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

Image Part Number Description / PDF Quantity Rfq
15-004670

15-004670

CONEC

CONN BACKSHELL 15POS 180DEG BLK

0

165X17359XE

165X17359XE

CONEC

CONN BACKSHELL 9POS 180DEG SHLD

0

165X11909X

165X11909X

CONEC

CONN BACKSHELL 50P 90/180DEG GRY

0

165X16479X

165X16479X

CONEC

25POS HOOD S.E METALLIZED PLST

0

165X15399X

165X15399X

CONEC

CONN BACKSHELL 37POS 180DEG SHLD

0

165X16759X

165X16759X

CONEC

50 POS F SCREEN CAPC/W SCREWS

0

600X54025X

600X54025X

CONEC

25POS HOOD SIDE ENTRY BLACK

0

165X15099X

165X15099X

CONEC

CONN BACKSHELL 37POS 180DEG SHLD

0

165X11639XE

165X11639XE

CONEC

CONN BACKSHELL 37P 45/180DEG SHD

0

165X511239X

165X511239X

CONEC

CONN BACKSHELL 9P 45/180DEG SHLD

0

165X11009XE

165X11009XE

CONEC

CONN BACKSHELL 9POS 180DEG SHLD

0

165X17129X

165X17129X

CONEC

25POS F WAT.RES SCREEN CAP JS

0

165X516549X

165X516549X

CONEC

CONN BACKSHELL 50POS 45/180DEG

0

165X16549XE

165X16549XE

CONEC

CONN BACKSHELL 50P 45/180DEG BLK

0

165X13429X

165X13429X

CONEC

15 POS HOOD

28

165X11359XE

165X11359XE

CONEC

CONN BACKSHELL 9P 45/180DEG SHLD

0

165X11669XE

165X11669XE

CONEC

CONN BACKSHELL 15P 40/180DEG SHD

0

165X17899XE

165X17899XE

CONEC

CONN BACKSHELL 3POS 180DEG GRAY

0

165X10969X

165X10969X

CONEC

CONN BACKSHELL 15POS 180DEG SHLD

0

600X57015X

600X57015X

CONEC

15 POS HOOD SIDE ENTRY MET.PLS

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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