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

Image Part Number Description / PDF Quantity Rfq
09670250446

09670250446

HARTING

D SUB TOP ENTRY PLASTIC METALLIZ

0

09670250437

09670250437

HARTING

Position Connector

0

09670150430

09670150430

HARTING

CONN BACKSHELL 15P 45/180DEG BLK

0

09670500446

09670500446

HARTING

D SUB TOP ENTRY PLASTIC METALLIZ

0

09670370446

09670370446

HARTING

D SUB TOP ENTRY PLASTIC METALLIZ

0

09670090320

09670090320

HARTING

D-SUB 9-POLES METAL HOOD TOP ENT

0

09670500423

09670500423

HARTING

D-SUB 50PIN METALLIZED HOOD, TOP

0

09670150416

09670150416

HARTING

D SUB IP 67 PLASTIC CAP 15 P_M3

0

60030500153

60030500153

HARTING

HMIK PLAPC-HOOD P/S 50P LATCH

0

09670250464

09670250464

HARTING

25P THERRMOPLASTIC METALLIZED HO

0

09670150465

09670150465

HARTING

15PTHERMOPLASTIC METALLIZED HOOD

0

61030011018

61030011018

HARTING

Position Connector

0

09670250339

09670250339

HARTING

D SUB SIDE ENTRY METAL HOOD 25 P

0

09670090427

09670090427

HARTING

9P THERMOPLASTIC METALLIZED HOOD

0

09670150464

09670150464

HARTING

15P THERRMOPLASTIC METALLIZED HO

0

09670500438

09670500438

HARTING

Position Connector

0

09670250354

09670250354

HARTING

D SUB DOUBLE TOP ENTRY 25 P META

0

09670250423

09670250423

HARTING

D SUB PLASTIC METALLIZED HOOD 25

0

09670150431

09670150431

HARTING

THERMOPLASTIC METALLIZED HOOD TO

0

09670090340

09670090340

HARTING

D SUB TOP ENTRY METAL HOOD 9 POL

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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