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

Image Part Number Description / PDF Quantity Rfq
165X17209X

165X17209X

CONEC

9POS M WAT.RES SCREEN CAP JS

0

165X11329X

165X11329X

CONEC

CONN BACKSHELL 15P 45/180DEG SHD

0

165X11049X

165X11049X

CONEC

CONN BACKSHELL 50POS 180DEG SHLD

0

165X10959X

165X10959X

CONEC

CONN BACKSHELL 9POS 180DEG SHLD

0

300X11399X

300X11399X

CONEC

CONN BACKSHELL 37POS 180DEG BLK

0

165X17409XE

165X17409XE

CONEC

CONN BACKSHELL 9POS 180DEG SHLD

0

600X58009X

600X58009X

CONEC

9POS HOOD UL94VO 18MM SCR

0

600X56037X

600X56037X

CONEC

37POS HOOD METALLIZED 18MMSCR

0

165X02659X

165X02659X

CONEC

CONN BACKSHELL 15POS 180DEG SHLD

0

165X18169X

165X18169X

CONEC

HOOD FOR 3W3 FOR AWG 6 WIRE

48

165X10199X

165X10199X

CONEC

CONN BACKSHELL 15POS 180DEG BLK

0

165X10399X

165X10399X

CONEC

CONN BACKSHELL 15POS 180DEG BLK

0

300X10169X

300X10169X

CONEC

CONN BACKSHELL 9POS 180DEG GRAY

0

165X13439X

165X13439X

CONEC

25 POS HOOD

0

165X17139X

165X17139X

CONEC

37POS F WAT.RES SCREEN CAP JS

0

165X17439X

165X17439X

CONEC

CONN BACKSHELL 37POS 180DEG SHLD

0

165X14849X

165X14849X

CONEC

37 POS WATER RES HOOD LONG SCR

37

165X14129X

165X14129X

CONEC

CONN BACKSHELL 25POS 180DEG GRAY

0

165X12919X

165X12919X

CONEC

CONN BACKSHELL 25P 90/180DEG BLK

0

165X15069X

165X15069X

CONEC

CONN BACKSHELL 9POS 180DEG 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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