D-Sub, D-Shaped Connectors - Accessories

Image Part Number Description / PDF Quantity Rfq
980-2000-440

980-2000-440

VEAM

DB-60-20BA PIN BLACK ANTIS D/C

895

D20419-212

D20419-212

VEAM

DSUB MALE SCREW LOCK ROHS

2698

D20419-104

D20419-104

VEAM

DSUB MALE SCREW LOCK ZINC

0

015-9528-000

015-9528-000

VEAM

BRACKET MTG 90 MDM-100

0

D20418-80

D20418-80

VEAM

DSUB SCW LOCK FEM ZINC/CLCH

2378

DB53750-2

DB53750-2

VEAM

DSUB DB INTERFACIAL SEAL

19

DE24657-5

DE24657-5

VEAM

DSUB DE DEEP STR CLAMPE BRASS

120

304-8812-000

304-8812-000

VEAM

D SUB

0

DMA51236-1

DMA51236-1

VEAM

DSUB D*MA SKT HOLE FILLER

2

304-8810-000

304-8810-000

VEAM

D SUB

0

DA121073-50

DA121073-50

VEAM

DSUB DA B/S MET PLA 50 DEGR

85

DE115398

DE115398

VEAM

DSUB POLARIZE PLATE DE

32

980-2000-442

980-2000-442

VEAM

DSUB 37POS PIN DUST CAP

2519

D20418-134

D20418-134

VEAM

DSUB FEMALE SCREW LOCK ROHS

6392

DC-60-20

DC-60-20

VEAM

DSUB DUSTCAP DC PIN

2519

DA115339-21

DA115339-21

VEAM

DSUB DA SNAP UNIVE PLASTIC B/S

301

DB50906-1

DB50906-1

VEAM

DSUB DB POTTING SHL NYLON

711

DC24660-11

DC24660-11

VEAM

DSUB DC DEEP STRT B/S BRASS

28

DC-59-20

DC-59-20

VEAM

DSUB DUSTCAP

14783

D110277-4

D110277-4

VEAM

DSUB LATCH SPRING REAR 2PER

1508

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