Rectangular Connectors - Accessories

Image Part Number Description / PDF Quantity Rfq
2078450003

2078450003

Woodhead - Molex

TPA FOR L1 NK 250 - 1X3 CKT

16510

1729530801

1729530801

Woodhead - Molex

MICROFIT TPA DR FOR 8CKT V0

8641

0050650008

0050650008

Woodhead - Molex

CGRID SL PMC WTOW DR 8POS

0

0738380005

0738380005

Woodhead - Molex

CONN HOUSING CRIMP 5POS 2.54MM

8923

1722644007

1722644007

Woodhead - Molex

ULTRA-FIT TANGLESS TERMINAL POSI

3771

2064620100

2064620100

Woodhead - Molex

MICRO-FIT PLUS TPA 2X1

11625

2070190012

2070190012

Woodhead - Molex

CAP FOR 12 CIRC PLUG HOUSING

2125

0015040292

0015040292

Woodhead - Molex

POLARIZING KEY FOR .100 HOUSINGS

2147483647

0015040293

0015040293

Woodhead - Molex

UNIVERSAL POLARIZING KEY WHITE

27693

1600300003

1600300003

Woodhead - Molex

STAK50H WIRE DRESS COVER B

96000

2078450002

2078450002

Woodhead - Molex

TPA FOR L1 NK 250 - 1X2 CKT

16843

0359030023

0359030023

Woodhead - Molex

.090 WIRE SEAL RED

4179

5051521000

5051521000

Woodhead - Molex

20WB RETAINER 10CKT

24801

0439801002

0439801002

Woodhead - Molex

CON CLIP TPA 8POS 10MM

1830

0015045184

0015045184

Woodhead - Molex

CONN CLIP INTERIM SNGL ROW 18POS

1606

0349511210

0349511210

Woodhead - Molex

MX150 BACKSHELL RCPT 2X6 WRIB

1019

0511640605

0511640605

Woodhead - Molex

2.5 W/B RETAINER

12000

1729531001

1729531001

Woodhead - Molex

MICROFIT TPA DR FOR 10CKT V0

0

0511640205

0511640205

Woodhead - Molex

2.5 W/B RETAINER

2147483647

0015970071

0015970071

Woodhead - Molex

CONN KEY RETENT FOR MINI-FIT JR

53

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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