ESQT-140-03-S-D-357

Insulation Color:	Black
Contact Finish Thickness - Post:	--
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:	Tin
Material Flammability Rating:	UL94 V-0
Operating Temperature:	-55°C ~ 125°C
Contact Length - Post:	0.101" (2.57mm)
Insulation Height:	0.357" (9.07mm)
Series:	ESQT
Contact Finish Thickness - Mating:	30.0µin (0.76µm)
Contact Finish - Mating:	Gold
Fastening Type:	Push-Pull
Termination:	Solder
Mounting Type:	Through Hole
Row Spacing - Mating:	0.079" (2.00mm)
Number of Rows:	2
Pitch - Mating:	0.079" (2.00mm)
Number of Positions Loaded:	All
Number of Positions:	80
Style:	Board to Board or Cable
Contact Type:	Forked
Connector Type:	Elevated Socket
Part Status:	Active
Packaging:	Bulk

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Introduction

ESQT-140-03-S-D-357 is a Rectangular Connectors - Headers, Receptacles, Female Sockets, which is designed for the normal routing of electrical signals in electrical wiring accessories. This connector is used in several applications, such as in household appliances, computers, and communication devices. As one of the most common header connectors, ESQT-140-03-S-D-357 has been widely used in different applications to provide optimal transmission of signals or power in an electrical circuit.

Application Field

The ESQT-140-03-S-D-357 has the most common application in automotive accessories. From car air conditioners to heated seats, this connector is commonly used to provide a reliable connection between different parts. This type of connector can also be used in household appliances, like refrigerators, laundry machines, dishwashers, and ovens, as well as in medical equipment like electric beds, medical instruments, and medical monitors.In office and home computers, this connector can be used to connect monitors, keyboards, and printers. The ESQT-140-03-S-D-357 can also be used in communication devices, such as radios, modems, and cell phones, to ensure a reliable connection for data transmission.

Working Principle

The ESQT-140-03-S-D-357 has an oblong shape that fits into an oval receptacle. It is composed of a plastic housing with metal contacts, which connect the power or signal to the substrate. The contacts are spring-loaded and symmetrical, so that when the connector is mated, the contacts are automatically pushed against the posts in the receptacle to form a reliable electrical connection.The ESQT-140-03-S-D-357 is keyed for polarity, so one of the contacts is larger than the other in the mated position to ensure the correct orientation of the two connectors. This type of connector usually has two different pin numbers, allowing for a variety of different circuit configurations.

Conclusion

In conclusion, ESQT-140-03-S-D-357 is a Rectangular Connectors - Headers, Receptacles, Female Sockets which is widely used in different applications to provide reliable and safe delivery of electrical signals in an electrical circuit. Its design ensures a reliable connection between the two connectors in the presence of external elements such as dust, dirt, and moisture.

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