D-Sub, D-Shaped Connectors

D-Sub, D-Shaped Connectors - Housings

Part Number	Description / PDF	Quantity
DEMAM15SNM-F225F0 VEAM	CONN D-SUB HD HOUSING RCPT 15POS	422
DBMAM44PK87F0 VEAM	CONN D-SUB HD HOUSING PLUG 44POS	0
DBMA25PK87F16F0 VEAM	DSUB 25 M CRIMP F0 TIN	0
DCU37PA183F0 VEAM	CONN D-SUB HOUSING PLUG 37POS	0
DBMAMY-25S-F0 VEAM	CONN D-SUB HOUSING RCPT 25POS	0
DAMA15SA183F0 VEAM	CONN D-SUB HD HOUSING RCPT 15POS	2035
DEMAMY9SA101F0 VEAM	CONN HOUSING	138
DEMAM9PK75F0 VEAM	DSUB 9 M CRIMP G50 CAD	0
DBMME5W5P VEAM	CONN D-SUB HOUSING PLUG 5POS	1104
DDMAMF78SNMF0 VEAM	CONN D-SUB HD HOUSING RCPT 78POS	0
DEMAM-9S-F0 VEAM	CONN D-SUB HOUSING RCPT 9POS	0
DEMAM9SF225F0 VEAM	CONN D-SUB HOUSING RCPT 9POS	762
DCU37SA197F0 VEAM	CONN D-SUB HOUSING RCPT 37POS	0
DCMY8W8PA191 VEAM	COMBO 8W8 M SOD G30 ZINC	236
DAM3W3SNM VEAM	CONN D-SUB HOUSING RCPT 3POS	155
DBMMY-5W5P VEAM	CONN D-SUB HOUSING PLUG 5POS	0
DBMAY25PF225F0 VEAM	DSUB 25 M CRIMP F0 D FLO SS	70
DAMMC3W3PJ VEAM	CONN D-SUB HOUSING PLUG 3POS	739
DBMAM25PK75F0 VEAM	DSUB 25 M CRIMP G50 CAD	2
DEMA9PK87F16F0 VEAM	CONN D-SUB HOUSING PLUG 9POS	0

D-Sub, D-Shaped Connectors - Housings

1. Overview

D-Sub (D-subminiature) connectors and D-Shaped housings are metal-shelled electronics connectors characterized by their D-shaped mating interface. They ensure mechanical polarization and reliable signal/power transmission in critical applications. These components remain essential in industrial automation, telecommunications, and aerospace systems despite the rise of newer connector standards.

2. Main Types & Functional Classification

Type	Functional Features	Application Examples
Standard D-Sub Housings	9-104 contacts, 5-60A rating, basic EMI shielding	RS-232 serial ports, industrial control panels
High-Density Housings	Double-deck contacts, 26-104 contacts	Telecom backplanes, military data links
Waterproof Housings	IP67 rating, sealed mating interfaces	Marine instrumentation, outdoor telecom cabinets
Right-Angle Housings	90 PCB mount, space-saving design	Embedded industrial computers, test equipment

3. Structure & Composition

Typical D-Shaped housing consists of: - Metal Shell: Brass or zinc alloy with EMI/RFI shielding - Insulation Body: High-temperature resistant thermoplastic - Contact Arrangement: Multiple rows of signal/power pins - Mounting Features: Threaded inserts or panel clamps - Optional: Sealing gaskets, polarization keys

4. Key Technical Specifications

Parameter	Importance
Current Rating (5-60A)	Determines power transmission capacity
Contact Resistance ( 10m )	Impacts signal integrity
Dielectric Strength (1000VAC)	Ensures electrical safety
Operating Temperature (-55 C to +125 C)	Defines environmental tolerance
Shielding Effectiveness (60-100dB)	EMI/RFI protection level

5. Application Fields

Industrial Automation: PLCs, CNC machine controllers
Telecommunications: 4G/5G base stations, fiber optic equipment
Medical Equipment: Patient monitors, imaging systems
Aerospace: Avionics, flight control systems
Test & Measurement: Oscilloscopes, signal analyzers

6. Leading Manufacturers & Products

Manufacturer	Representative Product	Key Features
Amphenol	D38999 Series III	Military-grade sealing, 100G vibration resistance
TE Connectivity	DEUTSCH DT Series	High-density 96 contacts, quick-latch system
Molex	MICRO D HDM Series	0.050" contact spacing, 10Gbps data rate

7. Selection Guidelines

Define current/voltage requirements
Assess environmental conditions (temperature, moisture, vibration)
Determine shielding needs for EMI-sensitive applications
Choose mounting style (panel mount, PCB mount)
Budget consideration: Cost varies 20-300% by performance tier

8. Industry Trends

Current development directions include: - Miniaturization: 0.025" contact pitch prototypes - High-speed capabilities: Differential pair designs for 25Gbps+ - Material innovation: Conductive polymers replacing metal shells - Environmental compliance: Halogen-free flame retardant materials - Smart integration: Embedded sensors for condition monitoring