25-Pin D-Sub Female Connector for PCB Mount, Through Hole, 2.77mm Pitch, Machined Contacts
Introduction:
This 25-pin D-Sub female connector is engineered for reliable PCB mounting with a straight orientation, ideal for signal applications. It features female contacts machined from brass for precision and durability. The connector boasts a 2.77mm pitch across 2 rows, providing a compact and high-density design. Mounting is simplified with through-hole solder termination and a rear rivet nut for secure PCB attachment. The steel shell is nickel-plated for corrosion resistance. Rated for 3A current and 250V voltage. It operates reliably in temperatures from -55°C to 125°C. Ideal for industrial controls, data systems, and instrumentation requiring durable cable connections.
Main Features:
- 25-Pin Female Connector: Standard D-Sub size B shell with female signal contacts.
- PCB Mounting: Features a straight orientation through-hole design.
- 2.77mm Pitch: Standard pin spacing for DB25 series compatibility.
- Standard B Size Steel Shell: Features a durable nickel-plated steel housing for protection.
- Machined Brass Contacts: Ensures superior electrical performance and mechanical durability.
- Rear Rivet Nut: Simplifies and secures panel mounting from the rear of the connector.
- Safety Certified Insulator: Utilizes UL94 V-0 flame-retardant thermoplastic polyester material for critical safety compliance.
Main Specifications:
General Information:
| Product Number: | YC-681-4095 | |
| Connector Series: | Standard D-Sub | |
| Orientation: | Straight | |
| Connector Gender: | Female | |
| Number of Contacts: | 25 Pin | |
| Number of Rows: | 2 | |
| Pitch: | 2.77mm | |
| Shell Sizes: | B | |
| Mount Type: | PCB Mount | |
| Mount Feature: | Rear Rivet Nut | |
| Contact Termination: | Solder | |
| Contact Type: | Machined Contact | |
| Contact Function: | Signal |
Materials and Plating:
| Shell Material: | Steel | |
| Shell Plating: | Nickel Plating | |
| Contact Material: | Brass | |
| Contact Plating: | Gold Plating | |
| Contact Plating Thickness: | 3.00 µin (0.076 µm) | |
| Insulator Material: | Thermoplastic Polyester |
Electrical Performance:
| Rated Current: | 3A | |
| Rated Voltage: | 250V AC |
Environmental Performance:
| Temperature Range: | -55℃ to +125℃ | |
| Flammability Rating: | UL94 V-0 |
Applications of the D-Sub DB25 Female Connector:
- Parallel Printer Ports (LPT/Centronics)
- Serial Communication (RS-232)
- SCSI-1 Peripherals
- Legacy Computer Peripherals
- Industrial Control & Automation
- Multi-Channel Audio Patchbays (TASCAM TDIF)
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