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

Image Part Number Description / PDF Quantity Rfq
L171374

L171374

Storage & Server IO (Amphenol ICC)

D SUB HOOD- 50 SIZE

0

L17DPPK15TM

L17DPPK15TM

Storage & Server IO (Amphenol ICC)

D SUB BACKSHELL

0

L17DTZK25KFM

L17DTZK25KFM

Storage & Server IO (Amphenol ICC)

D SUB BACKSHELL

0

86303927ALF

86303927ALF

Storage & Server IO (Amphenol ICC)

CONN POTTING SHELL 25P 90DEG BLK

0

86303644BLF

86303644BLF

Storage & Server IO (Amphenol ICC)

DSUB ACCY

0

86303925ALF

86303925ALF

Storage & Server IO (Amphenol ICC)

CONN POTTING SHELL 9P 90DEG BLK

0

8655MHRA3701KCLF

8655MHRA3701KCLF

Storage & Server IO (Amphenol ICC)

BACKSHELL DSUB

0

L17DPPK25JS

L17DPPK25JS

Storage & Server IO (Amphenol ICC)

D SUB BACKSHELL

0

8655MH1502BLF

8655MH1502BLF

Storage & Server IO (Amphenol ICC)

DSUB METAL HOOD 15

0

L17DTZK09KFM

L17DTZK09KFM

Storage & Server IO (Amphenol ICC)

CONN BACKSHELL 9POS 180DEG SHLD

0

8630CH37M3LF

8630CH37M3LF

Storage & Server IO (Amphenol ICC)

CNR ACC PLASTIC

0

8655MHRA0911KCLF

8655MHRA0911KCLF

Storage & Server IO (Amphenol ICC)

BACKSHELL DSUB

0

863021BLF

863021BLF

Storage & Server IO (Amphenol ICC)

CONN POTTING SHELL 15POS 180DEG

0

86303922ALF

86303922ALF

Storage & Server IO (Amphenol ICC)

CONN POTTING SHELL 25POS 180DEG

0

8655ZH0911SLLF

8655ZH0911SLLF

Storage & Server IO (Amphenol ICC)

METTALIZED HOOD-09 POSN

0

863013A

863013A

Storage & Server IO (Amphenol ICC)

CONN BACKSHELL 37POS 180DEG SHLD

0

L17DPPK37JS

L17DPPK37JS

Storage & Server IO (Amphenol ICC)

D SUB BACKSHELL

0

8655MH2502BLF

8655MH2502BLF

Storage & Server IO (Amphenol ICC)

DSUB METAL HOOD 25

0

863093C50MLF

863093C50MLF

Storage & Server IO (Amphenol ICC)

DSUB PLASTIC HOOD 93C 50

58

8655MHRA5002KLF

8655MHRA5002KLF

Storage & Server IO (Amphenol ICC)

BACKSHELL DSUB

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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