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

Image Part Number Description / PDF Quantity Rfq
165X17459XE

165X17459XE

CONEC

CONN BACKSHELL 9POS 180DEG SHLD

0

600X51609X

600X51609X

CONEC

9POS HOOD METAL SIDE ENT M3

0

165X10999X

165X10999X

CONEC

CONN BACKSHELL 50POS 180DEG SHLD

0

165X15039X

165X15039X

CONEC

CONN BACKSHELL 25POS 180DEG SHLD

0

300X10219X

300X10219X

CONEC

CONN BACKSHELL 37POS 180DEG GRAY

0

165X14079X

165X14079X

CONEC

CONN BACKSHELL 37POS 180DEG SHLD

0

165X14889X

165X14889X

CONEC

CONN BACKSHELL 25POS 180DEG BLK

0

165X14549X

165X14549X

CONEC

50POS HOOD WITH M3 SHORT SCREW

0

165X10959XE

165X10959XE

CONEC

CONN BACKSHELL 9POS 180DEG SHLD

0

165X17619X

165X17619X

CONEC

CONN BACKSHELL 15POS 45DEG SHLD

0

165X11899X

165X11899X

CONEC

CONN BACKSHELL 37P 90/180DEG GRY

0

165X13199XE

165X13199XE

CONEC

CONN BACKSHELL 25POS 180DEG BLK

0

600X57050X

600X57050X

CONEC

50POS HOOD SIDE ENTRY MET.PLS

0

165X10529X

165X10529X

CONEC

CONN BACKSHELL 50P 45/180DEG BLK

0

300X11459X

300X11459X

CONEC

CONN BACKSHELL 15POS 180DEG SHLD

0

600X55015X

600X55015X

CONEC

50POS HOOD SIDE ENTRY BLACK

0

165X511269X

165X511269X

CONEC

CONN BACKSHELL 37POS 45/180DEG

0

165X13239X

165X13239X

CONEC

Position Connector

0

165X17469X

165X17469X

CONEC

CONN BACKSHELL 15POS 180DEG SHLD

0

165X11699XE

165X11699XE

CONEC

CONN BACKSHELL 50P 40/180DEG SHD

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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