L77DEH09SURM8

Features:	Board Lock
Backset Spacing:	--
Contact Material:	Brass
Wire Gauge:	--
Housing Material:	Thermoplastic, Glass Filled
Contact Form:	Machined
Color:	Black
Voltage Rating:	300V
Operating Temperature:	-55°C ~ 125°C
Current Rating:	7.5A
Material Flammability Rating:	UL94 V-0
Ingress Protection:	--
Contact Finish Thickness:	8.00µin (0.203µm)
Contact Finish:	Gold
Shell Material, Finish:	Steel, Tin Plated
Series:	D
Termination:	Solder
Flange Feature:	Board Side (4-40); Mating Side, Female Screwlock (4-40)
Mounting Type:	Through Hole
Contact Type:	Signal
Shell Size, Connector Layout:	1 (DE, E)
Number of Rows:	2
Number of Positions:	9
Connector Type:	Receptacle, Female Sockets
Connector Style:	D-Sub
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tray

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Introduction to D-Sub Connectors

D-sub connectors are a type of electrical connector commonly used in electronic applications such as the connection of a computer peripheral to a motherboard or any other system where a secure and reliable connection is necessary. D-sub connectors are characterized by two rows of pins or contacts arranged in a "D" shape. The shape of the connector is often self-explanatory: the "D" in its name stands for "dual."The most common type of D-sub connectors are the male and female type. Male connectors have a flat, square-shaped pin that fits into the female connector\'s socket. Female connectors have a round, socket-like receptacle for the male pin. In addition to the male and female types, D-sub connectors are also available in different sizes and pin configurations.The most popular types of D-sub connectors are the 9-pin, 15-pin, and 25-pin varieties. These can be used for connecting devices such as mice, keyboards, serial ports, and USB ports, and are often referred to as DE-9, DE-15, and DE-25 connectors, respectively.

L77DEH09SURM8 Application Field and Working Principle

The L77DEH09SURM8 is a female right angle D-subminiature connector. It is a 9-pin connector with three rows of three pins and is designed for connecting devices such as keyboards, mice, and other peripherals. It is a popular choice for use in harsh or rugged environments due to its durable construction.The working principle of the L77DEH09SURM8 is simple. It uses an electrical connection between the device being connected and the board or device to which it is being connected. When the contacts of the female connector touch the corresponding pins in the male connector, an electrical connection is made and the data is passed along.The L77DEH09SURM8 is designed to provide reliable and secure connections and is typically used in applications where signal integrity and signal isolation are required, such as in the connection of a computer peripheral to a motherboard. It is also a cost-effective has made connector, due its plastic insulator construction as well as its shieldless design which eliminates the need for additional wire.The advantages of the L77DEH09SURM8 include its robust construction, secure hermetic seal, and reliable data transmission. It also features an anti-resonance body design, as well as heat-resistant contacts that offer increased protection against vibration and mechanical shock. The connector is specifically designed to meet the RoHS and REACH eco-design requirements. The L77DEH09SURM8 also meets UL and CSA safety requirements, ensuring safety and compliance with stringent industry standards.In conclusion, the L77DEH09SURM8 is a robust and reliable 9-pin female right angle D-Subminiature connector that is ideal for use in a wide range of harsh or rugged environments. It features an electrical connection between the device and the board or device being connected and is designed for transmission of signals with signal integrity, signal isolation, and cost-effectiveness. The robust construction and reliable data transmission offered by the L77DEH09SURM8 make it a popular choice for applications where a secure and reliable connection is necessary.

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