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

Image Part Number Description / PDF Quantity Rfq
2-1991253-5

2-1991253-5

TE Connectivity AMP Connectors

CONN BACKSHELL 25POS 180DEG BLK

351

165X17419X

165X17419X

CONEC

CONN BACKSHELL 15POS 180DEG SHLD

81

5206478-3

5206478-3

TE Connectivity AMP Connectors

CONN BACKSHELL 25P 45/180DEG BLK

231

MDM-BT-37TE-SJS-CAD

MDM-BT-37TE-SJS-CAD

VEAM

CONN BACKSHELL 37POS 180DEG SHLD

0

AGP 25 G

AGP 25 G

ASSMANN WSW Components

CONN BACKSHELL 25POS 180DEG GRAY

27

09670370434

09670370434

HARTING

CONN BACKSHELL 37POS 45DEG BLACK

3

165X10939X

165X10939X

CONEC

37 POS HOOD C/W 4-40 JACKSCREW

37

5749916-2

5749916-2

TE Connectivity AMP Connectors

CONN BACKSHELL 37POS 120/180DEG

115

165X13239XE

165X13239XE

CONEC

CONN BACKSHELL 25P 90/180DEG BLK

15

ACOV-SUB-25MB29

ACOV-SUB-25MB29

ASSMANN WSW Components

CONN BACKSHELL 25POS 45DEG SHLD

87

ACOV-SUB-15MB20

ACOV-SUB-15MB20

ASSMANN WSW Components

CONN BACKSHELL 15P 45/180DEG SHD

95

FI-2015-CVS(50)

FI-2015-CVS(50)

Hirose

CONN BACKSHELL 15POS 90DEG GRAY

24

973-009-010R011

973-009-010R011

NorComp

CONN BACKSHELL 9POS 180DEG BLACK

2381

10320-52F0-008

10320-52F0-008

3M

CONN BACKSHELL 20POS 180DEG BLK

111

1-2308341-8

1-2308341-8

TE Connectivity AMP Connectors

CONN BACKSHELL 15POS 135DEG SHLD

50

61030010013

61030010013

HARTING

Position Connector

9

207467-2

207467-2

TE Connectivity AMP Connectors

CONN BACKSHELL 9P 90/180DEG BLK

0

A97002-513

A97002-513

Omnetics

MICRO-D 51POS BACKSHELL KIT R/A

7

1731110185

1731110185

Woodhead - Molex

FCT HOOD S2 0 DEG MTL W/SCRWLCK

483

L17DTZK09KFMT

L17DTZK09KFMT

Storage & Server IO (Amphenol ICC)

CONN BACKSHELL 9POS 180DEG SILV

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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