DB9 Connectors

DB9 connectors are one of the most widely used solutions for serial data communication. Featuring a 9-pin D-subminiature design, these connectors are commonly found in legacy computer systems, industrial equipment, control interfaces, and embedded applications. Whether you need a DB9 male connector, female DB9 connector, or specialized adapters, our collection offers high-quality options for both replacement and new installations.

What Is a DB9 Connector?

A DB9 connector is part of the D-sub family of connectors, originally developed for RS-232 serial communications. With nine pins arranged in two parallel rows, DB9 connectors provide a compact yet robust interface. 

They are used to transmit serial data between devices like computers, modems, industrial controllers, and testing equipment. Thanks to their reliable design and durability, they remain a standard choice for applications where stable data transfer is critical.

Types of DB9 Connectors We Offer

Our extensive collection includes a variety of DB9 connectors to suit different technical needs:

• DB9 Male Connectors: Perfect for devices requiring a pin-style interface.
• DB9 Female Connectors: Featuring socket-style contacts for secure cable or panel mounting.
• DB9 Adapters: Ideal for converting between DB9 male and female configurations or adapting DB9 to other connector types.
• DB9 Plugs and Housings: Designed for easy installation and long-lasting durability.

Key Features of DB9 Connectors

Our DB9 connectors are engineered to deliver dependable performance and are ideal for a variety of environments:

• Durable metal or plastic housings for improved protection
• Gold- or tin-plated contacts to ensure optimal signal transmission
• Secure locking mechanisms to prevent accidental disconnection
• Compatibility with RS-232, RS-422, and RS-485 communication protocols
• Available in multiple mounting styles, including cable mount, PCB mount, and panel mount

Applications of DB9 Connectors

Because of their reliability and versatility, DB9 connectors are used across a wide range of industries and devices:

• Industrial automation and machine control
• Legacy computer systems and peripherals
• Networking equipment and testing tools
• Embedded systems and development boards
• Telecommunications and data transfer devices

Find the Right DB9 Connector for Your Needs

From DB9 plugs and adapters to high-quality DB9 female connectors, we stock everything you need for dependable serial connections. Every product in our collection is carefully selected to ensure long-lasting performance and compatibility with a wide range of devices. Browse our catalog today and find the perfect solution for your next project.