Circular Connectors - Backshells and Cable Clamps

Image Part Number Description / PDF Quantity Rfq
TX18AB45C3628

TX18AB45C3628

TE Connectivity Aerospace Defense and Marine

CONN BACKSHELL ADPT SZ 36 OLIVE

0

TXR41AB00-2414BI

TXR41AB00-2414BI

TE Connectivity Aerospace Defense and Marine

CONN BACKSHELL ADPT SZ24 25 OLIV

0

TX40SJ00-1406

TX40SJ00-1406

TE Connectivity Aerospace Defense and Marine

CONN BACKSHELL ADPT SZ 15D M22

0

TXR54AC00-1812AI

TXR54AC00-1812AI

TE Connectivity Aerospace Defense and Marine

CONN BACKSHELL ADPT SZ18 27 SLVR

0

TXR54AB00-2014AI

TXR54AB00-2014AI

TE Connectivity Aerospace Defense and Marine

CONN BACKSHELL ADPT SZ20 37 OLIV

0

KTKK-0445

KTKK-0445

TE Connectivity Aerospace Defense and Marine

CONN BACKSHELL ADPT SZ 10

0

R85049/89-13Z02

R85049/89-13Z02

TE Connectivity Aerospace Defense and Marine

R85049/89-13Z02

0

TX41AB00-1806

TX41AB00-1806

TE Connectivity Aerospace Defense and Marine

CONN BACKSHELL ADPT SZ18 19 OLIV

0

TXR40AB00-1605AI2J

TXR40AB00-1605AI2J

TE Connectivity Aerospace Defense and Marine

CONN BACKSHELL ADPT SZ 17E OLIVE

0

TXR40AC00-2216AI

TXR40AC00-2216AI

TE Connectivity Aerospace Defense and Marine

CONN BACKSHELL ADPT SZ 23H SLVR

0

TXR30AB00-1612AI2

TXR30AB00-1612AI2

TE Connectivity Aerospace Defense and Marine

CONN BACKSHELL ADPT SZ 17D OLIVE

0

TXR21AB00-1004AI

TXR21AB00-1004AI

TE Connectivity Aerospace Defense and Marine

CONN BACKSHELL ADPT SZ 10 OLIVE

0

TXR58AB00-2810AI

TXR58AB00-2810AI

TE Connectivity Aerospace Defense and Marine

CONN BACKSHELL ADPT SZ 28 OLIVE

0

TXR54AC45-6118AI

TXR54AC45-6118AI

TE Connectivity Aerospace Defense and Marine

CONN BACKSHELL ADPT SZ 61 SLVR

0

TX41AB00-1410

TX41AB00-1410

TE Connectivity Aerospace Defense and Marine

CONN BACKSHELL ADPT SZ14 15 OLIV

0

TXR54AC00-2414AI-CS2928

TXR54AC00-2414AI-CS2928

TE Connectivity Aerospace Defense and Marine

CONN BACKSHELL ADPT SZ 24 SLVR

0

TXR54AB00-1410AI

TXR54AB00-1410AI

TE Connectivity Aerospace Defense and Marine

CONN BACKSHELL ADPT SZ 12-14S

0

TXR40SJ90-2212BI

TXR40SJ90-2212BI

TE Connectivity Aerospace Defense and Marine

CONN BACKSHELL ADPT SZ 23H M34

0

TXR58AB00-1806AI

TXR58AB00-1806AI

TE Connectivity Aerospace Defense and Marine

CONN BACKSHELL ADPT SZ 18 OLIVE

0

BTA3-12-08-1-C-SE

BTA3-12-08-1-C-SE

TE Connectivity Aerospace Defense and Marine

BANDING BACKSHELL, 90 DEG

0

Circular Connectors - Backshells and Cable Clamps

1. Overview

Circular connectors backshells and cable clamps are critical electromechanical components that ensure secure cable termination, strain relief, and environmental protection in connector systems. Backshells provide mechanical support and shielding for cable-connector junctions, while cable clamps offer strain relief by securing cables to panels or equipment. These components are essential in maintaining signal integrity, preventing mechanical failure, and meeting industry-specific environmental standards across aerospace, industrial automation, and medical device applications.

2. Main Types and Functional Classification

TypeFunction FeaturesApplication Examples
Metal BackshellsEMI/RFI shielding, high durability, threaded couplingAerospace avionics systems
Plastic BackshellsLightweight, corrosion-resistant, quick-install designIndustrial IoT sensors
360 Cable ClampsFull-circle compression, vibration resistanceRobotics joint actuators
Split-shell ClampsField-installable, adjustable diameter rangeMarine communication systems
EMI Shielded ClampsIntegrated conductive gaskets, grounding contactsMilitary radar equipment

3. Structure and Components

Typical backshell assembly consists of: - Housing (aluminum alloy or thermoplastic) - Cable entry port with sealing ring (IP67 rated) - Strain relief mechanism (serrated clamping ring) - EMI shielding fingers (for metallic versions) - Panel mounting threads (UNF or metric) Cable clamp structure includes: - Two-part housing (upper/lower halves) - Elastomer compression sleeve - Threaded locking screws - Cable contact surface (textured for grip) - Optional grounding tab

4. Key Technical Specifications

ParameterValue RangeImportance
Material Temperature Range-55 C to +150 COperational reliability in extreme environments
IP Protection RatingIP65-IP68Dust/water ingress prevention
Cable Diameter Range2-25mmCompatibility with various cable sizes
Insertion Force0.5-5NImpact on field installation efficiency
Shielding Effectiveness60-100dBSignal integrity maintenance
Vibration Resistance10-2000Hz, 10GAerospace/military compliance

5. Application Fields

  • Aerospace: Flight control systems, satellite communication arrays
  • Medical: MRI scanners, patient monitoring equipment
  • Industrial: CNC machine cabling, factory automation sensors
  • Transportation: Rail signaling systems, EV battery connectors
  • Defense: Tactical radio systems, weapon guidance electronics

6. Leading Manufacturers and Products

ManufacturerRepresentative ProductKey Features
TE ConnectivityDuronic MS BackshellQuick-disconnect, MIL-DTL-38999 compliant
AmphenolSeries 5000 Cable ClampMulti-cable capacity, IP68 rated
MolexToughCrimp Shielded Backshell10G EMI shielding, vibration proof
Weidm llerPROFIBUS Cable ClampFieldbus protocol optimized design

7. Selection Recommendations

Key selection criteria include: - Environmental factors (temperature, humidity, chemical exposure) - Cable geometry (diameter, jacket material) - Mechanical requirements (vibration, pull-out force) - EMI/RFI shielding needs - Installation constraints (tool access, maintenance frequency) - Compliance standards (MIL-SPEC, IEC 60529) Example: For offshore wind turbine sensors, select stainless steel backshells with IP68 clamps and neoprene sealing to withstand saltwater corrosion and mechanical shock.

8. Industry Trends

Current development trends include: - Hybrid connectors integrating optical and electrical backshells - Additive manufacturing for custom cable clamp geometries - Smart clamps with embedded strain gauges for condition monitoring - Nano-coatings for enhanced corrosion resistance - Miniaturization for UAV and wearable medical device applications - Sustainability focus: Recyclable thermoplastic formulations

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