D-Sub, D-Shaped Connectors

D-Sub, D-Shaped Connectors - Contacts

Part Number	Description / PDF	Quantity
1727040153 Woodhead - Molex	CONN D-SUB SOCKET 8-10AWG CRIMP	594
09670008267 HARTING	DSUB-FE-CR-KON AWG20-24;AFS3;L50	1440
340100501B C&K	CONN D-SUB PIN CRIMP	451
131C10029X CONEC	CONN D-SUB PIN 12-14AWG SLDR CUP	4128
132A13039X CONEC	CONTACT PIN FML R/A	138
1731120038 Woodhead - Molex	CONN D-SUB PIN 16-20AWG SLDR CUP	6300
330-5291-000 VEAM	CONN D-SUB PIN 20-24AWG CRIMP	6280
09560008157 HARTING	D SUB HD MA CONTACT 24-26 AWG PL	0
MS8022D/AA PEI-Genesis	CON M SIZE 22 SOLDER CUP	2220
09670008277 HARTING	CONN D-SUB SOCKET 20-24AWG CRIMP	55
09670005470 HARTING	CONN D-SUB SOCKET 22-26AWG CRIMP	510
131C11039X CONEC	CONN D-SUB PIN 10-12AWG CRIMP	1359
1731120154 Woodhead - Molex	CONN D-SUB PIN PCB GOLD	16
1731120156 Woodhead - Molex	CONN D-SUB PIN PCB GOLD	0
340107803B C&K	CONN D-SUB PIN 24-28AWG CRIMP	500
09670003672 HARTING	D SUB FE TUR. CON. AWG 18-22_1,3	75
1-212565-0 TE Connectivity Aerospace Defense and Marine	CONN D-SUB PIN PCB GOLD	149
161A13399X CONEC	CONN D-SUB PIN 20-24AWG CRIMP	993
131J20049X CONEC	CONN D-SUB PIN COAX GOLD	203
166292-1 TE Connectivity AMP Connectors	CONN D-SUB SOCKET 24-28 AWG CRMP	9870

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.