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

Image Part Number Description / PDF Quantity Rfq
165X17649X

165X17649X

CONEC

CONN BACKSHELL 50POS 45DEG SHLD

0

165X14609X

165X14609X

CONEC

9 POS MET.HOOD TOP ENTRY

0

165X15329X

165X15329X

CONEC

CONN BACKSHELL 15POS 180DEG SHLD

0

165X11019X

165X11019X

CONEC

15 POS HOOD C/W 4-40 SCREWLOCK

0

165X10839X

165X10839X

CONEC

25 POS HOOD NEW TYPE 4-40 TAPP

0

300X11389X

300X11389X

CONEC

CONN BACKSHELL 25POS 180DEG BLK

0

165X15409X

165X15409X

CONEC

CONN BACKSHELL 50POS 180DEG SHLD

0

165X16539XE

165X16539XE

CONEC

CONN BACKSHELL 50P 45/180DEG BLK

0

300X11119X

300X11119X

CONEC

37 POS HOOD MET.PLS.FLAT CABLE

0

600X58015X

600X58015X

CONEC

15POS HOOD TOP ENTRY

0

165X13049X

165X13049X

CONEC

CONN BACKSHELL 37P 45/180DEG BLK

0

600X517050X

600X517050X

CONEC

50 POS M SHIELDED PLASTIC CAP

0

165X14899X

165X14899X

CONEC

CONN BACKSHELL 37POS 180DEG BLK

0

165X02729X

165X02729X

CONEC

CONN BACKSHELL 9P 45DEG SHLD SLV

0

165X17639X

165X17639X

CONEC

CONN BACKSHELL 37POS 45DEG SHLD

0

165X10489X

165X10489X

CONEC

CONN BACKSHELL 9P 45/180DEG BLK

0

600X55025X

600X55025X

CONEC

25POS HOOD BLACK SIDE ENTRY

0

300X10759X

300X10759X

CONEC

BACKSHELL GENDER CHANGER 9/25POS

0

165X17499X

165X17499X

CONEC

CONN BACKSHELL 50POS 180DEG SHLD

0

165X17589X

165X17589X

CONEC

37 POS HOOD DIE CAST SIDE ENT.

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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