	Facilitate secure panel or PCB installation	Medical diagnostic devices

3. Structure and Composition

Typical accessories consist of:

Material: High-temperature resistant plastics (e.g., PBT, nylon) or metal alloys (e.g., aluminum, stainless steel)
Design: Molded housings with snap-fit or threaded interfaces
Coatings: Corrosion-resistant platings (e.g., nickel, zinc)
Sealing Elements: Elastomer O-rings or gaskets for environmental protection

4. Key Technical Specifications

Parameter	Description	Importance
Material Type	Plastic/metal composition	Determines durability and temperature resistance
Operating Temp	-55 C to +125 C range	Ensures performance in extreme conditions
IP Rating	IP65 to IP68	Defines protection level against solids/liquids
Contact Resistance	10m	Maintains signal integrity
Vibration Resistance	MIL-STD-202F compliant	Prevents failure in dynamic environments
Installation Method	Push-pull, screw, or clip-on	Affects ease of maintenance

5. Application Fields

Key industries utilizing these accessories include:

Telecommunications: 5G base stations, fiber optic enclosures
Automotive: EV charging systems, ADAS sensors
Industrial Automation: PLC control cabinets, robotic arms
Medical: MRI machines, patient monitoring systems
Aerospace: Avionics, satellite communication modules

6. Leading Manufacturers and Products

Manufacturer	Representative Product	Key Feature
TE Connectivity	Dura-Con Dust Covers	UL94 V-0 flammability rating
Amphenol	Sealed Panel Mount Kits	IP68 protection up to 3m depth
Molex	Mini50 Locking Adapters	High-density signal conversion
Delphi	Automotive Grade Cable Clamps	Vibration tested to 2000 hours
ITT Cannon	Ruggedized MIL-DTL-38999 Adapters	Operating temp -65 C to +200 C

7. Selection Guidelines

Key considerations for selection:

Environmental Conditions: Outdoor applications require UV-resistant materials
Connector Compatibility: Match dimensions with IEC 61076 standards
Sealing Requirements: Select IP67/IP68 for submersion applications
Material Selection: Aluminum for EMI shielding, plastic for weight-sensitive uses
Regulatory Compliance: RoHS/REACH for EU markets, UL certification for North America

8. Industry Trends

Emerging developments include:

Miniaturization: Sub-1mm pitch accessories for IoT devices
Modular Designs: Interchangeable components for rapid system reconfiguration
Smart Integration: Embedded sensors in locking mechanisms for predictive maintenance
Eco-friendly Materials: Bio-based polymers replacing traditional plastics
High-Speed Compatibility: Accessories supporting 25+ Gbps data rates