D-Sub, D-Shaped Connectors

D-Sub, D-Shaped Connectors - Contacts

Part Number	Description / PDF	Quantity
030-2488-016 VEAM	CONN D-SUB SOCKET 20-24AWG CRIMP	3765
09692817140 HARTING	D SUB MIXED MA S CRIMP COAX 50 O	28
09692827140 HARTING	D SUB MIXED MA S CR CR COAX 50 O	5
09691825230 HARTING	CONN D-SUB SCKT COAX CABLE CRIMP	0
L17DM53744201 Storage & Server IO (Amphenol ICC)	CONN D-SUB SOCKET 6AWG CRIMP	0
09670007167 HARTING	CONN DSUB PIN 28AWG CRIMP 500PCS	4
1727040128 Woodhead - Molex	CONN D-SUB PIN COAX CRIMP GOLD	7
09691815423 HARTING	CONN D-SUB SOCKET SLDR CUP GOLD	500
8656353064LF Storage & Server IO (Amphenol ICC)	CONN D-SUB SOCKET 20-24AWG CRIMP	10320
207684-4 TE Connectivity Aerospace Defense and Marine	CONN D-SUB SOCKET PCB GOLD	838
1727040188 Woodhead - Molex	CONN D-SUB SCKT 8-12AWG SLDR CUP	218
132A10029X CONEC	CONN DSUB SCKT 12-14AWG SLDR CUP	601
8638PPC4005LF Storage & Server IO (Amphenol ICC)	CONN D-SUB PIN 8-10AWG CRIMP	708
L17-RR-D2-F-02-100 Storage & Server IO (Amphenol ICC)	CONN D-SUB SOCKET 24-28AWG CRIMP	1231
131A11049X CONEC	CONTACT PIN MALE CRIMP	38
1731120333 Woodhead - Molex	FCT SCREW 4-40 UNC 17.5 NI	28
L17DM537401 Storage & Server IO (Amphenol ICC)	CONN D-SUB PIN COAX CRIMP GOLD	339
1731120737 Woodhead - Molex	'FCT HD SIGN PLG CRP 22-28AWG 8U	4000
4293.23.1415.425	CABLE MOUNT PLUG - COAX INSERTS	100
1731120082 Woodhead - Molex	CONN D-SUB SOCKET PCB GOLD	36400

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.