D-Sub, D-Shaped Connectors - Contacts

Image Part Number Description / PDF Quantity Rfq
86566510065LF

86566510065LF

Storage & Server IO (Amphenol ICC)

CONN D-SUB SOCKET 24-28AWG CRIMP

19000

330-5291-055

330-5291-055

VEAM

CONN D-SUB PIN 18AWG/22AWG CRIMP

937

L17-RR-D2-M-02-100

L17-RR-D2-M-02-100

Storage & Server IO (Amphenol ICC)

CONN D-SUB PIN 24-28AWG CRIMP

0

DM53743-5001

DM53743-5001

VEAM

CONN D-SUB SOCKET COAX CABLE SLD

121

132C11049X

132C11049X

CONEC

CONN D-SUB SOCKET 8-10AWG CRIMP

1148

DM53742-5001

DM53742-5001

VEAM

CONN D-SUB SOCKET COAX CABLE SLD

729

1731120465

1731120465

Woodhead - Molex

COAX CRIMP CONTACT 50 OHM

73

40-9866S

40-9866S

Vitelec / Cinch Connectivity Solutions

CONN D-SUB SOCKET CRIMP 1=100

76

1731120419

1731120419

Woodhead - Molex

FCT TERM HFREQ CRP RCPT 50 OHM

300

1731120084

1731120084

Woodhead - Molex

CONN D-SUB SOCKET PCB GOLD

0

M39029/63-368

M39029/63-368

TE Connectivity DEUTSCH Connectors

CONN D-SUB SOCKET 20-24AWG CRIMP

54857

DM130342

DM130342

VEAM

CONN D-SUB SOCKET 12AWG CRIMP

514

170-201-170L003

170-201-170L003

NorComp

CONN D-SUB PIN 20-26AWG CRIMP

12148

161A18009X

161A18009X

CONEC

CONN D-SUB PIN 22AWG CRIMP GOLD

124815

1731120085

1731120085

Woodhead - Molex

CONN D-SUB PIN PCB GOLD

195

162A11849X

162A11849X

CONEC

CONN D-SUB SOCKET 20-24AWG CRIMP

50

1418786

1418786

Phoenix Contact

CONN D-SUB PIN 20-24AWG CRIMP

104030600

170-001-170L002

170-001-170L002

NorComp

CONN D-SUB PIN 24-28AWG CRIMP

24973

1731120052

1731120052

Woodhead - Molex

CONN D-SUB PIN COAX CRIMP GOLD

90

1731120307

1731120307

Woodhead - Molex

FCT LOCKPLATE S1-S4

200

D-Sub, D-Shaped Connectors - Contacts

1. Overview

D-Subminiature connectors, commonly referred to as D-Sub or D-Shaped connectors, are electrical connectors featuring a D-shaped metal shield. They are widely used for data, signal, and power transmission in industrial, computing, and communication systems. Their robust design ensures reliable electrical continuity and mechanical stability in demanding environments.

2. Main Types and Functional Classification

TypeFunction FeaturesApplication Examples
DE-99-pin configuration, compact sizeRS-232 serial interfaces, PC COM ports
DB-2525-pin configuration, parallel signal transmissionOlder printer ports, industrial control systems
DC-3737-pin high-density arrangementMilitary equipment, test instrumentation
HD D-SubHigh-density double-row contactsVideo graphics (VGA), industrial automation

3. Structure and Components

Typical D-Sub connectors consist of: - Metal Shell: Zinc alloy or steel housing with EMI shielding - Insulator: High-temperature resistant thermoplastic or ceramic - Contact Arrangement: Male pins (plug) or female sockets (jack) in staggered rows - Mounting Hardware: Threaded or snap-in fixing mechanisms Contacts are usually made of phosphor bronze or beryllium copper with gold/tin plating for corrosion resistance.

4. Key Technical Specifications

ParameterTypical RangeSignificance
Current Rating1-5 A per contactDetermines power handling capacity
Voltage Rating50-600 V AC/DCEnsures dielectric strength
Contact Resistance 10 m Impacts signal integrity
Insulation Resistance 1000 M Prevents leakage currents
Operating Temperature-55 C to +125 CEnvironmental durability

5. Application Fields

  • Computer peripherals (monitors, keyboards)
  • Industrial automation (PLCs, sensors)
  • Telecommunications (modems, routers)
  • Aerospace (avionics systems)
  • Test and measurement equipment

6. Leading Manufacturers and Products

ManufacturerRepresentative Product
TE ConnectivityDEUTSCH D-Sub series with EMI filtering
AmphenolHigh-density HD D-Sub 90-position connectors
MolexMicro D-Sub for compact industrial applications
SamtecHigh-speed D-Sub with 10 Gbps data rate

7. Selection Guidelines

  • Verify current/voltage requirements against contact ratings
  • Choose shell size based on pin count needs
  • Consider locking mechanisms for vibration-prone environments
  • Specify plating material for corrosion resistance
  • Ensure compliance with industry standards (e.g., MIL-DTL-24308)

8. Industry Trends

Key developments include miniaturization (sub-D connectors), hybrid designs integrating USB-C/HDMI signals, improved EMI shielding for 5G applications, and surface-mount technology (SMT) compatibility. Environmental regulations drive adoption of RoHS-compliant materials and lead-free plating solutions.

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