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

Image Part Number Description / PDF Quantity Rfq
09670090824

09670090824

HARTING

D SUB SHIELDED RA ADAPTER REV. 9

0

60130360146110

60130360146110

HARTING

HMIK PLAPC-HOOD BEL SCREWS 36PBL

0

60130140146110

60130140146110

HARTING

HMIK PLAPC-HOOD BEL SCREWS 14P B

0

60030200555580

60030200555580

HARTING

HMIK METAL-HOOD LATCH 20P RACE B

0

60030500255

60030500255

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HMIK METAL-HOOD LATCH 50P LCE

0

60130200153

60130200153

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PLASTIC HOOD(INTERNAL SCREEN)20P

0

60030500555580

60030500555580

HARTING

HMIK METAL-HOOD LATCH 50P RACE B

0

60030680655

60030680655

HARTING

HMIK METAL-HOOD LATCH 68P RACE W

0

60030680145

60030680145

HARTING

HMIK 68P HOOD WITH JACK SCREWS U

0

60030260555

60030260555

HARTING

HMIK METAL-HOOD LATCH 26P RACE

0

60130360146351

60130360146351

HARTING

HMIK PLAPC-HOOD BEL SCREWS 36P

0

61030010118

61030010118

HARTING

D-SUB 37PIN INDUCOM METAL HOOD,

0

60130260153580

60130260153580

HARTING

H TEMP PLAPC-HOOD BEL 26P WIS BU

0

60130260153351

60130260153351

HARTING

CONN BACKSHELL 26POS 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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