Rectangular Connectors - Accessories

Image Part Number Description / PDF Quantity Rfq
1053251002

1053251002

Woodhead - Molex

NANO-FIT TPA V0 BLK 2 CKT

26103

2047230002

2047230002

Woodhead - Molex

BACKSHELL MINIFIT 2CKT 1=1PC

8629

1727090111

1727090111

Woodhead - Molex

MINIFIT TPA 2.0, RECPT TPA, V-2,

1100

0934471012

0934471012

Woodhead - Molex

CONN WEDGELOCK 2POS MLXT

72

0015049209

0015049209

Woodhead - Molex

POLARIZING KEY FOR .100 HOUSINGS

32332

0349501611

0349501611

Woodhead - Molex

MX150 2X8 BLD BACKSHELL W/RIB

0

0015040297

0015040297

Woodhead - Molex

POLARIZING KEY FOR .156 HOUSINGS

15232

0875691020

0875691020

Woodhead - Molex

2MM MGRID IDT STRRLF D.R. NYL

7298

2001220106

2001220106

Woodhead - Molex

GLOW WIRE MEGAFIT BACKSHLL 1=1PC

17

1054150008

1054150008

Woodhead - Molex

MEGA-FIT TPA 8CKT 94 V-0 NAT

2900

1722644003

1722644003

Woodhead - Molex

ULTRA-FIT TANGLESS TERMINAL POSI

8000

0015979061

0015979061

Woodhead - Molex

CONN KEY RETENT FOR MINI-FIT JR

119

0050650010

0050650010

Woodhead - Molex

CGRID SL PMC WTOW DR 10POS

304

0510480500

0510480500

Woodhead - Molex

2.0 PITCH CABLE HOLDER

0

1727090004

1727090004

Woodhead - Molex

MINIFIT TPA 2.0 RECPT TPA V-0 4C

13212

1722681004

1722681004

Woodhead - Molex

ULTRAFIT TPA BLK GW 04 CKT

0

1727090010

1727090010

Woodhead - Molex

MINIFIT TPA 2.0, RECPT TPA, V-0,

1099

2018440030

2018440030

Woodhead - Molex

MULTICAT BACKSHELL 1X3 BLK 8-10A

409

1729532001

1729532001

Woodhead - Molex

MICRO-FIT TERMINAL POSITION ASSU

2458

1502120003

1502120003

Woodhead - Molex

DITTO TERMINAL POSITION ASSURANC

18372

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

TypeFunctionApplication Example
Dust CoversProtect connectors from dust, moisture, and debrisOutdoor communication equipment
Locking RingsPrevent accidental disconnection under vibrationAerospace sensor systems
Cable ClampsSecure cables to prevent strain on contactsIndustrial machinery
Adapter PanelsEnable interface between different connector standardsData center server racks
Sealing GrommetsProvide IP67-rated watertight sealsMarine electronics
Mounting BracketsFacilitate secure panel or PCB installationMedical 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

ParameterDescriptionImportance
Material TypePlastic/metal compositionDetermines durability and temperature resistance
Operating Temp-55 C to +125 C rangeEnsures performance in extreme conditions
IP RatingIP65 to IP68Defines protection level against solids/liquids
Contact Resistance 10m Maintains signal integrity
Vibration ResistanceMIL-STD-202F compliantPrevents failure in dynamic environments
Installation MethodPush-pull, screw, or clip-onAffects 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

ManufacturerRepresentative ProductKey Feature
TE ConnectivityDura-Con Dust CoversUL94 V-0 flammability rating
AmphenolSealed Panel Mount KitsIP68 protection up to 3m depth
MolexMini50 Locking AdaptersHigh-density signal conversion
DelphiAutomotive Grade Cable ClampsVibration tested to 2000 hours
ITT CannonRuggedized MIL-DTL-38999 AdaptersOperating 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

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