Shell Material, Finish:	Steel, Yellow Chromate Plated Cadmium
Backset Spacing:	--
Contact Material:	Copper Alloy
Wire Gauge:	8-26 AWG
Housing Material:	Polycyclohexylenedimethylene Terephthalate (PCT)
Contact Form:	Machined
Color:	Black
Voltage Rating:	--
Operating Temperature:	-55°C ~ 150°C
Current Rating:	7.5A
Material Flammability Rating:	UL94 V-0
Ingress Protection:	--
Contact Finish Thickness:	50.0µin (1.27µm)
Contact Finish:	Gold
Series:	24308-Style, Combo D®, D*MM
Features:	Shielded
Termination:	Solder Cup
Flange Feature:	Housing/Shell (Unthreaded)
Mounting Type:	Panel Mount
Contact Type:	Signal and Coax or Power (Not Included)
Shell Size, Connector Layout:	5 (DD, D) - 24W7
Number of Rows:	2
Number of Positions:	24 (17 + 7 Coax or Power)
Connector Type:	Plug, Male Pins
Connector Style:	D-Sub, Combo
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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D-Sub Connectors

A DDMM-24W7P-A101 is a type of D-Sub Connectors, which comprises a set of pins in two rows that can connect electrical circuits together. It is mainly used in industrial and commercial applications and has ground and shell options too. In this article, we will discuss the application field and working principle of this connector.

Application field

DDMM-24W7P-A101 connectors are most often used in networking cables, primary consumer electronics, power connectors for transportation, industrial controls, and power connectors for medical applications. This is due to their robust construction, high performance, mechanical reliability, and high density contacts. DDMM-24W7P-A101 connectors are also used in data communication systems, such as bus systems, storage devices, modems, signal management systems, and so on. They serve as HDTV connector cables, allowing data to be transmitted in the highest of quality audio and video formats.

Working Principle

The working principle of DDMM-24W7P-A101 connectors is based on the physical phenomenon of electrical resistance. There are a number of contacts on the connector. These have a certain resistance which varies depending on the material used. When the electrical current passes through the pins on the connector, the contact resistance produces a voltage drop, this being called the contact potential. Depending on the current strength, the contact potential can vary significantly. If the current exceeds the contact potential, the pins can overheat and damage the device. As such, the contact potential is carefully designed so that it is sufficient to carry the desired level of current without any damage to the device. Another important factor in the working principle of the DDMM-24W7P-A101 connector is its electrical insulation property. Insulation is necessary to prevent the current from crossing the contacts and damaging sensitive components. The insulation material used for the connectors is usually made of a special type of thermoplastic that can withstand temperatures of up to 1000°F. Lastly, the mechanical integrity of the connectors is also important. Poorly designed connectors can lead to contact failure as vibrations can loosen the contacts over time. To ensure reliable contact performance, the connectors are designed with an anti-vibration design. This ensures that the contacts remain firmly locked in place, even with significant vibration.

Conclusion

DDMM-24W7P-A101 connectors are an essential component of many commercial and industrial applications. Their robust construction, high performance, mechanical reliability, and high density contacts make them ideally suited for many applications. Their contact potential and electrical insulation property are important considerations when connecting electrical circuits, and their anti-vibration design ensures reliable contact performance.

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