166293-1 Connectors, Interconnects

D-Sub, D-Shaped Connectors - Contacts

D-sub connectors, also known as D-shaped connectors, are electrical connectors commonly used in electronic and computer equipment. They are named after their distinct D-shaped metal shield which shields against electromagnetic interference (EMI). They are also commonly referred to as PDB connectors, due to their popularity amongst computer users. Typical applications of D-sub connectors include industrial control, networking, telecommunications, and signal transmission.

The individual components of a D-sub connector system include the contact block, the mating face, the cable or wire, the backshell, and the pin tensioner. The cable can be either solid or twisted pair construction, and the connectors are designed to accommodate both types. The contact block is typically manufactured from brass or phosphor bronze, and features a square or round hole for attaching the cable. The mating surface of the contact is typically gold plated to ensure secure connection and proper electrical contact with the mating part. The backshell also serves to protect the contact from physical and environmental damage.

The pin tensioner on the contact block is used to maintain a tight connection between the contact and the mating face without adding excessive force or wear on the contact. It is usually hemispherical or conical in shape, with a pin attached to the bottom. The pin travels through the contact block to make contact with the mating surface, while the tensioner ensures the pin is securely tightened when making the connection.

D-sub connectors are also characterized by their common signal configuration and voltage rating. Common signal configurations include 9 pin, 15 pin, and 25 pin. Voltage ratings range from 10V to 32V, depending on the intended application. In general, they have lower power capacities than other types of connectors, and are often used for smaller, low power applications such as audio, video, data, and fax signals.

The 166293-1 style contact is a part of the D-sub series of traditional connectors and can be used with all sized D-sub connectors, from 9 pin to 25 pin models. It is rated at 10V, and employs a 3-part, crimp-style contact construction. This construction is suitable for low power applications, such as modems, keyboard connections, and other small consumer electronics. It features a square contact block, slotted mating face, and spring steel pin tensioner. The 166293-1 is a reliable and cost-effective contact solution for many common electronics, and is compatible with all types of D-sub connectors.