977-050-020-121

Series:	977
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Accessory Type:	Two Piece Backshell
Number of Positions:	50
Cable Type:	Round
Cable Exit:	180°
Shielding:	Shielded
Material:	Plastic, Metallized
Plating:	Nickel over Copper
Hardware:	Assembly Hardware, Strain Relief
Features:	Mating Screws 4-40, Sealed
Color:	Silver

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D-sub or D-shaped connectors are an influential part of today’s electrical and communication equipment. This type of connector is used in a variety of different application areas due to its versatility, durability, and cost-effectiveness. The widely used 977-050-020-121 application field and working principle are important topics when it comes to understanding the usage and importance of a D-sub connector. The 977-050-020-121 D-sub backshells, hood, and housings are constructed from a combination of zinc or aluminum die-cast material with a color-coded nylon 6/6 material. The housings are designed to ensure signal integrity, EMI shielding, and to protect the connector from environmental contaminants. The metal backshell and the lightweight color-coded nylon material make the D-sub backshell a good choice for harsh environments. The electrical power and signal leads are terminally sealed with a special plastic material and shielded against EMI. The plastic insulation prevents the electrical power and signal wires from coming into contact with components, thereby isolating the connection from any outside electrical interference. The unique shape of the backshell allows it to be connected to the PCB using a hinged connection. This design has been found to be more reliable than soldered connections due to the larger surface area contact and more secure mechanical connection. The 977-050-020-121 D-sub hood operates in the same way as other D-sub styles, with the ability to create a mechanical and electrical connection between the cable and the PCB. The cable is inserted into the hood, and a cable gland is used to secure the cable and prevent EMI ingress. The cable gland also ensures that the cable remains in place during operation. The hood also creates a seal around the connector, ensuring that no moisture or contaminants can enter the system. The 977-050-020-121 D-sub connector also performs a crucial role in protecting the equipment from electro-magnetic interference. This type of interference, known as EMI, can cause performance issues or unintended shutdowns. The noise suppression capabilities of the D-sub backshell help protect the electronics from these interference issues. The combination of shielding, ground connection, and insulator materials further helps to reduce EMI and ensure system reliability.In conclusion, 977-050-020-121 D-sub backshells, hoods, and housings provide a reliable and cost-effective solution for many application areas. These backshells are constructed from reliable, shield-capable materials which protect the electrical connection and reduce EMI. Additionally, the hood provides a secure fit which prevents moisture and contaminants from entering the system. The versatile design makes the D-sub connector an ideal solution for a variety of electrical and communication applications.

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