L77DB25S Connectors, Interconnects

Series:	D
Packaging:	Tray
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Connector Style:	D-Sub
Connector Type:	Receptacle, Female Sockets
Number of Positions:	25
Number of Rows:	2
Shell Size, Connector Layout:	3 (DB, B)
Contact Type:	Signal
Mounting Type:	Free Hanging (In-Line)
Flange Feature:	Housing/Shell (Unthreaded)
Termination:	Solder Cup
Features:	--
Shell Material, Finish:	Steel, Tin Plated
Contact Finish:	Gold
Contact Finish Thickness:	8.00µin (0.203µm)
Ingress Protection:	--
Material Flammability Rating:	UL94 V-0
Current Rating:	7.5A
Operating Temperature:	-55°C ~ 125°C
Voltage Rating:	300V
Color:	Black
Contact Form:	Machined
Housing Material:	Thermoplastic, Glass Filled
Wire Gauge:	--
Contact Material:	Brass
Backset Spacing:	--

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Introduction

The D-Sub connectors, or D-Subminiature connectors, are a family of electrical connectors which are typically used to connect computer components of different types. The D-Sub family contains two types of connectors: HD and LD. The HD connectors have higher current ratings and are better suited for connecting higher-powered devices. The LD connectors, on the other hand, have lower current ratings and are more suitable for lower-powered devices. One of the most popular D-Sub connectors is the L77DB25S. This article will discuss the application field and working principle of the L77DB25S connector.

Application Field

The L77DB25S connector is used for connecting various types of computer hardware components. It is often used in the connection of external hard drives and optical drives. It is also commonly used to connect printers, scanners, and other similar peripherals. Additionally, the connector is used to connect ISA cards to the computer\'s motherboard. The L77DB25S is also a popular choice for connecting power supplies and monitor cables.

Working Principle

The L77DB25S connector is a standard 25-pin connector. It consists of two halves, which are connected by a metal latch. The male half contains 25 pins, which are organized into two rows. The female half contains 25 holes or sockets into which the pins fit. The two halves are held together with a locking mechanism. When the connector is inserted into the socket, the mechanism holds it firmly in place. The pins and sockets are designed in such a way that when the connector is inserted correctly, the current will flow through the correct pins and sockets.

Conclusion

The L77DB25S connector is a type of D-Sub connector. It is a popular choice for connecting various types of computer hardware components such as external hard drives, optical drives, printers, scanners, ISA cards, power supplies, and monitor cables. The connector consists of two halves, which are connected by a metal latch and held together with a locking mechanism. When the connector is inserted correctly, the current will flow through the correct pins and sockets.

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