D-Sub, D-Shaped Connectors - Backshells, Hoods

Image Part Number Description / PDF Quantity Rfq
1731100083

1731100083

Woodhead - Molex

CONN BACKSHELL 37POS 180DEG BLK

0

1731110594

1731110594

Woodhead - Molex

FCT HOOD

0

1731110405

1731110405

Woodhead - Molex

FCT HOOD S1 80 DEG MTL W/SCRWLCK

0

1731110314

1731110314

Woodhead - Molex

CONN BACKSHELL 15P 19.5DEG SHLD

0

1731140595

1731140595

Woodhead - Molex

FCT CONNECTOR HOOD KIT

0

1731110619

1731110619

Woodhead - Molex

FCT HOOD

0

1731110219

1731110219

Woodhead - Molex

FCT HOOD S4 0 DEG PLSTC W/SCRWLC

100300

1731110180

1731110180

Woodhead - Molex

FCT HOOD S1 45 DEG MTL

0

1731100081

1731100081

Woodhead - Molex

CONN BACKSHELL 15POS 180DEG BLK

0

1731140569

1731140569

Woodhead - Molex

FCT CONNECTOR HOOD KIT

0

1731110721

1731110721

Woodhead - Molex

FCT HOOD

0

0543062619

0543062619

Woodhead - Molex

127 IO PLG SUB HSGASSY SOLDERTYP

0

0751153028

0751153028

Woodhead - Molex

CONN BACKSHELL 28POS 180DEG SHLD

0

1731140327

1731140327

Woodhead - Molex

FCT HOOD CONNECTOR KIT

0

1731110258

1731110258

Woodhead - Molex

FCT HOOD S2 90 DEG PLSTC

0

1731110230

1731110230

Woodhead - Molex

FCT HOOD S4 0/90 DEG SHLD PLSTC

0

1731110633

1731110633

Woodhead - Molex

FCT HOOD

0

1731110372

1731110372

Woodhead - Molex

FCT HOOD S4 0 DEG PLSTC

0

1731140389

1731140389

Woodhead - Molex

D-SUB WATERPROOFED PLASTIC BACKS

0

1731110133

1731110133

Woodhead - Molex

CONN BACKSHELL 15POS 180DEG SHLD

0

D-Sub, D-Shaped Connectors - Backshells, Hoods

1. Overview

D-Subminiature (D-Sub) connectors are electrical connectors with a D-shaped metal shell, providing reliable signal transmission and mechanical protection. Backshells and hoods are critical components that secure cable connections, provide strain relief, and protect against electromagnetic interference (EMI) and environmental factors. These components are essential in industrial, telecommunications, and medical applications where signal integrity and durability are paramount.

2. Main Types and Functional Classification

TypeFunctional FeaturesApplication Examples
Standard BackshellsBasic strain relief and EMI shieldingIndustrial control systems
Panel-Mount BackshellsSecure connectors to panels or enclosuresTelecom rack equipment
EMI/RFI Shielded HoodsEnhanced shielding for high-frequency signalsMilitary communication devices
Cable Clamp BackshellsIntegrated cable clamping mechanismsFactory automation machinery
Weatherproof HoodsIP67-rated protection against moisture/dustOutdoor surveillance systems

3. Structure and Components

Typical backshells/hoods consist of: - Metal Shell: Aluminum or steel for EMI shielding and durability - Locking Mechanism: Screws, threaded couplings, or bayonet locks - Cable Entry: Threaded ports or clamping systems - Sealing Glands: Rubber gaskets for environmental protection - Mounting Features: Flanges or panel cutouts for secure installation

4. Key Technical Specifications

ParameterImportance
Shielding Effectiveness (100kHz-10GHz): 60-100dBMaintains signal integrity in high-noise environments
IP Rating (IP65-IP68)Determines protection against dust/water ingress
Operating Temperature: -55 C to +125 CEnsures reliability in extreme conditions
Vibration Resistance: 10-2000Hz, 10GPrevents disconnection in dynamic environments
Material Corrosion ResistanceExtends lifespan in industrial/chemical environments

5. Application Fields

  • Industrial Automation: PLCs, CNC machines, factory sensors
  • Telecommunications: Routers, base stations, fiber optic equipment
  • Medical Equipment: Imaging systems, patient monitors
  • Aerospace: Avionics, flight control systems
  • Railway: Signaling systems, onboard diagnostics

6. Leading Manufacturers and Products

ManufacturerRepresentative ProductKey Features
TE ConnectivityD-Sub Backshell 1-1417087-0EMI shielding, IP67 rated
Amphenol97-3107 SeriesPanel-mount with threaded coupling
Molex1055 SeriesIntegrated cable clamp, RoHS compliant
ITT CannonCDM BackshellMilitary-grade environmental protection

7. Selection Recommendations

Key considerations include: - Installation Type: Panel-mount vs. inline cable configurations - Environmental Demands: Temperature extremes, chemical exposure - Shielding Requirements: EMI levels in industrial vs. commercial settings - Mechanical Stress: Vibration levels in transportation applications - Compliance Standards: MIL-STD-810, IEC 60529 certifications

8. Industry Trends

Current development directions include: - Miniaturization while maintaining shielding performance - Integrated hybrid connectors for power/data transmission - Advanced materials (e.g., conductive polymers) for weight reduction - Smart backshells with built-in condition monitoring sensors - Increased adoption of IP67+ rated hoods in IoT edge devices

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