D-Sub, D-Shaped Connectors - Accessories

Image Part Number Description / PDF Quantity Rfq
DA115398-1

DA115398-1

VEAM

DSUB POLARIZE PLATE DA

0

304-8813-000

304-8813-000

VEAM

D SUB

0

015-0340-003

015-0340-003

VEAM

DSUB DB PLASTIC BRAC HD D*/D*M

0

015-0349-000

015-0349-000

VEAM

DSUB DA PLASTIC BRACKET D*U

0

217-2018-001

217-2018-001

VEAM

D-SUB CINCH NUT A197/K87

0

DC20963-8

DC20963-8

VEAM

DSUB DC ROUND C/C BRASS

0

DD50925-100

DD50925-100

VEAM

DSUB DD

0

M85049/48-2-9F

M85049/48-2-9F

VEAM

DSUB DC ROUND C/C BRASS

0

DE-59-20PG

DE-59-20PG

VEAM

DSUB DUSTCAP DE SKT

0

250-8550-024

250-8550-024

VEAM

MDSM Z22 SLIDE LATCH POST

0

DC120190-455

DC120190-455

VEAM

DSUB DC

0

217-0733-004

217-0733-004

VEAM

BFR 36 HEX NUT A204

0

DES-59-20

DES-59-20

VEAM

DSUB DE F DUST CAP BLK

0

990-0001-272

990-0001-272

VEAM

RP #4-40 CLINCH NUT STAINLESS

0

D20418-135

D20418-135

VEAM

DSUB FEMALE SCREW LOCK ROHS

0

238-9503-000

238-9503-000

VEAM

MDM FLOAT MT RIVET

14835

320-0132-001

320-0132-001

VEAM

DSUB DA SLIDE LATCH KIT

0

980-0004-041

980-0004-041

VEAM

RP #4 LOCK WASHER

0

D121073-42

D121073-42

VEAM

DSUB SCREW LOCKS W/THRD INS

0

DD115386-92

DD115386-92

VEAM

DSUB DD J/S 90 DEG DIE CAST

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