DCMN21HA4SN

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, 40A
Material Flammability Rating:	UL94 V-0
Ingress Protection:	--
Contact Finish Thickness:	Flash
Contact Finish:	Gold
Series:	Combo D®, D*M
Features:	Board Lock, Shielded
Termination:	Solder
Flange Feature:	Mating Side, Female Screwlock (4-40)
Mounting Type:	Panel Mount, Through Hole
Contact Type:	Signal and Power
Shell Size, Connector Layout:	4 (DC, C) - 21WA4
Number of Rows:	2
Number of Positions:	21 (17 + 4 Power)
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

D-Sub Connectors are commonly used in electrical and digital applications due to their strength, reliability, and durability. The DCMN21HA4SN model is a particularly robust and versatile four-pin connector that is perfect for a wide range of applications. In this article, we will discuss the application field and working principle of the DCMN21HA4SN D-Sub Connector.

Application Field

The DCMN21HA4SN is typically used in applications that require a robust physical connection with enough electrical power or signal transmission to complete the task. This type of connector is often found in industrial machinery, medical equipment, telecommunications, and computer systems. It is especially popular in data acquisition systems, where it is used to connect and mount hardware devices.The DCMN21HA4SN is also often used in automotive and aircraft applications. It is designed to provide a physical connection that is not affected by vibration or other electrical interference, making it an ideal choice for these types of applications.

Working Principle

The DCMN21HA4SN is comprised of a four-pin connector body, two dielectric insulators, four signal pins, and two power pins. The connector body is made of a durable polycarbonate plastic that resists corrosion and rust. The dielectric insulators are designed to prevent cross-talk and signal interference. The pins are made of a copper alloy that is highly conductive and resistant to corrosion.When the connector is plugged into a device, the four signal pins transfer electrical signals through the connector body to the signal pins of the device. At the same time, the two power pins transfer electrical current to the device, providing power to the device.

Conclusion

The DCMN21HA4SN is a reliable and robust four-pin connector that is perfect for a wide range of applications. It is an ideal choice for those needing a connection that can handle a high amount of electrical power or data transfer. When used in conjunction with its two power pins and four signal pins, it is able to safely and conveniently connect and mount hardware devices.

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