DCMV21XA4PNK87

Shell Material, Finish:	Steel, Tin-Nickel Plated
Backset Spacing:	--
Contact Material:	Copper Alloy
Wire Gauge:	--
Housing Material:	Polycyclohexylenedimethylene Terephthalate (PCT)
Contact Form:	--
Color:	Black
Voltage Rating:	--
Operating Temperature:	-55°C ~ 125°C
Current Rating:	5A, 7.5A
Material Flammability Rating:	UL94 V-0
Ingress Protection:	--
Contact Finish Thickness:	Flash
Contact Finish:	Gold
Series:	Combo D®, D*M
Features:	Grounding Indents, Shielded
Termination:	Solder
Flange Feature:	Board Side (4-40)
Mounting Type:	Panel Mount, Through Hole
Contact Type:	Coax and Signal
Shell Size, Connector Layout:	4 (DC, C) - 21WA4
Number of Rows:	2
Number of Positions:	21 (17 + 4 Coax)
Connector Type:	Plug, Male Pins
Connector Style:	D-Sub, Combo
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction to D-Sub Connectors

D-sub connectors are a type of electrical connector that is commonly used in a variety of applications such as computers, audio/video equipment, and telecommunications. D-sub connectors are characterized by their distinctive locking mechanism and are named in reference to their D-shaped shell with multiple contact points. Since their inception in the early 1950s, D-sub connectors have been an integral part of consumer electronic devices. Originally developed by ITT Cannon, D-sub connectors are still widely used in everything from aviation to industrial applications.

DCMV21XA4PNK87 D-sub Connectors

The DCMV21XA4PNK87 is a type of D-sub connector. It is a standard D-sized connector built to accept 26 AWG through 12 AWG wire. It is designed for use in harsh, outdoor environments and is able to withstand high levels of vibration. The DCMV21XA4PNK87 provides a secure, reliable connection for a variety of applications. It features a bronze alloy connector body, a phosphor bronze insert, and a nickel-plated aluminum shell. It also features a thread-retaining ring design for maximum strength.

DCMV21XA4PNK87 Application Field and Working Principle

The DCMV21XA4PNK87 D-sub connector is well suited for applications such as audio and video equipment, instrumentation, and communications. It is designed to reliably hold signals in any number of environments. The working principle of the DCMV21XA4PNK87 is simple. The insert of the connector is made of phosphor bronze, which is designed to provide a secure connection with minimal contact resistance. The connector body itself is made of bronze, which is resistant to corrosion and provides structural support for the connector. The DCMV21XA4PNK87 connector uses a threaded retaining ring to hold the connector in place and eliminate the need for additional hardware. The nickel-plated aluminum shell—which serves as a protective housing for the connector—ensures that the connection is secure and will withstand extreme weather conditions.

Conclusion

The DCMV21XA4PNK87 is a reliable D-sub connector that is well suited for a variety of applications. It is designed for use in harsh outdoor environments and is able to withstand high levels of vibration. Its threaded retaining ring design eliminates the need for additional hardware and provides a secure, reliable connection. By using a phosphor bronze insert and a bronze connector body, the connectors are able to maintain secure, low contact resistance connections.

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