Circular Connectors - Backshells and Cable Clamps

Image Part Number Description / PDF Quantity Rfq
TX40AB00-1812

TX40AB00-1812

TE Connectivity Aerospace Defense and Marine

CONN BACKSHELL ADPT SZ 19F OLIVE

0

TXR54AB90-1612AI2

TXR54AB90-1612AI2

TE Connectivity Aerospace Defense and Marine

CONN BACKSHELL ADPT SZ16-19 OLIV

0

TX40AC00-2412

TX40AC00-2412

TE Connectivity Aerospace Defense and Marine

CONN BACKSHELL ADPT SZ 25J SLVR

0

TX40SJ00-1608

TX40SJ00-1608

TE Connectivity Aerospace Defense and Marine

CONN BACKSHELL ADPT SZ 17E M25

0

BTH3-09-04-1-C-SE

BTH3-09-04-1-C-SE

TE Connectivity Aerospace Defense and Marine

BANDING BACKSHELL, 90 DEG

25

TXR21AB00-1816AI

TXR21AB00-1816AI

TE Connectivity Aerospace Defense and Marine

CONN BACKSHELL ADPT SZ 18 OLIVE

0

TXR40SJ90-2016BI

TXR40SJ90-2016BI

TE Connectivity Aerospace Defense and Marine

CONN BACKSHELL ADPT SZ 21G M31

0

TXR40AC90-0806AI

TXR40AC90-0806AI

TE Connectivity Aerospace Defense and Marine

CONN BACKSHELL ADPT SZ 9A SLVR

0

TXR40SC00-1007BI

TXR40SC00-1007BI

TE Connectivity Aerospace Defense and Marine

CONN BACKSHELL ADPT SZ 11B SLVR

0

TX40AB00-2420

TX40AB00-2420

TE Connectivity Aerospace Defense and Marine

CONN BACKSHELL ADPT SZ 25J OLIVE

0

TX40AB00-1005H

TX40AB00-1005H

TE Connectivity Aerospace Defense and Marine

CONN BACKSHELL ADPT SZ 11B OLIVE

0

TX54AB90-2208H

TX54AB90-2208H

TE Connectivity Aerospace Defense and Marine

CONN BACKSHELL ADPT SZ 22 OLIVE

0

TXR40AA00-2420AI

TXR40AA00-2420AI

TE Connectivity Aerospace Defense and Marine

CONN BACKSHELL ADPT SZ 25J OLIVE

0

TXR40AC00-1608AI

TXR40AC00-1608AI

TE Connectivity Aerospace Defense and Marine

CONN BACKSHELL ADPT SZ 17E SLVR

0

TXR54AC00-1612BI

TXR54AC00-1612BI

TE Connectivity Aerospace Defense and Marine

CONN BACKSHELL ADPT SZ16-19 SLVR

0

TX41AC00-1208

TX41AC00-1208

TE Connectivity Aerospace Defense and Marine

CONN BACKSHELL ADPT SZ12 13 SLVR

0

TXR40AB00-1810BI

TXR40AB00-1810BI

TE Connectivity Aerospace Defense and Marine

CONN BACKSHELL ADPT SZ 19F OLIVE

0

TXR40AC00-2206AI

TXR40AC00-2206AI

TE Connectivity Aerospace Defense and Marine

CONN BACKSHELL ADPT SZ 23H SLVR

0

TX40SJ90-2008

TX40SJ90-2008

TE Connectivity Aerospace Defense and Marine

CONN BACKSHELL ADPT SZ 21G M31

0

TXR40AB45-1604BI

TXR40AB45-1604BI

TE Connectivity Aerospace Defense and Marine

CONN BACKSHELL ADPT SZ 17E OLIVE

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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