SQT-149-03-F-Q

Insulation Color:	Black
Contact Finish Thickness - Post:	--
Contact Material:	Phosphor Bronze
Contact Shape:	Square
Insulation Material:	Liquid Crystal Polymer (LCP)
Applications:	--
Voltage Rating:	450VAC
Current Rating:	5.1A per Contact
Features:	--
Ingress Protection:	--
Mated Stacking Heights:	--
Contact Finish - Post:	Tin
Material Flammability Rating:	UL94 V-0
Operating Temperature:	-55°C ~ 125°C
Contact Length - Post:	0.208" (5.28mm)
Insulation Height:	0.250" (6.35mm)
Series:	SQT
Contact Finish Thickness - Mating:	Flash
Contact Finish - Mating:	Gold
Fastening Type:	Push-Pull
Termination:	Solder
Mounting Type:	Through Hole
Row Spacing - Mating:	0.079" (2.00mm)
Number of Rows:	4
Pitch - Mating:	0.079" (2.00mm)
Number of Positions Loaded:	All
Number of Positions:	196
Style:	Board to Board or Cable
Contact Type:	Forked
Connector Type:	Receptacle
Part Status:	Active
Packaging:	Tube

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SQT-149-03-F-Q application field and working principleThe SQT-149-03-F-Q portfolio is one of Samtec’s most versatile and widely used rectangular connectors, and a member of the Samtec connectors family Headers, Receptacles, Female Sockets. This family consists of a lineup of multiple boards that are used in various electronic applications. It is also used in a variety of other industrial applications. The use of SQT-149-03-F-Q connectors can increase the efficiency of different production processes and operations.The boards of SQT-149-03-F-Q are made of high strength and durable materials such as aluminum, brass, and high temperature plastic. This material enhances its reliability and stability over time. They have an exceptional level of durability, strength and resistance to oxidation and corrosion. The connectors are also designed to meet stringent industry standardization requirements. The connectors have a two level soldering design which ensures reliable connections for both one and two levels of power applications.The SQT-149-03-F-Q rectangular connectors also offer the user the ability to customize the design of the header. This makes it easier to fit different types of boards to the boards. The customization options include the size, the shape and the number of pins in the connector. Additionally, some of these connectors offer additional features such as grounding and protection as well as multiple indicator light locations for shuttered and non-shuttered applications.The main applications of the SQT-149-03-F-Q rectangular connectors are in the field of communications. These connectors are used in virtually all types of communications systems such as base stations, access points, routers and switches. They are also used in many other applications such as mobile phones, laptops, tablets, cameras, video surveillance systems, data centers, industrial IoT devices, LED lighting systems and much more. In terms of performance, these connectors offer high durability, low insertion and extraction forces, minimum contact resistance losses, and space saving designs. The SQT-149-03-F-Q connectors offer excellent performance and reliability in all environments. They also provide excellent electrical parameters that meet the requirements of various print circuit boards.The structure and working principle of the SQT-149-03-F-Q rectangular connector have an optimized frequency range that provides increased impedance range. The contacts are designed with neat and flexible metal, and the contact mating groups are made with high precision plug and receptacles which provide increased reliability. The connector has two parts namely the header and the receptacle. The header has a series of pins which are inserted into the receptacle. The connection is created between the header and the receptacle when the pins come into contact with the contact pads provided within the receptacle. The contact pads on the receptacle are made of gold or silver plate, which ensures high performance and long life. The SQT-149-03-F-Q connectors are also designed to maintain their loading capacity during harsh environmental conditions, including extreme temperature and humidity. The durability ensures that the connectors remain in contact with the device even when the power is shut off. The connector features a robust locking system which ensures secure electrical connection every time.Overall, the SQT-149-03-F-Q rectangular connectors are an efficient and reliable choice for a variety of applications. They offer a high performance solution for any type of electrical system. The structure and working principle of the connectors ensure a fast and secure connection. The connection of the contact mating groups is also highly reliable and offers an extended operational life. The flexibility of the design of the header and the receptacle makes it easy to customize the design of the connector. These features, combined with the high durability of the material make the SQT-149-03-F-Q a reliable and durable option when looking for a rectangular connector.

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