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

Image Part Number Description / PDF Quantity Rfq
165X11339X

165X11339X

CONEC

CONN BACKSHELL 25P 45/180DEG SHD

0

165X10499X

165X10499X

CONEC

CONN BACKSHELL 15P 45/180DEG BLK

0

165X13529X

165X13529X

CONEC

15POS MET.HOOD 70 D.ENTRY

0

165X15049X

165X15049X

CONEC

37 POS WATER RES HOOD MET.PLST

0

600X56025X

600X56025X

CONEC

25 POS HOOD METALLIZED 18MMSCR

0

165X12939X

165X12939X

CONEC

CONN BACKSHELL 25P 45/180DEG BLK

0

165X17969XE

165X17969XE

CONEC

CONN BACKSHELL 2POS 180DEG GRAY

0

165X15029X

165X15029X

CONEC

15 POS WATR RES HOOD MET.PLST

0

165X10989X

165X10989X

CONEC

CONN BACKSHELL 37POS 180DEG SHLD

0

165X10469X

165X10469X

CONEC

CONN BACKSHELL 37POS 90DEG BLACK

0

165X17609X

165X17609X

CONEC

9POS HOOD DIE CAST SIDE ENTRY

0

300X11359X

300X11359X

CONEC

CONN BACKSHELL 25POS 45DEG SHLD

0

165X14109X

165X14109X

CONEC

CONN BACKSHELL 9POS 180DEG GRAY

0

600X56050X

600X56050X

CONEC

50POS HOOD METALLIZED 18MMSCR

0

165X17169X

165X17169X

CONEC

15POS F WAT.RES SCREENCAP M3JS

0

165X11799X

165X11799X

CONEC

CONN BACKSHELL 50POS 180DEG SHLD

0

165X13059X

165X13059X

CONEC

CONN BACKSHELL 50P 45/180DEG BLK

0

15-004800

15-004800

CONEC

CONN BACKSHELL 50POS 180DEG SHLD

0

600X51225X

600X51225X

CONEC

25POS DIE CAST HOOD JACKSCREW

0

165X11309X

165X11309X

CONEC

37 POS HOOD C/W SLIDE LOCK

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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