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

Image Part Number Description / PDF Quantity Rfq
1689792

1689792

Phoenix Contact

CONN BACKSHELL 25POS 45DEG GRAY

195

1652198

1652198

Phoenix Contact

CONN BACKSHELL 25POS 45DEG GRAY

0

1688052

1688052

Phoenix Contact

CONN BACKSHELL 15POS 45DEG GRAY

35

1689158

1689158

Phoenix Contact

CONN BACKSHELL 9P 45DEG SHLD GRY

3

2749563

2749563

Phoenix Contact

15POS DSUB HOUSING W/HARDWARE

20

1689129

1689129

Phoenix Contact

CONN BACKSHELL 15POS 45DEG GRAY

26

1652208

1652208

Phoenix Contact

CONN BACKSHELL 25POS 45DEG SHLD

0

1419710

1419710

Phoenix Contact

Position Connector

19

1689132

1689132

Phoenix Contact

CONN BACKSHELL 15POS 45DEG SHLD

2

1689145

1689145

Phoenix Contact

CONN BACKSHELL 9POS 45DEG GRAY

28

1688353

1688353

Phoenix Contact

CONN BACKSHELL 9POS 45DEG GRAY

25

2749550

2749550

Phoenix Contact

9POS DSUB HOUSING W/HARDWARE

189362

1419727

1419727

Phoenix Contact

Position Connector

0

1419721

1419721

Phoenix Contact

Position Connector

0

1419719

1419719

Phoenix Contact

Position Connector

0

1419706

1419706

Phoenix Contact

Position Connector

0

1419718

1419718

Phoenix Contact

Position Connector

0

1419705

1419705

Phoenix Contact

Position Connector

0

1655674

1655674

Phoenix Contact

CONN BACKSHELL 15POS 180DEG SHLD

0

1655700

1655700

Phoenix Contact

CONN BACKSHELL 25POS 45DEG 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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