D-Sub, D-Shaped Connectors - Accessories

Image Part Number Description / PDF Quantity Rfq
L17D2041833X

L17D2041833X

Storage & Server IO (Amphenol ICC)

DSUB F SCREW LOCK ASSBLY

0

DA-15S-DC1

DA-15S-DC1

Hirose

D-SUB DUST COVER

0

1731120260

1731120260

Woodhead - Molex

D-SUB SLIDE LOCKS

0

09670029156

09670029156

HARTING

RUBBER BUSHING FOR SIZE 3 METAL

0

61030005165

61030005165

HARTING

CRIMP FLANGE FOR HOOD 50P 8,5 -

0

FX2BR-GPA(71)

FX2BR-GPA(71)

Hirose

TOOL CONNECTION GUIDE PLATE FX2

0

2-1393561-7

2-1393561-7

TE Connectivity Raychem Cable Protection

D-SUB ACCS

0

1731121300

1731121300

Woodhead - Molex

FCT ACCESSORY

0

0681540011

0681540011

Woodhead - Molex

OBD2 DUMMY PLUG ASSY

0

SD-LB-060-080

SD-LB-060-080

Vitelec / Cinch Connectivity Solutions

LATCHBLOCK

0

L17D20418M3EX

L17D20418M3EX

Storage & Server IO (Amphenol ICC)

DSUB F SCREW LOCK ASSBLY

0

L17D53018X

L17D53018X

Storage & Server IO (Amphenol ICC)

D SUB ACCESSORY

0

304-8810-000

304-8810-000

VEAM

D SUB

0

5745137-3

5745137-3

TE Connectivity AMP Connectors

FILLISTER HEAD SCREW ZN PLTD

0

DA121073-50

DA121073-50

VEAM

DSUB DA B/S MET PLA 50 DEGR

85

61030005063

61030005063

HARTING

CRIMP FLANGE FOR HOOD 50P 3,5 -

0

XM2T3701

XM2T3701

Omron Electronics Components

SCKT DUST CVR 37POS

0

DE115398

DE115398

VEAM

DSUB POLARIZE PLATE DE

32

1731121091

1731121091

Woodhead - Molex

FCT CABLE CLAMP 16.0X3.2 SI 1GEW

0

1731120986

1731120986

Woodhead - Molex

FCT REDUCTION PLATE

0

D-Sub, D-Shaped Connectors - Accessories

1. Overview

D-Subminiature (D-Sub) connectors are a family of electrical connectors characterized by a D-shaped metal shielding shell and multiple parallel contacts. They provide reliable signal and power transmission in demanding environments. These connectors remain critical in industrial automation, telecommunications, and legacy computer systems despite emerging alternatives. Their mechanical robustness and customizable configurations ensure continued relevance in specialized applications.

2. Main Types and Functional Classification

TypeKey FeaturesApplication Examples
DB-9 (DE-9)9 contacts, compact sizeRS-232 serial communication, PC COM ports
DB-15 (HD-15)15 contacts, high-densityVGA video interfaces, industrial sensors
DB-2525 contacts, parallel signalingOlder printer ports, industrial control systems
DB-3737 contacts, rugged designIndustrial instrumentation, military equipment

3. Structure and Components

Standard D-Sub connectors consist of: - Metal shell: Zinc or aluminum alloy housing with EMI shielding - Insulator: High-temperature thermoplastic (e.g., LCP, PBT) - Contacts: Phosphor bronze or beryllium copper with gold/tin plating - Mounting hardware: Threaded nuts or panel-mount flanges Variants include solder cup, PCB mount, and crimp termination options with optional environmental seals.

4. Key Technical Specifications

ParameterTypical RangeSignificance
Current Rating1-10A per contactDetermines power transmission capability
Voltage Rating50-600VEnsures dielectric insulation safety
Contact Resistance5-20m Impacts signal integrity
Insulation Resistance1000M minPrevents leakage currents
Operating Temp-55 C to +125 CDefines environmental tolerance

5. Application Fields

  • Computer Systems: Legacy serial/parallel ports, KVM switches
  • Industrial Automation: PLC interfaces, sensor/actuator connections
  • Telecommunications: Router/console ports, test equipment
  • Medical Devices: Diagnostic equipment data interfaces
  • Aerospace: Avionics control systems, ground support equipment

6. Leading Manufacturers and Products

ManufacturerKey ProductsSpecialization
TE ConnectivityDEUTSCH D-Sub seriesMilitary/aerospace grade connectors
Amphenol97-Series D-SubsHigh-density industrial connectors
MolexDuraCon D-SubCommercial/industrial applications
ITT CannonDelta-D-SubHarsh environment solutions

7. Selection Guidelines

Key selection factors: - Signal/power requirements (contact count, current/voltage needs) - Environmental conditions (temperature, vibration, moisture) - Mechanical constraints (panel space, mating cycles) - Shielding requirements (EMI/RFI protection level) - Termination method (solder, crimp, PCB mount) - Compliance standards (MIL-STD, RoHS, REACH) Example: Selecting DB-9 with gold contacts and IP67 rating for outdoor industrial control cabinets.

8. Industry Trends

Emerging trends include: - Miniaturization (e.g., micro D-Sub at 2.5mm pitch) - High-speed variants supporting USB 3.0+ signaling - Integration with fiber optic/hybrid contact designs - Adoption of lead-free plating processes - Modular designs enabling hot-swap functionality - Increased use in IoT edge devices for legacy system compatibility

RFQ BOM Call Skype Email
Top