ESQT-125-03-G-S-309

Insulation Color:	Black
Contact Finish Thickness - Post:	3.00µin (0.076µm)
Contact Material:	Phosphor Bronze
Contact Shape:	Square
Insulation Material:	Liquid Crystal Polymer (LCP)
Applications:	--
Voltage Rating:	--
Current Rating:	4.5A per Contact
Features:	--
Ingress Protection:	--
Mated Stacking Heights:	--
Contact Finish - Post:	Gold
Material Flammability Rating:	UL94 V-0
Operating Temperature:	-55°C ~ 125°C
Contact Length - Post:	0.149" (3.78mm)
Insulation Height:	0.309" (7.85mm)
Series:	ESQT
Contact Finish Thickness - Mating:	20.0µin (0.51µm)
Contact Finish - Mating:	Gold
Fastening Type:	Push-Pull
Termination:	Solder
Mounting Type:	Through Hole
Row Spacing - Mating:	--
Number of Rows:	1
Pitch - Mating:	0.079" (2.00mm)
Number of Positions Loaded:	All
Number of Positions:	25
Style:	Board to Board or Cable
Contact Type:	Forked
Connector Type:	Elevated Socket
Part Status:	Active
Packaging:	Bulk

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Application Field and Working Principle of ESQT-125-03-G-S-309 Rectangular Connectors - Headers, Receptacles, Female Sockets

ESQT-125-03-G-S-309 rectangular connectors are headers, receptacles, female sockets with a 0.025 square inch pin size and a 0.33 inch pitch. The application field of the connector is broad, ranging from low voltage/signal wiring to industrial control and power applications. It fits any type of applications where small size and cost-effective solutions are needed, as it offers a reliable and sturdy connection in the given environment. ESQT-125-03-G-S-309 also features a mating “finger” design that offers a secure, effortless mating even in tight spaces and high temperature conditions, such as in an industrial environment.The working principle of the ESQT-125-03-G-S-309 rectangular connectors is based on the rigid “finger”-style design that locks in place and allows for good tension when mounted. The “finger” material composition is well-suited for machining and processing, creating a resilient and dependable physical connection. The connector’s pins are held in place by metal components that are soldered to the board and the housing or shell, ensuring that the pins cannot move or be affected by temperature fluctuations, vibration, or shock. The connector’s pins are also protected by a plastic hood that prevents environmental contaminants from reaching the contacts.The ESQT-125-03-G-S-309 rectangular connectors come in several different configurations depending on the application: right angle, top-entry, bottom-entry, vertical, and horizontal. This versatility of form factor allows the connectors to be used in a variety of environments, including instrumentation, data, and power systems. The connectors are constructed with an anti-slip texture that prevents the pins from slipping out of alignment, ensuring a reliable connection.The connector’s design is also advantageous for high temperature applications. As the temperature rises, the metal parts expand and the plastic components contract, creating an interfacing force that prevents vibration and shock from loosening the connection, allowing for reliable connections in industrial environments.The ESQT-125-03-G-S-309 rectangular connectors are built with a chrome-plated steel shell, making it a corrosion-resistant option. Additionally, the connector’s contacts are gold-plated for superior electrical contacts and long-term reliability. This combination of materials not only increases the performance, but it also provides a durable, cost-effective, and environmentally friendly solution.Overall, the ESQT-125-03-G-S-309 rectangular connectors offer the perfect balance of low cost and reliable connections. These connectors provide a secure and dependable connection in most industrial and data systems, allowing for increased performance and reduced downtime in the long run. The combination of materials provides excellent electrical connections and a durable form factor, making it an ideal option for any application.

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