747836-4

Features:	Board Lock, Ground Strap
Backset Spacing:	0.590" (14.99mm)
Contact Material:	Phosphor Bronze
Wire Gauge:	--
Housing Material:	Thermoplastic
Contact Form:	--
Color:	Black
Voltage Rating:	125V
Operating Temperature:	-55°C ~ 105°C
Current Rating:	6A
Material Flammability Rating:	UL94 V-0
Ingress Protection:	--
Contact Finish Thickness:	30.0µin (0.76µm)
Contact Finish:	Gold
Shell Material, Finish:	Steel, Tin Plated
Series:	AMPLIMITE HD-20
Termination:	Solder
Flange Feature:	Housing/Shell (4-40)
Mounting Type:	Through Hole, Right Angle
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:	Tube

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 Introduction to D-Sub Connectors

A D-sub connector, also known as a DB connector, is a style of connector that is used for a wide variety of electrical systems. They are commonly used in computer systems and electronic equipment, as well as in consumer electronics and telecoms equipment. The term D-sub refers to the distinctive “D” shaped metal shell which houses the associated pins and sockets.

 Types of D-Sub Connectors 

D-sub connectors come in a wide variety of types, sizes, and configurations, each suited to different applications and requirements. The two main categories are large-shell and small-shell connectors.  Large shell connectors are typically used in industrial, military, and medical applications, while small-shell connectors are used in consumer electronics, such as computers, laptops, TVs, and smartphones. D-sub connectors can also be divided by type of assembly - such as crimp, IDC, PCB mounted, twist-on, and latching couplers. Each of these has its own properties, advantages, and applications.

 747836-4 Application Field and Working Principle 

The 747836-4 connector is a large-shell, crimp type connector, designed for use in a range of telecoms applications. The connector has a 30 pin configuration, with 6 rows of 5 pins each, and a depth of 28.58mm. It is designed to provide quick, easy, and secure connection of two or more cables in applications such as telephony, data transfer, and cable TV. The 747836-4 relies on an array of small metal pins, which are crimped onto the ends of each of the cables. This holds the cable tightly in place when the connector is being attached. The connector is attached to the other end of the cable via a crimp-style connection. The pins are soldered into place, and the connector is secured with a locking mechanism. This provides long-lasting secure connections with minimal maintenance required.

 Advantages of D-Sub Connectors 

D-sub connectors offer many advantages over other types of connectors. Due to their robust design, they are highly resistant to deformation, dust, and other harsh environmental conditions, making them suitable for industrial and military use. They also provide an economical way to connect multiple cables, and can be easily customized to fit a variety of applications. Additionally, the mating parts of most D-sub connectors are gender-specific, which prevents accidental misconnection.

 Conclusion 

The 747836-4 is a large-shell, crimp style D-sub connector that is designed for telecoms applications. It is well-suited for use in harsh environments, and is highly resistant to loosening, deformation, and dust. Additionally, its pins are soldered in place, providing reliable connections with minimal maintenance requirements. D-sub connectors like the 747836-4 offer a variety of advantages including resistance to environmental conditions, cost-effectiveness, and the ability to customize them for many applications.

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