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

Image Part Number Description / PDF Quantity Rfq
1731140621

1731140621

Woodhead - Molex

FCT CONNECTOR HOOD KIT

0

1731110108

1731110108

Woodhead - Molex

CONN BACKSHELL 15POS 70DEG SHLD

0

1731110068

1731110068

Woodhead - Molex

CONN BACKSHELL 25POS 45DEG SHLD

0

1731110361

1731110361

Woodhead - Molex

FCT HOOD S1 0 DEG SHLD PLSTC W/S

0

1731100241

1731100241

Woodhead - Molex

FCT HOOD S3 0 DEG SLD W/SCRWLCK

0

1731110459

1731110459

Woodhead - Molex

FCT HOOD

0

1727040183

1727040183

Woodhead - Molex

CONN BACKSHELL 15POS 180DEG SHLD

72

1731110148

1731110148

Woodhead - Molex

CONN BACKSHELL 15POS 180DEG BLK

0

1731110484

1731110484

Woodhead - Molex

FCT HOOD S1 45 DEG MTL W/SCREWLC

0

1731110450

1731110450

Woodhead - Molex

FCT HOOD

0

1731110197

1731110197

Woodhead - Molex

FCT HOOD S1 0 DEG MTL W/SCRWLCK

0

1731110287

1731110287

Woodhead - Molex

FCT HOOD S5 70 DEG SHLD PLSTC W/

100

1731110543

1731110543

Woodhead - Molex

FCT HOOD S1 45 DEG MTL W/THMBSCR

0

1731110631

1731110631

Woodhead - Molex

FCT HOOD

0

1731110152

1731110152

Woodhead - Molex

CONN BACKSHELL 9POS 180DEG SHLD

0

1727040179

1727040179

Woodhead - Molex

CONN BACKSHELL 50POS 70DEG SHLD

100

1731110224

1731110224

Woodhead - Molex

FCT HOOD S2 0/90 DEG SHLD PLSTC

0

1731110246

1731110246

Woodhead - Molex

FCT HOOD S3 0 DEG MTL

0

1731110379

1731110379

Woodhead - Molex

FCT HOOD S5 0 DEG SLHD PLSTC

0

1731110328

1731110328

Woodhead - Molex

FCT HOOD S2 70 DEG PLSTC W/SCRWL

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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