4-102974-0-09

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:	9
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, are a type of electrical or electronic connector. Generally, they consist of two or more metal pins or contacts that are typically soldered onto a circuit board. Headers, male pins, and other connectors are used to create an electrical connection between two or more components.The 4-102974-0-09 is a type of rectangular connector used commonly in a variety of applications. It is a two-row, 28-pin connector with standard 4.2mm pitch. It features an integral locking system with detent locks that snap into placed when mated. The contacts are gold-plated for improved electrical performance and long-term reliability.In terms of applications, the 4-102974-0-09 is commonly used for networking, automation systems, robotics, communications, and industrial control. It is also commonly used in aerospace and automotive applications. Its relatively small size and integral locking system make it well suited for use in high-vibration environments or other applications where a secure connection is necessary.The basic working principle of a rectangular connector is simple, and can be summarized as follows. The contact pins, which are affixed to the device, fit into mating sockets. These sockets contain a spring that provides pressure on the contact pins, creating an electrical connection. The contact pins can either be soldered or held in place by a soldering process, depending on the application requirements.When a 4-102974-0-09 connector is mated, an audible click can usually be heard, indicating that the detent locks are engaged. This helps to ensure a secure electrical connection between the two components. Once the two components are mated, the connection remains secure until it is disengaged. The integral locking system is designed to resist vibration and other environmental changes that can cause the connection to be broken.Rectangular connectors, such as the 4-102974-0-09, provide a reliable and cost-effective way of connecting electrical components. With its high reliability and durable construction, it is well suited for use in a variety of applications, and its integral locking system ensures that the connection remains secure and reliable over time.

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