Circular Connectors - Backshells and Cable Clamps

Image Part Number Description / PDF Quantity Rfq
BTH3-11-06-1-B-SE

BTH3-11-06-1-B-SE

TE Connectivity Aerospace Defense and Marine

BANDING BACKSHELL, 90 DEG

25

97-3057-1007

97-3057-1007

Amphenol Industrial

CONN CABLE CLAMP SZ 12SL/14/14S

828

IP-UNCK13A

IP-UNCK13A

PEI-Genesis

UNIVERSAL C/13 BLK ANODIZED

0

TXR40AB00-1610AI

TXR40AB00-1610AI

TE Connectivity Aerospace Defense and Marine

CONN BACKSHELL ADPT SZ 17E OLIVE

25

TXR40AC00-1410AI

TXR40AC00-1410AI

TE Connectivity AMP Connectors

CONN BACKSHELL ADPT SZ 15D SLVR

6

M85049/52-1-8A

M85049/52-1-8A

CONN CABLE CLAMP SZ 8 BLK

85

A8504952128W

A8504952128W

Socapex (Amphenol Pcd)

CONN CABLE CLAMP SZ 28 OLIVE

13

JL04-2022CK(09)-R

JL04-2022CK(09)-R

JAE Electronics

CONN CABLE CLAMP SZ 20/22 BLACK

0

CL124051

CL124051

Souriau-Sunbank by Eaton

CONN BACKSHELL SZ 4 PG36 BLACK

0

TXR40AB90-0804AI2

TXR40AB90-0804AI2

TE Connectivity Aerospace Defense and Marine

CONN BACKSHELL ADPT SZ 9A OLIVE

0

IP-UNAK15W-PG16

IP-UNAK15W-PG16

PEI-Genesis

CG ADAPTER D/15 OD CAD PG16

34

M85049/38-13A

M85049/38-13A

CONN CABLE CLAMP SZ 13 C BLK

575

A850493921A

A850493921A

Socapex (Amphenol Pcd)

CONN CABLE CLAMP SZ 21 BLACK

9

M85049/52S10W

M85049/52S10W

Socapex (Amphenol Pcd)

CONN CABLE CLAMP SZ 10 OLIVE

88

IP-USAK15P-PG16

IP-USAK15P-PG16

PEI-Genesis

CG ADAPTER D/15 S STEEL PG16

43

A8504951S10W

A8504951S10W

Socapex (Amphenol Pcd)

CONN CABLE CLAMP SZ 10 OLIVE

0

TXR40AB90-1007AI

TXR40AB90-1007AI

TE Connectivity Aerospace Defense and Marine

CONN BACKSHELL ADPT SZ 11B OLIVE

13

A8504952S48A

A8504952S48A

Socapex (Amphenol Pcd)

CONN CABLE CLAMP SZ 48 BLACK

0

A8504952136A

A8504952136A

Socapex (Amphenol Pcd)

CONN CABLE CLAMP SZ 36 BLACK

92

A8504952132A

A8504952132A

Socapex (Amphenol Pcd)

CONN CABLE CLAMP SZ 32 BLACK

21

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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