D-Sub, D-Shaped Connectors

D-Sub, D-Shaped Connectors - Housings

Part Number	Description / PDF	Quantity
206505-1 TE Connectivity Aerospace Defense and Marine	CONN D-SUB HD HOUSING RCPT 78POS	0
445730-1 TE Connectivity Aerospace Defense and Marine	CONN D-SUB HOUSING RCPT 8POS	0
206500-1 TE Connectivity Aerospace Defense and Marine	CONN D-SUB HD HOUSING PLUG 26POS	0
446405-1 TE Connectivity Aerospace Defense and Marine	CONN D-SUB HOUSING PLUG 8POS	0
211641-4 TE Connectivity Aerospace Defense and Marine	CONN D-SUB HOUSING PLUG 37POS	0
211671-1 TE Connectivity Aerospace Defense and Marine	CONN D-SUB HD HOUSING RCPT 78POS	0
211675-1 TE Connectivity Aerospace Defense and Marine	CONN D-SUB HD HOUSING PLUG 44POS	0
212059-7 TE Connectivity Aerospace Defense and Marine	CONN D-SUB HOUSING RCPT 5POS	0
212526-6 TE Connectivity Aerospace Defense and Marine	CONN D-SUB HOUSING RCPT 21POS	0
206501-1 TE Connectivity Aerospace Defense and Marine	CONN D-SUB HD HOUSING RCPT 26POS	0
206800-1 TE Connectivity Aerospace Defense and Marine	CONN D-SUB HOUSING PLUG 25POS	17
211677-4 TE Connectivity Aerospace Defense and Marine	CONN D-SUB HD HOUSING PLUG 78POS	0
204504-5 TE Connectivity Aerospace Defense and Marine	CONN D-SUB HD HOUSING RCPT 44POS	0
212522-1 TE Connectivity Aerospace Defense and Marine	CONN D-SUB HOUSING PLUG 21POS	0
206504-1 TE Connectivity Aerospace Defense and Marine	CONN D-SUB HD HOUSING PLUG 78POS	0
1-2221860-6 TE Connectivity Aerospace Defense and Marine	CONN D-SUB HD HSG PLUG 104POS	0
212502-2 TE Connectivity Aerospace Defense and Marine	CONN D-SUB HOUSING RCPT 9POS	0
446405-4 TE Connectivity Aerospace Defense and Marine	CONN D-SUB HOUSING PLUG 8POS	0
445705-4 TE Connectivity Aerospace Defense and Marine	CONN D-SUB HOUSING RCPT 3POS	0
1-448816-4 TE Connectivity Aerospace Defense and Marine	CONN D-SUB HOUSING RCPT 37POS	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