749234-2

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:	--
Contact Finish:	Gold
Shell Material, Finish:	Steel, Nickel Plated
Series:	AMPLIMITE HD-22
Termination:	Solder
Flange Feature:	Mating Side, Female Screwlock (4-40)
Mounting Type:	Through Hole, Right Angle
Contact Type:	Signal
Shell Size, Connector Layout:	5 (DD, D) High Density
Number of Rows:	4
Number of Positions:	78
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Part Status:	Obsolete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 of D-Sub Connectors

D-Sub Connectors are widely used in communication, computer, control system, measuring instrument and other fields for the convenient connection of signal lines between various digital or analog signal transmission electronics or equipment. They are commonly known as connectors. It is a connector that consists of two parts, the shell and the terminal, which are connected by plug and socket. The contacts of the sub-connector are made of high-quality contact materials, which are rust-proof, wear-resistant, heat-resistant, and have good electrical conductivity.

749234-2 Application Field and Working Principle

749234-2 is a high-performance and high-density type of D-Sub Connector. It is widely used in the communication, computer, measuring instrument and other fields for the direct connection of signal lines and transmission of analog or digital signals. The 749234-2 D-Sub Connector is a press-fit type of connector, which uses metal clips to secure the contacts in place and prevents contact damage due to vibration, shock or other physical force. It has an insertable and withdrawable mating structure, which is used for the simultaneous connection of multiple contact pins and shielding.The internal structure of the 749234-2 D-Sub Connector consists of two parts: the shell and the contact. The contact part is divided into two sections, the male contact and the female contact, with one type of contact holding the signal line at one end and the other the other end. The 749234-2 connector also has a shield section that helps reduce electromagnetic interference and radio frequency interference. The connection method of the 749234-2 D-Sub Connector is simple and reliable, and it is capable of withstanding a large amount of vibration and force. This makes it suitable for long-term integration and use of multiple contact points and stable signal transmission.

Conclusion

In conclusion, the 749234-2 D-Sub Connector is widely used in the communication, computer, measuring instrument and other fields for the direct connection of signal lines and transmission of analog or digital signals. It is a press-fit type of connector, which uses metal clips to secure the contacts in place and prevent any contact damage due to vibration, shock or other physical force. With a simple and reliable connection method, the 749234-2 D-Sub Connector is also able to withstand a large amount of vibration and force, making it suitable for long-term integration and use of multiple contact points and stable signal transmission.

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