977-025-020-121

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D-Sub connectors, also known as D-shaped connectors, are a type of electrical connector typically used in computer applications. They are designed to be inserted into a slot in a computer back-panel or chassis and secured by screws. The term \'D-sub\' is used to refer to the entire family of connectors, including all shapes and sizes, from the smallest 0-pin suitable for attaching two floppy disk drives to the larger 25-pin or higher manufactured to provide connectivity between the PC and a display device such as a CRT monitor.

The 977-025-020-121 is a D-Sub connector featuring a variety of materials and finishes, including zinc die-cast, black and chrome body, and aluminum alloy or stainless steel backshells. It features a shrouded design, consisting of a backshell and hood. The primary purpose of the hood is to protect the contacts when the connector is in use, while the backshell provides strain relief for the cable and ensures that the point of entry for the cable into the connector is sealed from the environment. The hood also serves to deflect electromagnetic interference (EMI) from outside sources.

The 977-025-020-121 is an ideal solution for applications where increased protection from environmental factors, such as chemicals, dust, and moisture, is required. Due to its metal construction, the connector provides superior corrosion protection, excellent EMI shielding, and high pin density. This makes it suitable for use in industrial and marine environments where space is limited and robust environmental shielding is required. The connector is also available with various options to facilitate easier installation and prevent damage during installation.

The working principle of the 977-025-020-121 is based on the traditional D-Sub connector design which consists of an outer shell, a number of contacts, an insulation cover, and a transition section. When two connectors are mated, contact plates connected to the wires on either side will touch and create an electrical connection, allowing a current to flow between the two sides. The transition section allows for the current to flow freely between the contacts; the insulation cover prevents any short circuits between contacts. The outer shell provides strain relief and secure mounting to the system.

The 977-025-020-121 is a high-performance connector for a range of applications, from communications to industrial power, making it a versatile and reliable choice. It is easy to install and can be mated with any standard D-Sub compatible connector system, offering the benefits of increased environmental protection and EMI shielding for high-performance applications. With its durable construction and robust shielding, the 977-025-020-121 connector is a reliable and versatile choice for a range of applications.

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