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

Image Part Number Description / PDF Quantity Rfq
ACOV-SUB-25MB20

ACOV-SUB-25MB20

ASSMANN WSW Components

CONN BACKSHELL 25P 45/180DEG SHD

71

1731110062

1731110062

Woodhead - Molex

CONN BACKSHELL 25POS 45DEG SHLD

517

5749191-1

5749191-1

TE Connectivity AMP Connectors

CONN BACKSHELL 28POS 180DEG SHLD

49

957-009-010R031

957-009-010R031

NorComp

BACKSHELL GENDER CHANGER 9/9POS

204

979-050-030R121

979-050-030R121

NorComp

CONN BACKSHELL 50POS 180DEG SHLD

958

61800925311

61800925311

Würth Elektronik Midcom

WR-DSUB PLASTIC HOOD TOP ENTRY 4

37

5748676-2

5748676-2

TE Connectivity AMP Connectors

CONN BACKSHELL 15POS 180DEG SHLD

2430

09670090434

09670090434

HARTING

CONN BACKSHELL 9P 75/180DEG BLK

9

1-2308346-1

1-2308346-1

TE Connectivity AMP Connectors

CONN BACKSHELL 50P 45/180DEG SHD

0

981-015-130R121

981-015-130R121

NorComp

CONN BACKSHELL 15POS 90DEG SHLD

697

09670090513

09670090513

HARTING

CONN BACKSHELL 9POS 90DEG SHLD

33

A-HOOD-25/44

A-HOOD-25/44

ASSMANN WSW Components

CONN BACKSHELL 25POS 180DEG BLK

0

993-009-010R031

993-009-010R031

NorComp

CONN BACKSHELL 9POS 45DEG GRAY

1277

165X11299X

165X11299X

CONEC

CONN BACKSHELL 25P 45/180DEG BLK

239

1689132

1689132

Phoenix Contact

CONN BACKSHELL 15POS 45DEG SHLD

2

09670250453

09670250453

HARTING

CONN BACKSHELL 25P 45/180DEG SHD

48

1731110217

1731110217

Woodhead - Molex

FCT HOOD S5 0 DEG MTL W/SCRWLCK

4450

8655MH1501BLF

8655MH1501BLF

Storage & Server IO (Amphenol ICC)

CONN BACKSHELL 15POS 180DEG SHLD

2833

09670150573

09670150573

HARTING

CONN BACKSHELL 15POS 45DEG SHLD

99

09670500453

09670500453

HARTING

Position Connector

38

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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