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

Image Part Number Description / PDF Quantity Rfq
1731110303

1731110303

Woodhead - Molex

FCT HOOD S1 0 DEG MTL

0

1731110428

1731110428

Woodhead - Molex

FCT HOOD

0

1731110426

1731110426

Woodhead - Molex

FCT HOOD

0

1731110075

1731110075

Woodhead - Molex

CONN BACKSHELL 50POS 180DEG SHLD

0

0543310361

0543310361

Woodhead - Molex

127 IO CABLE HSG ASSY 36CKT

0

1731121634

1731121634

Woodhead - Molex

FCT HOOD

0

1731110103

1731110103

Woodhead - Molex

CONN BACKSHELL 15POS 180DEG BLK

0

1731110495

1731110495

Woodhead - Molex

FCT HOOD S1 0 DEG PLSTC W/THMBSC

0

1731110309

1731110309

Woodhead - Molex

FCT HOOD S1 0 DEG MTL W/SCRWLCK

0

1731110126

1731110126

Woodhead - Molex

CONN BACKSHELL 50POS 180DEG BLK

0

1731110514

1731110514

Woodhead - Molex

FCT HOOD S2 0 DEG MTL W/THRD

0

1731110131

1731110131

Woodhead - Molex

CONN BACKSHELL 50POS 70DEG SHLD

0

1731110759

1731110759

Woodhead - Molex

FCT HOOD

0

1731110288

1731110288

Woodhead - Molex

FCT HOOD S1 0 DEG MTL

0

1731110496

1731110496

Woodhead - Molex

FCT HOOD S2 0 DEG PLSTC W/THMBSC

0

1731140329

1731140329

Woodhead - Molex

FCT HOOD CONNECTOR KIT

0

0737963002

0737963002

Woodhead - Molex

CONN BACKSHELL 68POS 180DEG SHLD

0

1731140646

1731140646

Woodhead - Molex

FCT CONNECTOR HOOD KIT

0

1731110639

1731110639

Woodhead - Molex

FCT HOOD

0

1731110504

1731110504

Woodhead - Molex

FCT HOOD S1 0 DEG PLSTC W/SCRWLC

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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