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

Image Part Number Description / PDF Quantity Rfq
1731110366

1731110366

Woodhead - Molex

FCT HOOD S2 45 DEG MTL

0

1731110259

1731110259

Woodhead - Molex

FCT HOOD S2 -65/65 DEG MTL W/THR

0

1731110415

1731110415

Woodhead - Molex

FCT HOOD

0

1731110599

1731110599

Woodhead - Molex

FCT HOOD

0

1731110165

1731110165

Woodhead - Molex

FCT HOOD S1 0 DEG SHLD PLSTC W/T

0

1731110498

1731110498

Woodhead - Molex

FCT HOOD S4 0 DEG PLSTC W/THMBSC

0

1731110438

1731110438

Woodhead - Molex

FCT HOOD

0

1731110200

1731110200

Woodhead - Molex

FCT HOOD S2 -65/65 DEG MTL W/SCR

0

1731110123

1731110123

Woodhead - Molex

CONN BACKSHELL 15POS 180DEG BLK

0

1731110368

1731110368

Woodhead - Molex

FCT HOOD S3 45 DEG MTL

0

1731100248

1731100248

Woodhead - Molex

FCT HOOD S1 0 DEG SLD PLSTC

0

1731110500

1731110500

Woodhead - Molex

FCT HOOD S2 0 DEG MTL W/THMBSCRW

0

1731100087

1731100087

Woodhead - Molex

CONN BACKSHELL 50POS 180DEG BLK

0

1731140287

1731140287

Woodhead - Molex

FCT PLASTIC ADAPTER HOOD

0

1731110365

1731110365

Woodhead - Molex

FCT HOOD S1 0 DEG MTL W/THMBSCRW

0

1731110263

1731110263

Woodhead - Molex

FCT HOOD S2 45 DEG MTL

0

1731110125

1731110125

Woodhead - Molex

CONN BACKSHELL 37POS 180DEG BLK

0

1731140314

1731140314

Woodhead - Molex

FCT CONNECTOR HOOD KID

0

1731140373

1731140373

Woodhead - Molex

FCT CONNECTOR HOOD KIT

0

1731110164

1731110164

Woodhead - Molex

FCT HOOD S1 0 DEG SHLD PLSTC

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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