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

Image Part Number Description / PDF Quantity Rfq
975T009-010R011

975T009-010R011

NorComp

CONN BACKSHELL 9P 90/180DEG BLK

91

863093C25MLF

863093C25MLF

Storage & Server IO (Amphenol ICC)

CONN BACKSHELL 25POS 90DEG SHLD

156

5745122-2

5745122-2

TE Connectivity AMP Connectors

CONN BACKSHELL 15POS 180DEG BLK

145

971-009-020R121

971-009-020R121

NorComp

CONN BACKSHELL 9P 45DEG SHLD SLV

90

ACOV-SUB-15MB10

ACOV-SUB-15MB10

ASSMANN WSW Components

CONN BACKSHELL 15POS 180DEG SHLD

143

A-FT 25

A-FT 25

ASSMANN WSW Components

CONN BACKSHELL 25POS 180DEG BLK

0

994-015-030R121

994-015-030R121

NorComp

CONN BACKSHELL 15POS 180DEG SHLD

132

165X13469X

165X13469X

CONEC

CONN BACKSHELL 9POS 180DEG SHLD

69

10336-3210-000

10336-3210-000

3M

CONN BACKSHELL 36POS 180DEG SHLD

170

09670090322

09670090322

HARTING

D SUB TOP ENTRY METAL HOOD 9 POL

0

1534809-1

1534809-1

TE Connectivity AMP Connectors

CONN BACKSHELL 25POS 45DEG SHLD

2177

8655MHRA5001LF

8655MHRA5001LF

Storage & Server IO (Amphenol ICC)

BACKSHELL DSUB

50

61800925322

61800925322

Würth Elektronik Midcom

WR-DSUB PLASTIC HOOD TOP ENTRY 4

61

FI-20-CV5(50)

FI-20-CV5(50)

Hirose

CONN BACKSHELL 20POS 180DEG GRAY

0

971-037-010R011

971-037-010R011

NorComp

CONN BACKSHELL 37POS 45DEG BLACK

1603

787133-1

787133-1

TE Connectivity AMP Connectors

CONN BACKSHLL 50P 180DEG 6PC KIT

0

66670090346

66670090346

HARTING

Position Connector

1039

983-037-020R121

983-037-020R121

NorComp

CONN BACKSHELL 37POS 180DEG SHLD

98

16-001840E

16-001840E

CONEC

CONN BACKSHELL 37P 90/180DEG BLK

17

5787543-3

5787543-3

TE Connectivity AMP Connectors

CONN BACKSHELL 40POS 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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