DCMZ21XA4SN

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:	5A, 7.5A
Material Flammability Rating:	UL94 V-0
Ingress Protection:	--
Contact Finish Thickness:	--
Contact Finish:	Gold
Series:	Combo D®, D*M
Features:	Board Lock, 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:	Receptacle, Female Sockets
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 an important subset of electrical connectors commonly used in electronics systems.The design of D-sub connectors often involves two types of components: pins and sockets.Pins are usually made from metal, and sockets usually from plastic and are often metallicized inside.The wires, cables, and mating receptacle shells generally used for D-sub connectors can also come with different sizes and shapes.The name “D-sub” derives from the “D” shape of the B-size connector and the “subminiature” designation, representing the size and type of shell used.Apart from many other connectors, D-sub connectors are a ubiquitous combination of metal pins in a plastic housing.

Features of D-Sub Connectors

The most common feature of D-Sub connectors is that they come with many different sizes, which makes them useful for different types of applications.D-sub connectors come in a wide range of sizes and pin configurations, including male and female configurations, shell sizes, pin counts, and pin diameter.The most common size is the DB25 connector, which has 25 pins arranged in two columns.Other popular sizes include the DB15 connector (which has 15 pins arranged in two columns) and the DB9 connector (which has nine pins arranged in two columns).They can also be customized to have a variety of different pin configurations.Another common feature of D-sub connectors is that they are available in soldered and crimped configurations, with crimp connectors being the most common.Crimp connectors are used when connecting two pieces of wire or cable, and this is a more reliable connection than soldered connections.Crimp connectors also provide better electrical connection, as the crimp ensures a tight fit so that the cable and the connector form a strong bond.

DCMZ21XA4SN Application Field and Working Principle

DCMZ21XA4SN is a 26-pin D-Sub connector designed for use in applications that require a reliable and robust signal connection.The DCMZ21XA4SN connector has a die-cast zinc housing and metal shell, providing excellent insulation and protection from electrical interference.The connector also has a unique combination of 26 pins, arranged in two columns of 13 pins each.This arrangement allows for a wide range of signal connections and ensures reliable, accurate transmission of signals and data.The pins of the DCMZ21XA4SN D-Sub connector are composed of conductive metal, typically brass or gold plated brass. The pins are also surrounded by an insulating material, usually plastic.The pins are arranged in two columns of 13 pins each and are securely fastened into the plastic insulating case.The inner surface of the connector is typically made of a conical shape with a small hole at its center for alignment.To ensure accuracy and reliability, the pins of the DCMZ21XA4SN D-Sub connector are precisely machined to tight tolerances and the assembly clearances are tightly controlled.When connecting the DCMZ21XA4SN D-Sub connector, the plug is inserted into the receptacle, aligning the pins and ensuring an electrical connection.As the connector is inserted, the pin shell contacts on the two sides of the connector electrically connect.The pin shell contacts ensure a reliable electrical connection between the plug and the receptacle and prevent the plug from wiggling or being disconnected due to vibration.The mating of the DCMZ21XA4SN D-Sub connector ensures an extremely reliable connection with minimal signal loss or interference.

Conclusion

D-Sub connectors are an important type of electrical connectors that are extensively used in various applications due to their ability to provide reliable connections and signal transmission.D-Sub connectors, such as the DCMZ21XA4SN, are characterized by their die-cast zinc housing, metal shell, unique 26-pin arrangement, and precision machining.The DCMZ21XA4SN is a versatile and reliable connector, capable of providing low signal loss and interference even in high vibration environments.

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