D-Sub, D-Shaped Connectors - Accessories

Image Part Number Description / PDF Quantity Rfq
09670029001

09670029001

HARTING

D SUB IP 67_ 9 POLE FRONT SEAL

95

DB537502

DB537502

VEAM

DSUB DB INTERFACIAL SEAL

580

160X10449X

160X10449X

CONEC

PLASTIC DUSTCAP FOR ALL D-SUBMIN

3120

554099-1

554099-1

TE Connectivity AMP Connectors

STRAIN RELIEF CLIP

0

1688104

1688104

Phoenix Contact

DSUB CAP NUT WITH LINE SEAL FOR

56

2-747580-3

2-747580-3

TE Connectivity AMP Connectors

CONN FERRULE STEPPED DB37/50

1917

5206942-2

5206942-2

TE Connectivity AMP Connectors

CONN D-SUB LATCH SLIDE CLIP

0

DD24661

DD24661

VEAM

DSUB DD DEEP STRT B/S CAD

561

260615

260615

Würth Elektronik Midcom

D-SUB RF-SEALED COVER FOR 15 POL

80

DF02HCLP04B

DF02HCLP04B

JAE Electronics

CLAMP PLATE CABLE DIA 6.0-6.5

0

2-2308350-6

2-2308350-6

TE Connectivity AMP Connectors

CRIMP BARREL16

248

1731120594

1731120594

Woodhead - Molex

FCT DUST CAP S4 PLSTC PLG ANTI

200

L17D53018

L17D53018

Storage & Server IO (Amphenol ICC)

D SUB SLIDE LOCK POST

94

4-745130-2

4-745130-2

TE Connectivity AMP Connectors

CONN OUTER FERRULE HDP-20 CRIMP

993

DC537503

DC537503

VEAM

DSUB DC INTERFACIAL SEAL

0

1727040090

1727040090

Woodhead - Molex

FCT DUST CAP S4 PLSTC RCPT

188

3-1393561-6

3-1393561-6

TE Connectivity AMP Connectors

HARDWARE CONTACT TUBE 15-37 POS

0

DBSCAP

DBSCAP

Switchcraft / Conxall

WATERPROOF CAP SEALE

33

DX-36-DC

DX-36-DC

Hirose

CONN HOOD 36PIN

0

745508-4

745508-4

TE Connectivity AMP Connectors

CONN FERRULE SPLIT-RING DB15/25

7002

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