| Image | Part Number | Description / PDF | Quantity | Rfq |
|---|---|---|---|---|
 |
HARTING |
D SUB IP 67_ 9 POLE FRONT SEAL |
95 |
|
 |
HARTING |
DSUB DUST CAP FE 09P BLACK |
65 |
|
 |
HARTING |
DSUB DUPC CAP FE 25P BLACK |
187 |
|
 |
HARTING |
CRIMP FLNG - HOOD 9-37P 35-45MM |
0 |
|
 |
HARTING |
BLANK PIECE METAL HOOD 9-37POLES |
31 |
|
 |
HARTING |
CRIMP FLNG - HOOD 9-37P 40-50MM |
71 |
|
 |
HARTING |
DSUB DUPC CAP MA 15P BLACK |
6 |
|
 |
HARTING |
D SUB IP 67 SHIELDED CAP_MA_15P |
5 |
|
 |
HARTING |
D-SUB 9 ZUGENTLASTUNGSBUEGEL |
55 |
|
 |
HARTING |
CRIMP FLNG - HOOD 9-37P 75-85MM |
0 |
|
 |
HARTING |
DSUB IDC 37POLE PLAST CBL CLAMP |
59 |
|
 |
HARTING |
D SUB IP 67 SHIELDED CAP_FE_25P |
0 |
|
 |
HARTING |
D SUB IP 67_37 POLE FRONT SEAL |
22 |
|
 |
HARTING |
CRIMP FLNG - HOOD 9-37P 60-70MM |
52 |
|
 |
HARTING |
DSUB IDC 15POLE PLAST CBL CLAMP |
123 |
|
 |
HARTING |
DSUB SLIDE LOCKING DEVICE 37P |
0 |
|
 |
HARTING |
DSUB ISP 37P NUT-UNC-4,40 H7,5 |
300 |
|
 |
HARTING |
CABLE CLAMP METAL HOOD 9-37P |
102 |
|
 |
HARTING |
D SUB IP 67_25 POLE FRONT SEAL |
81 |
|
 |
HARTING |
D SUB MA 15 POLE PLASTIC DUPC CA |
300 |
|
D-Subminiature (D-Sub) connectors are a family of electrical connectors characterized by a D-shaped metal shielding shell and multiple parallel contacts. They provide reliable signal and power transmission in demanding environments. These connectors remain critical in industrial automation, telecommunications, and legacy computer systems despite emerging alternatives. Their mechanical robustness and customizable configurations ensure continued relevance in specialized applications.
| Type | Key Features | Application Examples |
|---|---|---|
| DB-9 (DE-9) | 9 contacts, compact size | RS-232 serial communication, PC COM ports |
| DB-15 (HD-15) | 15 contacts, high-density | VGA video interfaces, industrial sensors |
| DB-25 | 25 contacts, parallel signaling | Older printer ports, industrial control systems |
| DB-37 | 37 contacts, rugged design | Industrial instrumentation, military equipment |
Standard D-Sub connectors consist of: - Metal shell: Zinc or aluminum alloy housing with EMI shielding - Insulator: High-temperature thermoplastic (e.g., LCP, PBT) - Contacts: Phosphor bronze or beryllium copper with gold/tin plating - Mounting hardware: Threaded nuts or panel-mount flanges Variants include solder cup, PCB mount, and crimp termination options with optional environmental seals.
| Parameter | Typical Range | Significance |
|---|---|---|
| Current Rating | 1-10A per contact | Determines power transmission capability |
| Voltage Rating | 50-600V | Ensures dielectric insulation safety |
| Contact Resistance | 5-20m | Impacts signal integrity |
| Insulation Resistance | 1000M min | Prevents leakage currents |
| Operating Temp | -55 C to +125 C | Defines environmental tolerance |
| Manufacturer | Key Products | Specialization |
|---|---|---|
| TE Connectivity | DEUTSCH D-Sub series | Military/aerospace grade connectors |
| Amphenol | 97-Series D-Subs | High-density industrial connectors |
| Molex | DuraCon D-Sub | Commercial/industrial applications |
| ITT Cannon | Delta-D-Sub | Harsh environment solutions |
Key selection factors: - Signal/power requirements (contact count, current/voltage needs) - Environmental conditions (temperature, vibration, moisture) - Mechanical constraints (panel space, mating cycles) - Shielding requirements (EMI/RFI protection level) - Termination method (solder, crimp, PCB mount) - Compliance standards (MIL-STD, RoHS, REACH) Example: Selecting DB-9 with gold contacts and IP67 rating for outdoor industrial control cabinets.
Emerging trends include: - Miniaturization (e.g., micro D-Sub at 2.5mm pitch) - High-speed variants supporting USB 3.0+ signaling - Integration with fiber optic/hybrid contact designs - Adoption of lead-free plating processes - Modular designs enabling hot-swap functionality - Increased use in IoT edge devices for legacy system compatibility