DEM9SB

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 are a popular type of electrical connectors commonly used in the computer, electrical, and communications industries. The wide range of sizes and contact arrangements allow their use in a variety of applications. They are usually specified for moderate up to robust applications requiring reliability and durability. The connectors are known for their easy assembly and versatility, and are available in several types, such as DE-9, DB-25, and HD15.

The DE-9 or D-sub 9 connectors are the most common type and are mainly used in computers and peripherals. It has a metal shell that is typically painted black and there are nine terminating pins in the rear of the connector for each of the nine connectors. The pins on the rear of the connector are numbered from 1-9 with odd numbers on the left and even numbers on the right.

The DB-25 connectors have a total of 25 contacts, with 13 points on each side. It is usually used for parallel or serial communications in many types of data equipment, and is commonly referred to as a “DB-25 MV”. The DB-25 MV can be mated with other types of D-sub connectors. For example, the DB-25 MV can be mated with a tail-mount DE-9 to form a shielded “T” connector for finger-safe connections.

The HD15 connectors are similar to the DE-9 but are larger in size and have 15-pins. This type of connector is used mainly in video and multimedia applications. It is an analog video connector and is often used to connect a computer or video card to a monitor or display. It is also used to connect scanners, microphones, and other audio/video devices with a video card.

The basic principles of operation of the various types of D-sub connectors are the same. The main component of the connector is a metal housing which can be opened and closed with the use of retaining screws. Inside the housing is series of terminals and contact points which are connected to the male and female pins. The connection between the two is achieved by the pin being inserted into the female terminal and the electrical connection made by the spring force of the terminal. The spring tension is usually factory set and is not adjustable.

The pin quality is important for reliable operations as the pins must be made from a material with a low electrical resistance and must contact the inner wall of the terminal without any scratches or gouges. The contact force between the pins and terminals is related to the electrical characteristics of the connector with a good contact providing a lower electrical resistance than a weak contact force. The connector is designed to be self-cleaning to reduce any accumulated dirt or contaminants on the contact surface between the terminals.

The D-sub connectors can be used in a wide range of applications and are designed to provide reliable connectivity with low electrical resistance. The connectors are easy to assemble and allow connections between many devices. The various types of D-sub connectors have different pin configurations and features, allowing them to be used in a large variety of applications. They are suitable for moderate to robust applications requiring reliability and durability.

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