4-102974-0-28

Operating Temperature:	-65°C ~ 105°C
Insulation Height:	0.138" (3.50mm)
Contact Shape:	Square
Contact Finish - Mating:	Gold
Contact Finish Thickness - Mating:	15.0µin (0.38µm)
Contact Finish - Post:	Tin-Lead
Contact Material:	Copper Alloy
Insulation Material:	Thermoplastic
Features:	--
Overall Contact Length:	--
Ingress Protection:	--
Material Flammability Rating:	UL94 V-0
Insulation Color:	Black
Current Rating:	3A
Voltage Rating:	--
Mated Stacking Heights:	--
Contact Finish Thickness - Post:	100.0µin (2.54µm)
Applications:	--
Number of Positions Loaded:	All
Packaging:	Bulk
Part Status:	Discontinued at Digi-Key
Connector Type:	Header, Breakaway
Contact Type:	Male Pin
Pitch - Mating:	0.100" (2.54mm)
Number of Positions:	28
Number of Rows:	1
Row Spacing - Mating:	--
Series:	AMPMODU Mod II
Style:	Board to Board or Cable
Shrouding:	Unshrouded
Mounting Type:	Through Hole, Right Angle
Termination:	Solder
Fastening Type:	Push-Pull
Contact Length - Mating:	0.318" (8.08mm)
Contact Length - Post:	0.110" (2.79mm)

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Rectangular Connectors - Headers, Male Pins

Rectangular connectors, also known as headers, male pins and related components, are electromechanical devices used to connect electrical circuits. They are used in a wide variety of applications including computer and cellphone connections, automotive systems, and printed circuit boards.

Types of Rectangular Connectors:

Rectangular connectors come in a variety of styles depending on the application. Common types include single row, double row, and mezzanine, which are available with various numbers of connectors ranging from 4-102974-0-28. They can be either male or female, with specialized pins that fit into each individual socket.

Connector Configurations:

Rectangular connectors are available in a variety of configurations, including in-line, angled, and half-pitch forms. The positioning of each connection pin depends on the application and the number of contact points. Longer connectors typically have fewer contact points, while shorter connectors may have more.

Connector Materials:

Rectangular connectors are typically made from a variety of metals such as brass, nickel-plated brass, and stainless steel. Specialty materials such as Teflon and polycarbonate may also be used, as well as various insulation materials.

Connector Sealing:

The housings of rectangular connectors may be sealed against environmental elements such as water and dust. This is typically done by the use of rubber or silicone O-rings, which have to be replaced over time. For connectors used in marine or medical applications, neoprene or epoxy seals may also be used to ensure a more secure and reliable connection.

Connector Compatibility:

In order to ensure compatibility between different connectors, each pair of connectors must be made from the same material and have the same contact type, pitch, and configuration. Additionally, the connectors must also be of the same pin size and have the same risk profile.

Connector Applications:

Rectangular connectors are used in many electronic applications. They are used to connect wire leads to circuit boards and other electronic components, such as sensors, switches, and relays. They are also used to connect communications lines between devices, such as phones and computers, as well as to link power supplies between components.

Working Principle:

Rectangular connectors work by creating an electrical connection between two components. The components are typically connected using a wire or ribbon cable with the connector pins on each end. The pins fit into corresponding ports on each component, creating a secure connection that allows electricity to flow between them. This connection is maintained by the use of an insulated housing or sleeve.

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