0709854006

Series:	Low Force Helix (LFH™) 70985
Packaging:	Tray
Lead Free Status / RoHS Status:	--
Part Status:	Active
Type:	Signal
Contact Type:	Female Socket
Contact Form:	Stamped
Wire Gauge:	28-36 AWG
Contact Termination:	Solder, PCB
Contact Material:	Copper Alloy
Contact Finish:	Gold
Contact Finish Thickness:	30.0µin (0.76µm)
Termination Finish:	Tin
Termination Finish Thickness:	100µin (2.54µm)
Contact Size:	--
Features:	Matrix Terminal Strip

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Introduction to 0709854006 D-Sub, D-Shaped Connectors - Contacts

D-sub, D-shaped connectors and contacts are common electrical connectors used to join signals, wires and cables in many different application fields. They come in a variety of shapes and sizes and have a long history of being a reliable connector for many different tasks.

Types and Uses of 0709854006 D-Sub Connectors and Contacts

D-sub connectors are classified according to the size and number of contact pins they contain. The most common types are the DB15, DB25 and DB37. The DB15 is the smallest and most common type and is used for low-level analog interface signals, digital I/O signals, and telephone lines. The DB25 is slightly larger and mostly used to connect printers, scanners and some types of multimedia equipment. The DB37 is larger still and is often used in computers for the communications interface. Apart from these popular types, there are also many other less common variations with different pin-out and shell constructions available for specific purpose applications. For example, the DVIDA series is a smaller alternative to the DB15 and is suitable for digital video signals, while the DB9F is a military-spec connector with special dust covers and an extended contact surface designed to withstand extreme environments.

0709854006 D-Sub Connector and Contact Design and Working Principle

D-sub connectors consist of two mating shells; a \'D\'-shaped male shell with metal contacts, and a female shell with plastic sockets that hold the contact pins. The contact pins are usually made from phosphor bronze or beryllium copper, and the male shell has solder cups and straps that mate with the pins and sockets in the female shell. The contact pins are designed to make electrical contact when the shells are aligned and pressed together.The contact area of a typical D-sub connector is divided into two levels; the Top Level (T-Level) and the Bottom Level (B-Level). The T-Level contains the high-power contacts and has larger contact surfaces made from thicker materials, while the B-Level contains the low-power contacts and has smaller contact surfaces made from thinner materials. The connection between the contact pins and the shells is designed to be as secure as possible. In the case of solder-based connections, flux is usually added to the solder to improve adhesion and keep the contact surfaces clean to reduce contact resistance.The working principle of a D-sub connector is based on the contact surfaces of the shells being aligned and pressed together. This forces the contact pins inside the shells to make electrical contact and transfer the signals. The secure connection between the shells and contact pins ensures that no resistance is added to the signal path and that the connection remains secure and reliable.

Conclusion

D-sub, D-shaped connectors and contacts are a versatile, reliable and cost-effective connector solution for many different applications. With a variety of sizes and styles to choose from, you should have no trouble finding a suitable connector for your needs. The design and working principle of the connectors are simple, which makes them easy to use and service.

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