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

Image Part Number Description / PDF Quantity Rfq
165X14119X

165X14119X

CONEC

CONN BACKSHELL 15POS 180DEG GRAY

0

165X14179X

165X14179X

CONEC

CONN BACKSHELL 25POS 180DEG GRAY

0

165X17189X

165X17189X

CONEC

37POS F WAT.RES SCREENCAP M3JS

0

15-004790B

15-004790B

CONEC

37POS LONG JACK SCREW UNC-4-40

0

165X02749X

165X02749X

CONEC

CONN BACKSHELL 25POS 45DEG SHLD

0

165X11939X

165X11939X

CONEC

CONN BACKSHELL 25P 90/180DEG SHD

0

165X11259X

165X11259X

CONEC

CONN BACKSHELL 25P 45/180DEG BLK

11

165X10459X

165X10459X

CONEC

CONN BACKSHELL 25POS 90DEG BLACK

0

600X51150X

600X51150X

CONEC

50POS HOOD FULL METAL FLUSH

0

165X14879X

165X14879X

CONEC

SHELL SIZE 2 HOOD WATER RES.

0

165X17489X

165X17489X

CONEC

CONN BACKSHELL 37POS 180DEG SHLD

0

165X14029X

165X14029X

CONEC

CONN BACKSHELL 25POS 180DEG GRAY

0

165X11569X

165X11569X

CONEC

CONN BACKSHELL 15P 40/180DEG SHD

0

165X17459X

165X17459X

CONEC

9POS HOOD DIE CAST TOP ENTRY

0

15-004850

15-004850

CONEC

CONN BACKSHELL 50POS 180DEG SHLD

0

165X14069X

165X14069X

CONEC

CONN BACKSHELL 25POS 180DEG SHLD

0

165X15079X

165X15079X

CONEC

CONN BACKSHELL 15POS 180DEG SHLD

0

165X10209XE

165X10209XE

CONEC

CONN BACKSHELL 25POS 180DEG BLK

0

165X11779X

165X11779X

CONEC

CONN BACKSHELL 25POS 45DEG SHLD

0

165X511259X

165X511259X

CONEC

CONN BACKSHELL 25POS 45/180DEG

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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