749771-2

Features:	Board Lock, Grounding Indents
Backset Spacing:	0.350" (8.89mm)
Contact Material:	Brass
Wire Gauge:	--
Housing Material:	Polybutylene Terephthalate (PBT), Polyester, Glass Filled
Contact Form:	--
Color:	Black
Voltage Rating:	125V
Operating Temperature:	-55°C ~ 105°C
Current Rating:	2A
Material Flammability Rating:	UL94 V-0
Ingress Protection:	--
Contact Finish Thickness:	15.0µin (0.38µm)
Contact Finish:	Gold
Shell Material, Finish:	Steel, Nickel Plated
Series:	AMPLIMITE HD-22
Termination:	Solder
Flange Feature:	Housing/Shell (4-40)
Mounting Type:	Through Hole, Right Angle
Contact Type:	Signal
Shell Size, Connector Layout:	3 (DB, B) High Density
Number of Rows:	3
Number of Positions:	44
Connector Type:	Plug, Male Pins
Connector Style:	D-Sub, High Density
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Tray

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Introduction

D-Sub Connectors are one of the most commonly used connectors in the electronic industry. The 749771-2, specifically, is a type of D-Sub Connector that is used for electrical connections between devices. This article will explain the application fields and working principle of the 749771-2 D-Sub Connector.

Application Fields

The 749771-2 D-Sub Connector is mainly used in automotive and communication systems. Automotive applications where the 749771-2 is used include power supply, vehicle-mounted cameras, and various vehicle diagnostic systems. On the other hand, communication applications include cameras, digital telephones, and various other consumer communication devices.Due to its reliability and high electrical performance, the 749771-2 is also used in commercial grade applications such as industrial equipment, medical systems, and computer peripherals. In addition, the 749771-2 is popularly used in the consumer and home entertainment market due to its low cost and convenient size.

Working Principle

The 749771-2 D-Sub Connector consists of 2 main components: a male connector and a female connector. The male connector is usually attached to the cable or device being connected, while the female connector is usually attached to the target device.The male connector has contact pins on its rear side that connect with the female connector when the male connector is inserted. The female connector contains a set of contacts that make electrical contact with the male connector\'s contacts to create a reliable and secure connection.In addition, the 749771-2 has two flexible retention clips on the female connector to provide extra stability and ensure that the connectors will not come loose or become disconnected in rough environments.

Conclusion

The 749771-2 D-Sub Connector is a reliable and widely used type of D-Sub Connector. It is mainly used in automotive and communication systems, but can also be used in industrial equipment, medical systems, and computer peripherals. The 749771-2 consists of a male connector with contact pins and a female connector with contacts and retention clips to form a secure connection.

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