DBM21H1S0L4A191

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:	30.0µin (0.76µm)
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 Power
Shell Size, Connector Layout:	3 (DB, B) - 21W1
Number of Rows:	2
Number of Positions:	21 (20 + 1 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 To D-Sub Connectors

D-Sub connectors, also known as D-subminiature connectors, are a type of electrical connectors that are used primarily in computers, office equipment, telecommunications, and other electronic equipment. The connectors feature two- or three-piece shells made of plastic or metal shielding material that protect the pins from dust and moisture. They are designed to offer a secure connection point for wiring and signal paths.

DBM21H1S0L4A191 Application Field And Working Principle

DBM21H1S0L4A191 D-sub connectors are designed for use in a variety of applications, including medical electronics, sensors, modems, surveillance cameras, telecommunications systems, and industrial process automation. These connectors are typically found on computers, servers, and other electronic equipment. They also meet all RoHS, FCC, and CE requirements.The working principle of the DBM21H1S0L4A191 connector is based on the contact between the socket and the pin. The pin is inserted into the socket and the socket is held down with a screw or other fastening system. As the pin and socket are forced together, it creates a secure electrical connection. This connection is retained until either the pin or the socket is moved or disturbed.

Benefits of Using DBM21H1S0L4A191 Connectors

DBM21H1S0L4A191 connectors offer a number of advantages over other connector types. They are extremely reliable and durable, making them ideal for use in harsh environments and applications that involve frequent vibrations or contact with liquid media such as water or fuel.They also offer a high level of noise rejection, which is critical for applications such as telecommunications and industrial automation. The connector also features a low signal attenuation for transmitting high-precision signals over distances of up to 50 feet.The connectors are designed for easy installation and require minimal maintenance. The connectors are also relatively inexpensive and can be customized to meet specific requirements.

Conclusion

The DBM21H1S0L4A191 D-Sub connector is an ideal choice for a variety of applications, including medical electronics, sensors, modems, surveillance cameras, telecommunications systems, and industrial process automation. It offers high levels of noise rejection and low signal attenuation, and can be customized to meet specific requirements. The connectors are rugged, reliable, and require minimal maintenance. Moreover, they are extremely affordable, making them a cost-effective solution for many applications.

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