D-Sub, D-Shaped Connectors

D-Sub, D-Shaped Connectors - Contacts

Part Number	Description / PDF	Quantity
1727040133 Woodhead - Molex	CONN D-SUB SOCKET COAX GOLD	0
132C11029X CONEC	CONN D-SUB SOCKET 12-14AWG CRIMP	774
1731120139 Woodhead - Molex	CONN D-SUB SOCKET HOSE/TUBING	100100
132A12059X CONEC	CONN D-SUB SOCKET SLDR GOLD	0
1731120203 Woodhead - Molex	CONN D-SUB PIN 18-22AWG CRIMP	2
131J20019X CONEC	CONN D-SUB PIN COAX GOLD	225
030-1952-004 VEAM	CONN D-SUB PIN CRIMP	0
1727040187 Woodhead - Molex	CONN D-SUB PIN 8-12AWG SLDR CUP	400
09692817420 HARTING	CONN D-SUB PIN SLDR CUP GOLD	79
132A11029X CONEC	CONN D-SUB SOCKET 12-14AWG CRIMP	771
131A11019X CONEC	CONN D-SUB PIN 16-20AWG CRIMP	4
1731120210 Woodhead - Molex	CONN D-SUB SOCKET 20-24AWG CRIMP	4355
DM537451 VEAM	CONN D-SUB PIN 8AWG SLDR CUP	1287
09691827420 HARTING	CONN D-SUB SOCKET 16-20AWG CRIMP	0
1731120221 Woodhead - Molex	CONN D-SUB SOCKET 26-28AWG CRIMP	500
FC8022D2/AA PEI-Genesis	CON F SZ 22 CRIMP POSIBAND	12650
DM5374527 VEAM	CONN D-SUB PIN 12AWG SLDR CUP	1609
09691827823 HARTING	D SUB MIXED FE 40 A SHORT CRIMP	0
211159-1 TE Connectivity Aerospace Defense and Marine	CONN D-SUB PIN 8AWG CRIMP GOLD	998
09670007166 HARTING	CONN D-SUB PIN CRIMP 500PCS	3

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.