D-Sub, D-Shaped Connectors

D-Sub, D-Shaped Connectors - Contacts

Part Number	Description / PDF	Quantity
1418786 Phoenix Contact	CONN D-SUB PIN 20-24AWG CRIMP	104030600
1655454 Phoenix Contact	CONN D-SUB SOCKET PCB GOLD	48226
1599600 Phoenix Contact	CONN D-SUB SOCKET CRIMP GOLD	2048
1688272 Phoenix Contact	CONN D-SUB SCKT 8-10AWG SLDR CUP	21
1688256 Phoenix Contact	CONN DSUB SCKT 12-14AWG SLDR CUP	37
1655467 Phoenix Contact	CONN D-SUB PIN SLDR GOLD	73694
1418788 Phoenix Contact	CONN D-SUB SOCKET 20-24AWG CRIMP	2006200
1603505 Phoenix Contact	CONN D-SUB PIN CRIMP	45
1603509 Phoenix Contact	CONN D-SUB SOCKET CRIMP	96
1655632 Phoenix Contact	CONN D-SUB SOCKET COAX CABLE SLD	2
1688269 Phoenix Contact	CONN D-SUB PIN 8-10AWG SLDR CUP	6
1688243 Phoenix Contact	CONN D-SUB PIN 12-14AWG SLDR CUP	3758
1597862 Phoenix Contact	CONN D-SUB PIN CRIMP	7401600
1418787 Phoenix Contact	CONN D-SUB SOCKET 26-28AWG CRIMP	100
1603321 Phoenix Contact	CONN D-SUB PIN CRIMP	0
1655577 Phoenix Contact	CONN DSUB PIN/SCKT COAX SLDR CUP	0
1418789 Phoenix Contact	CONN D-SUB PIN 22-28AWG CRIMP	0
1655580 Phoenix Contact	CONN DSUB SCKT/PIN COAX SLDR CUP	0
1655263 Phoenix Contact	CONN D-SUB SOCKET 22AWG CRIMP	40
1655616 Phoenix Contact	CONN DSUB SCKT COAX CBL SLDR CUP	0

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

Type	Function Features	Application Examples
DE-9	9-pin configuration, compact size	RS-232 serial interfaces, PC COM ports
DB-25	25-pin configuration, parallel signal transmission	Older printer ports, industrial control systems
DC-37	37-pin high-density arrangement	Military equipment, test instrumentation
HD D-Sub	High-density double-row contacts	Video 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

Parameter	Typical Range	Significance
Current Rating	1-5 A per contact	Determines power handling capacity
Voltage Rating	50-600 V AC/DC	Ensures dielectric strength
Contact Resistance	10 m	Impacts signal integrity
Insulation Resistance	1000 M	Prevents leakage currents
Operating Temperature	-55 C to +125 C	Environmental 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

Manufacturer	Representative Product
TE Connectivity	DEUTSCH D-Sub series with EMI filtering
Amphenol	High-density HD D-Sub 90-position connectors
Molex	Micro D-Sub for compact industrial applications
Samtec	High-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.