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

Image Part Number Description / PDF Quantity Rfq
300X11159X

300X11159X

CONEC

CONN BACKSHELL 37POS 180DEG SHLD

0

165X14159X

165X14159X

CONEC

CONN BACKSHELL 9POS 180DEG GRAY

0

165X17579X

165X17579X

CONEC

CONN BACKSHELL 25POS 45DEG SHLD

0

165X14529X

165X14529X

CONEC

CONN BACKSHELL 25POS 180DEG BLK

0

15-004840

15-004840

CONEC

CONN BACKSHELL 37POS 180DEG SHLD

0

165X11019XE

165X11019XE

CONEC

CONN BACKSHELL 15POS 180DEG SHLD

0

300X11339X

300X11339X

CONEC

CONN BACKSHELL 25POS 45DEG GRAY

0

165X17969X

165X17969X

CONEC

CONN BACKSHELL 2POS 180DEG GRAY

0

300X11209X

300X11209X

CONEC

CONN BACKSHELL 37POS 180DEG SHLD

0

165X11369X

165X11369X

CONEC

CONN BACKSHELL 15P 45/180DEG SHD

0

165X11619XE

165X11619XE

CONEC

CONN BACKSHELL 15P 90/180DEG SHD

0

165X17599X

165X17599X

CONEC

50 POS HOOD DIE CAST SIDE ENT.

0

165X13039X

165X13039X

CONEC

CONN BACKSHELL 25P 45/180DEG BLK

0

165X16409X

165X16409X

CONEC

CONN BACKSHELL 37POS 45DEG BLACK

0

165X14749X

165X14749X

CONEC

37POS F WATER RES.SHIELDED CAP

0

165X13109X

165X13109X

CONEC

CONN BACKSHELL 37P 45/180DEG BLK

0

165X10249X

165X10249X

CONEC

15 POS HOOD C/W 4-40 SCREWLOCK

0

165X14139X

165X14139X

CONEC

CONN BACKSHELL 37POS 180DEG GRAY

0

165X12949X

165X12949X

CONEC

CONN BACKSHELL 25POS 180DEG BLK

0

165X14619X

165X14619X

CONEC

CONN BACKSHELL 15POS 180DEG SHLD

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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