75915-421LF

Insulation Color:	Blue
Contact Finish Thickness - Post:	78.7µin (2.00µm)
Contact Material:	Phosphor Bronze
Contact Shape:	Square
Insulation Material:	Thermoplastic, Glass Filled
Applications:	Automotive, General Purpose, Industrial, Telecommunications
Voltage Rating:	--
Current Rating:	--
Features:	--
Ingress Protection:	--
Mated Stacking Heights:	--
Contact Finish - Post:	Tin
Material Flammability Rating:	UL94 V-0
Operating Temperature:	--
Contact Length - Post:	0.114" (2.90mm)
Insulation Height:	0.335" (8.51mm)
Series:	Dubox™
Contact Finish Thickness - Mating:	78.7µin (2.00µm)
Contact Finish - Mating:	Tin
Fastening Type:	Push-Pull
Termination:	Solder
Mounting Type:	Through Hole
Row Spacing - Mating:	--
Number of Rows:	1
Pitch - Mating:	0.100" (2.54mm)
Number of Positions Loaded:	All
Number of Positions:	21
Style:	Board to Board
Contact Type:	Female Socket
Connector Type:	Receptacle
Part Status:	Active
Packaging:	Tube

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Rectangular Connectors - Headers, Receptacles, Female Sockets

Rectangular connectors, headers, receptacles and female sockets are widely used in almost every type of electronic application and come in a variety of sizes, terminations, housings and contact arrangements. Among the most common rectangular connector types is the 75915-421LF. This versatile connector is used in a wide variety of applications where low cost, strong reliability and low profile are required.

Applications

The 75915-421LF is primarily designed as a 1A socket contact. It uses a friction locking design for easy field installation, and its small size makes it well-suited for many applications, including telecommunications equipment, industrial control equipment, medical equipment, automobiles, and consumer electronics. The 75915-421LF is also used in data transmission and circuit protection applications. Its unique construction allows connections to be made on both sides of the connector, enabling the transmission of data such as Ethernet over coaxial cables and transmitting digital audio and video signals. Additionally, the 75915-421LF can be used to provide circuit protection against excessive power transients and over current faults.

Working Principle

The 75915-421LF has a simple yet effective design consisting of a plug shell or housing, a contact and a terminal. The housing and contact are covered with a dielectric plastic material to provide electrical insulation. The contact is made of brass and features gold plating for superior conductivity and corrosion resistance. The contact is then soldered to the terminal and the connector is ready for use. When mechanical force is applied to the connector, the contact is pushed against the terminal\'s contact point. This creates an electrical connection, enabling the transfer of electricity and data between two electrical components. The contact is secured in place using friction, which prevents it from vibrating loose or coming disconnected during use.

Conclusion

The 75915-421LF is a versatile rectangular connector widely used in a variety of electronic applications. It uses a reliable friction locking design for easy installation and features a small size, a brass contact with gold plating for superior conductivity and corrosion resistance, and dielectric plastic material for electrical insulation. These features make it a great choice for telecommunication equipment, industrial control equipment, medical equipment, automobiles, consumer electronics, circuit protection and data transmission applications.

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