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

Image Part Number Description / PDF Quantity Rfq
1731110473

1731110473

Woodhead - Molex

FCT HOOD

0

1731110770

1731110770

Woodhead - Molex

FCT HOOD

0

1731110478

1731110478

Woodhead - Molex

FCT HOOD S3 0 DEG MTL W/THRD

0

1731110736

1731110736

Woodhead - Molex

FCT HOOD

0

1731140391

1731140391

Woodhead - Molex

D-SUB WATERPROOFED PLASTIC BACKS

0

1731110789

1731110789

Woodhead - Molex

FCT HOOD

0

1731110441

1731110441

Woodhead - Molex

FCT HOOD

0

1731121664

1731121664

Woodhead - Molex

FCT HOOD

0

0737963001

0737963001

Woodhead - Molex

CONN BACKSHELL 68POS 180DEG SHLD

0

0712452000

0712452000

Woodhead - Molex

CONN BACKSHELL 60POS 180DEG SILV

0

1731110544

1731110544

Woodhead - Molex

FCT HOOD S1 45 DEG MTL

0

1731110121

1731110121

Woodhead - Molex

CONN BACKSHELL 50POS 70DEG BLACK

0

1731110304

1731110304

Woodhead - Molex

FCT HOOD S1 0 DEG MTL W/THRD

0

1731110351

1731110351

Woodhead - Molex

FCT HOOD S1 0 DEG MTL W/SCRWLCK

0

1731110591

1731110591

Woodhead - Molex

FCT HOOD

0

1731110107

1731110107

Woodhead - Molex

CONN BACKSHELL 9P 70DEG SHLD BLK

0

1731110353

1731110353

Woodhead - Molex

FCT HOOD S1 0 DEG MTL

0

1731110414

1731110414

Woodhead - Molex

FCT HOOD

0

1731110464

1731110464

Woodhead - Molex

FCT HOOD

0

1731110444

1731110444

Woodhead - Molex

FCT HOOD

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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