Circular Connectors - Backshells and Cable Clamps

Image Part Number Description / PDF Quantity Rfq
UT010JCL

UT010JCL

Souriau-Sunbank by Eaton

CONN BACKSHELL W/CLAMP SZ 10 PG9

0

CIRBP22ECHSA

CIRBP22ECHSA

TE Connectivity AMP Connectors

CONN BACKSHELL ADPT SZ22 BLK

17

M85049/69-13A

M85049/69-13A

Socapex (Amphenol Pcd)

CONN BACKSHELL SHRINK BOOT SZ 13

0

IP-UNCC18N

IP-UNCC18N

PEI-Genesis

UNIVERSAL 18 ELECTRO NICKEL

732

MBG12S-1

MBG12S-1

Souriau-Sunbank by Eaton

CONN BACKSHELL W/CLAMP BLACK

33

A850493915A

A850493915A

Socapex (Amphenol Pcd)

CONN CABLE CLAMP SZ 15 BLACK

23

R85049/88-19W02

R85049/88-19W02

TE Connectivity Aerospace Defense and Marine

CONN BACKSHELL BANDING SZ 19 F

70

M85049/38-23N

M85049/38-23N

CONN CABLE CLAMP SZ 23 H SLVR

174

M85049/52-1-32W

M85049/52-1-32W

CONN CABLE CLAMP SZ 32 OLIVE

0

M85049/38-9W

M85049/38-9W

Socapex (Amphenol Pcd)

CONN CABLE CLAMP SZ 9 OLIVE

270

UT018JCL

UT018JCL

Souriau-Sunbank by Eaton

CONN BACKSHELL W/CLAMP SZ18 PG16

15

R85049/88-9W03

R85049/88-9W03

TE Connectivity Aerospace Defense and Marine

CONN BACKSHELL BANDING SZ 9 A

2

A8504938S23W

A8504938S23W

Socapex (Amphenol Pcd)

CONN CABLE CLAMP SZ 23 OLIVE

4

ACT00MB-G-EL00N

ACT00MB-G-EL00N

TE Connectivity DEUTSCH Connectors

S RELIEF STR

30

A8504952S28A

A8504952S28A

Socapex (Amphenol Pcd)

CONN CABLE CLAMP SZ 28 BLACK

49

182930-1

182930-1

TE Connectivity AMP Connectors

CONN BACKSHELL W/CLAMP SZ 23 BLK

89

TXR40AB00-0806AI

TXR40AB00-0806AI

TE Connectivity Aerospace Defense and Marine

CONN BACKSHELL ADPT SZ 9A OLIVE

8

M85049/49-2-24N

M85049/49-2-24N

Socapex (Amphenol Pcd)

CONN CABLE CLAMP SZ 24/25 SILVER

0

TXR40AB00-1004AI

TXR40AB00-1004AI

TE Connectivity Aerospace Defense and Marine

CONN BACKSHELL ADPT SZ 11B OLIVE

39

IP-UNCC20W

IP-UNCC20W

PEI-Genesis

UNIVERSAL 20 OLIVE DRAB CAD

8

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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