Shell Material, Finish:	Steel, Yellow Chromate Plated Zinc
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:	7.5A
Material Flammability Rating:	UL94 V-0
Ingress Protection:	--
Contact Finish Thickness:	Flash
Contact Finish:	Gold
Series:	Combo D®, D*M
Features:	Shielded
Termination:	Solder
Flange Feature:	Housing/Shell (Unthreaded)
Mounting Type:	Panel Mount, Through Hole
Contact Type:	Signal and Coax or Power (Not Included)
Shell Size, Connector Layout:	4 (DC, C) - 21WA4
Number of Rows:	2
Number of Positions:	21 (17 + 4 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

DCM21WA4PN application field and working principle

DCM21WA4PN is one of the most widely used D-Sub connectors. It is a popular type of electronic connector in the telecommunication, automotive, aerospace, optical and medical industries. The DCM21WA4PN is designed with an integrated contact pin that is attached to the cover frame contact. It is often used for signal routing, mounting and connection. DCM21WA4PN is a versatile connector that can meet the needs of many different applications.The working principle of the DCM21WA4PN is simple. It uses a contact pin to provide electrical connection between the contact frames. The contact pin is attached to the cover frames of the connector. Once the contact pin is inserted into the hole of the contact frame, it is secured by the spring mechanism that keeps it in place. This allows for an electrical connection between the contact frames and the pins. DCM21WA4PN is designed with high quality materials for a reliable connection. The contact pin is made from copper and gold plating, and the contact frames are made from stainless steel or brass. The contact frames are also designed to be easy to install and remove. The connector also has a shield that helps reduce EMI and RFI interference. DCM21WA4PN is designed for use in a variety of applications. It can be used in applications such as automotive, medical, aerospace, optical, telecommunication, and industrial applications. It is also used in the LED industry for connecting LED chips and display panels. The DCM21WA4PN connector is also a cost-effective solution. It is designed to be affordable and reliable. In addition, the connector is designed to work with a wide range of cables, including coaxial, twinax, and fiber optic cables. Overall, the DCM21WA4PN is a reliable, affordable, and versatile connector suitable for many different applications. It is used in various industries for connecting and mounting wires and cables. With its high-quality materials and design, the DCM21WA4PN connector is an ideal choice for many applications.

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Part Number	Manufacturer	Price	Quantity	Description