91615-311ALF

Insulation Color:	Gray
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:	Board Lock, Pick and Place
Ingress Protection:	--
Mated Stacking Heights:	10.81mm
Contact Finish - Post:	Tin
Material Flammability Rating:	UL94 V-0
Operating Temperature:	--
Contact Length - Post:	--
Insulation Height:	0.275" (6.99mm)
Series:	Dubox™
Contact Finish Thickness - Mating:	30.0µin (0.76µm)
Contact Finish - Mating:	Gold
Fastening Type:	Push-Pull
Termination:	Solder
Mounting Type:	Surface Mount
Row Spacing - Mating:	0.100" (2.54mm)
Number of Rows:	2
Pitch - Mating:	0.100" (2.54mm)
Number of Positions Loaded:	All
Number of Positions:	22
Style:	Board to Board
Contact Type:	Female Socket
Connector Type:	Receptacle, Bottom or Top Entry
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction
The 91615-311ALF is a type of rectangular connector, typically used to join two or more electrical circuits or pathways. It is commonly used in the fields of communication, industrial automation, automotive technology, and many other applications. This specific type of rectangular connector is referred to as a “header”, “receptacle”, or “female socket”. Before describing the application field and working principle of the 91615-311ALF, it is essential to understand the specifications and technical features of this type of rectangular connector.
Specifications and Technical Features
The 91615-311ALF is a two-row, 3-pole right angle female socket, with a maximum current rating of 5A and a maximum voltage rating of 400V. It has a UL-94V-2 flammability rating and a double-curled leaf spring contact system, ensuring reliable and secure mating. It is IP67-rated and fully molded with a glow wire seal, so it is both dust and waterproof. Furthermore, the 91615-311ALF has a 3.5mm pitch, allowing space for a vast array of circuit options.
Application Field
Due to its superior specifications and technical features, the 91615-311ALF can be used in many important applications. Its robust design makes it a very popular choice for communication and automotive industries, where it is used for onboard wiring, load sensors, windshield wipers, door locks, and other sensors. It is also used in industrial automation, such as motor control, robotics, and other automation equipment. Similarly, it is very useful in consumer electronics, for the connection of buttons, switches, and various other components. Moreover, due to its waterproof feature, the 91615-311ALF is used in many types of equipment exposed to moisture, such as water tanks, faucets, and irrigations systems.
Working Principle
The 91615-311ALF rectangular header is composed of three main components: the insulator, the contacts, and the protective cover. The insulating material of the connector provides electrical insulation between the contact terminals, ensuring that no electrical current is able to flow through the connector. The contacts provide a through connection between two or more wires, while the protective cover seals the entire assembly, increasing the connector’s resistance to moisture and harsh environmental conditions. The 91615-311ALF is designed such that the contacts make contact with their respective wires. During best-mate, the contact channels are aligned, and the contacts on both ends of the connector snap into place. The contact design allows the contacts to make and hold a secure connection, even during vibrations or extreme temperatures.
Conclusion
In summary, the 91615-311ALF is a type of rectangular connector commonly used for communication, industrial automation, automotive technology, and other applications. It is a two-row, 3-pole right angle female socket, with a maximum current rating of 5A and a maximum voltage rating of 400V. It is highly rated for its reliability and longevity, and is also dust and waterproof. The 91615-311ALF is composed of an insulator, contacts, and a protective cover, and its contacts make and hold a secure connection through a best-mate mechanism. Ultimately, the 91615-311ALF provides a highly reliable and secure connection for a wide range of applications.

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