Rectangular Connectors - Accessories

Image Part Number Description / PDF Quantity Rfq
3706-5060

3706-5060

3M

CONN RCPT KIT 60POS EMI SYSTE

0

3448-15830

3448-15830

3M

CABLE STRAIN RELIEF 2MM 30 POS

0

3448-15814

3448-15814

3M

CABLE STRAIN RELIEF 2MM 14 POS

0

3448-28

3448-28

3M

CONN STRAIN RELIEF 26POS .050"

0

3448-15812

3448-15812

3M

CABLE STRAIN RELIEF 2MM 12 POS

0

3448-15824

3448-15824

3M

CABLE STRAIN RELIEF 2MM 24 POS

0

38504-473J-2R00 FL

38504-473J-2R00 FL

3M

LINK TERMINATOR FOR FLAT CABLE

0

3705-A234

3705-A234

3M

CONN SHELL KIT 34POS EMI SYST

0

6450-9000

6450-9000

3M

PINLESS HEADER 50 PIN NO LATCH

0

3705-A240

3705-A240

3M

CONN SHELL KIT 40POS EMI SYST

0

3448-15850

3448-15850

3M

CABLE STRAIN RELIEF 2MM 50POS

0

3448-15816

3448-15816

3M

CABLE STRAIN RELIEF 2MM 16 POS

0

3448-29

3448-29

3M

CONN STRAIN RELIEF 34POS .050"

0

3705-A220

3705-A220

3M

CONN SHELL KIT 20POS EMI SYST

0

3505-8124

3505-8124

3M

CONN RETAINER CLIP 24POS LONG

0

3448-15840

3448-15840

3M

CABLE STRAIN RELIEF 2MM 40 POS

0

3448-15834

3448-15834

3M

CABLE STRAIN RELIEF 2MM 34POS

0

P50-080-STR-BSK

P50-080-STR-BSK

3M

CONN BACKSHELL 80POS STR .050"

0

3706-5040

3706-5040

3M

CONN RCPT KIT 40POS EMI SYSTE

0

6426-9300

6426-9300

3M

PNLSS HDR 26PIN LNG ROLL PIN LAT

0

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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