172-050-101-021

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

D-Sub connectors, also known as Sub-D, are a type of electrical connector used for joining two devices together, such as two computers or pieces of electrical equipment. Originally developed in Germany in the early 1950s, they are still widely used today in many applications including RS-232, RS-422, RS-485, SCSI, and V.35.

The D-Sub connector is an acronym for its shape, which resembles the letter ‘D’ and is designed to reduce the possibility of accidental disconnection. This is achieved by the connector locking mechanism which ensures that the plug and socket remain together. The most common type of D-Sub connector has two rows of pins arranged in a grid pattern, with some form of locking sleeve or clip to secure them together.This type of connector is typically used in industrial and computer applications, and is particularly beneficial in harsh or demanding electrical environments. Its robustness allows it to resonate the vibrations caused by motors, pumps and other machinery, and helps to maintain the electrical connection in vibrating or movement-heavy environments. It is also extremely water resistant, and its heavy duty threaded construction helps to ensure that its internal contacts remain securely connected.The specific model 172-050-101-021 D-Sub connectors have a number of key features, as detailed below.

• 9-pin female connector type B
• Rated at 0.3A@125V
• Compatible with industrial grade D-Sub connectors
• Screw on connection for added security
• Spring-loaded clamping mechanism for secure connection
• Insulated against moisture and vibration
• Metal shell for increased durability
• Stainless steel hardware for corrosion resistance
• Available in a variety of colors and configurations

The working principle of these connectors is based upon the simple contact-pin arrangement, typically in two rows and arranged in a grid-like pattern. In fact, a D-sub connector is very similar to a ring terminal. When the two contacts are brought together, the two pins form an electrical connection which in turn creates a current that can flow. The connection is only complete when the pins on both devices are in proper alignment. Any misalignment of the pins prevents connection, which is why the connectors are usually secured together with locking mechanisms such as screws, clamps, or threaded sleeves.

Since the first models of this type of connector ever launched, different versions and configurations have been developed to meet specific need. For instance, a high-temperature aluminum-alloy version is available in order to keep the connector’s integrity even under severe conditions. In addition, a "Sealed" version has recently been introduced which provides greater protection against dust, oil, and moisture.

From computer and communication systems to automation and industrial equipment, D-Sub connectors are used in nearly every type of electrical application. With its increased accuracy, ease of installation, and superior reliability, these connectors remain one of the most popular choices for electrical connections.

The specific data is subject to PDF, and the above content is for reference