71991-302H

Series:	Dubox™
Packaging:	Tube
Part Status:	Obsolete
Connector Type:	Receptacle, Bottom or Top Entry
Contact Type:	Female Socket
Style:	Board to Board
Number of Positions:	4
Number of Positions Loaded:	All
Pitch - Mating:	0.100" (2.54mm)
Number of Rows:	2
Row Spacing - Mating:	0.100" (2.54mm)
Mounting Type:	Through Hole
Termination:	Solder
Fastening Type:	Push-Pull
Contact Finish - Mating:	Gold
Contact Finish Thickness - Mating:	30.0µin (0.76µm)
Insulation Color:	Gray
Insulation Height:	0.275" (6.99mm)
Contact Length - Post:	0.118" (3.00mm)
Operating Temperature:	--
Material Flammability Rating:	UL94 V-0
Contact Finish - Post:	Tin
Mated Stacking Heights:	11.04mm
Ingress Protection:	--
Features:	--
Current Rating:	--
Voltage Rating:	--
Applications:	Automotive, General Purpose, Industrial, Telecommunications
Insulation Material:	Thermoplastic, Glass Filled
Contact Shape:	Square
Contact Material:	Phosphor Bronze
Contact Finish Thickness - Post:	78.7µin (2.00µm)

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Rectangular Connectors - Headers, Receptacles, Female Sockets

 The 71991-302H connector is an example of a rectangular connector utilized in electrical engineering and production. This type of connector facilitates the formation of a secure connection between two separate components which is then employed to transmit electric signals. It is commonly found in applications ranging from the assembly of computer motherboards to the development of consumer electronics.

Part Number Specifications

The 71991-302H is a special rectangular connector created by a specific design and construction style. The resolution of color coding used to label this type of connector is 2.5mm. This part number can be identified by its 2mm pitch and 30-way, 2 row, with tin over copper wrapped (WLC) terminals. It is a modular one-piece design and includes a plastic insulating body featuring a natural color.

Connector Construction and Materials

The 71991-302H is comprised of an insulating material known as diallylphthalate (DAP) which is injection molded and further treated with flame retardant. The two rows of pins inside the connector consist of phosphor bronze with a tin over copper wrapped finish. A metal shield is also included in the construction which acts as a means of securing retention capability. The 71991-302H has a maximum current carrying capacity of 1A.Overall, the construction of the 71991-302H is designed to provide a durable, long-term connection with optimal level of electrical conductance. Its dimension is 15mm x 20mm, making it suitable for a variety of applications.

Application Field and Working Principle

71991-302H is applied in various industries for a variety of functions. This type of connector is commonly used in the assembly of computer motherboards, the development of consumer electronics, as well as in communications technology. They typically facilitate the transmission of signals through connection of two components via a pin-type connection.The 71991-302H connector works by utilizing the commonly adopted connector principle. A set of mating contacts are in place to allow electric signals to be securely transmitted between two separate components. The pins of the connector are non-removable and employ 6-32 threading for convenient, effortless attachment. Electrical signals can then be transmitted between components securely with minimal loss of power. The 71991-302H connector is equipped along its body with metal shield that serves as a secure retention capability for the pins. This metal shield ensures that the connector is durable was well as protected from any external interference such as electromagnetic field. Additionally, the insulated body of the connector acts as a buffer from any external disturbances. With its construction and design, the 71991-302H connector is able to provide a reliable and secure signal transmission.

Operating Specifications and Performance

The 71991-302H connector operates at a temperature range between -40°C and +105°C, making it suitable for a variety of environmental conditions. With its flame retardant material construction, the connector is also resistant to fire and impacts. Additionally, the 71991-302H connector possesses a UL rating, making it a reliable choice for the protection of electronic components. Furthermore, the 71991-302H connector is engineered with a current carrying capability of 1A. This ensures that the 71991-302H connector is able to easily handle the electrical load it is faced with and offers sufficient protection against electrical overloads.

Conclusion

The 71991-302H connector represents a secure and reliable connection solution for a range of applications. With its design and construction, it is able to easily handle currents up to 1A, making it suitable for the development of computer systems and consumer electronics. Additionally, its flame retardant material and efficient design permits it to maintain a secure connection with minimal power loss despite potential external interference. Lastly, the environmental temperature range it can withstand and UL rating guarantees its safety when it comes to protecting electronic components.

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