Circular Connectors - Backshells and Cable Clamps

Image Part Number Description / PDF Quantity Rfq
TXR40AB00-2218AI

TXR40AB00-2218AI

TE Connectivity Aerospace Defense and Marine

CONN BACKSHELL ADPT SZ 23H OLIVE

0

TXR40AB90-1204AI

TXR40AB90-1204AI

TE Connectivity Aerospace Defense and Marine

CONN BACKSHELL ADPT SZ 13C OLIVE

0

R85049/88-19N02

R85049/88-19N02

TE Connectivity Aerospace Defense and Marine

CONN BACKSHELL BANDING SZ 19 F

22

TXR40AB90-1005AI

TXR40AB90-1005AI

TE Connectivity Aerospace Defense and Marine

CONN BACKSHELL ADPT SZ 11B OLIVE

0

209M410-19B

209M410-19B

TE Connectivity Aerospace Defense and Marine

CONN BACKSHELL ADPT SZ 11B OLIVE

156

TXR41AB00-1206BI

TXR41AB00-1206BI

TE Connectivity Aerospace Defense and Marine

CONN BACKSHELL ADPT SZ12 13 OLIV

0

R85049/88-11N03

R85049/88-11N03

TE Connectivity Aerospace Defense and Marine

CONN BACKSHELL BANDING SZ 11 B

6

R85049/88-21W03

R85049/88-21W03

TE Connectivity Aerospace Defense and Marine

CONN BACKSHELL BANDING SZ 21 G

7

TXR40AB90-1410AI

TXR40AB90-1410AI

TE Connectivity Aerospace Defense and Marine

CONN BACKSHELL ADPT SZ 15D OLIVE

19

TXR40AB00-1408AI

TXR40AB00-1408AI

TE Connectivity Aerospace Defense and Marine

CONN BACKSHELL ADPT SZ 15D OLIVE

35

TXR54AB00-1406AI

TXR54AB00-1406AI

TE Connectivity Aerospace Defense and Marine

CONN BACKSHELL ADPT SZ 12-14S

0

TXR40AB00-2216AI

TXR40AB00-2216AI

TE Connectivity Aerospace Defense and Marine

CONN BACKSHELL ADPT SZ 23H OLIVE

0

R85049/88-25Z03

R85049/88-25Z03

TE Connectivity Aerospace Defense and Marine

CONN BACKSHELL BAND SZ 25 J BLK

41

TXR40AB00-1608AI

TXR40AB00-1608AI

TE Connectivity Aerospace Defense and Marine

CONN BACKSHELL ADPT SZ 17E OLIVE

39

TXR41AB00-1210BI

TXR41AB00-1210BI

TE Connectivity Aerospace Defense and Marine

CONN BACKSHELL ADPT SZ12 13 OLIV

0

R85049/88-23N03

R85049/88-23N03

TE Connectivity Aerospace Defense and Marine

CONN BACKSHELL BANDING SZ 23 H

0

TXR40AB00-2016AI

TXR40AB00-2016AI

TE Connectivity Aerospace Defense and Marine

CONN BACKSHELL ADPT SZ 21G OLIVE

13

R85049/88-13W03

R85049/88-13W03

TE Connectivity Aerospace Defense and Marine

CONN BACKSHELL BANDING SZ 13 C

0

TXR40AB00-0805AI

TXR40AB00-0805AI

TE Connectivity Aerospace Defense and Marine

CONN BACKSHELL ADPT SZ 9A OLIVE

13

R85049/88-13N03

R85049/88-13N03

TE Connectivity Aerospace Defense and Marine

CONN BACKSHELL BANDING SZ 13 C

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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