ESQT-104-03-L-5-400

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:	0.058" (1.47mm)
Insulation Height:	0.400" (10.16mm)
Series:	ESQT
Contact Finish Thickness - Mating:	10.0µin (0.25µm)
Contact Finish - Mating:	Gold
Fastening Type:	Push-Pull
Termination:	Solder
Mounting Type:	Through Hole
Row Spacing - Mating:	0.079" (2.00mm)
Number of Rows:	5
Pitch - Mating:	0.079" (2.00mm)
Number of Positions Loaded:	All
Number of Positions:	20
Style:	Board to Board or Cable
Contact Type:	Forked
Connector Type:	Elevated Socket
Part Status:	Active
Packaging:	Bulk

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Introduction

ESQT-104-03-L-5-400 is one type of the rectangular connectors, and also a kind of headers, receptacles, female sockets. This type of rectangular connectors are mainly used for the connection of two or more objects. They are usually used in commercial, industrial, military applications, have a variety of sizes and shapes.

Application Field

The ESQT-104-03-L-5-400 rectangular connector is widely used in various fields. It can be used in telecommunications, such as modems, routers, servers, and other communication equipment. It is also used in automotive field for providing the signal and power connection with electronic control systems, such as safety measures and engine management. And it is popular in medical fields for its excellent performance in instrument and device connection. It can also be used in battery powered devices, like laptops, mobile phones, and power banks.

Working Principle

The working principal of the rectangular connectors is simply that when the connector is mated, the contact pins which are held in place contact with each other and provide a secure electrical connection between the two connectors. This type of connector has a good shock resistance, and it can be used in harsh operating condition due to its unique design and rigid construction.The ESQT-104-03-L-5-400 usually includes a header body, a crimp socket, an insertion pin and an insulation sheet. The crimp socket parts have a pair of aluminum contacts which are snaped in the plastic body. The insertion pin is made of steel, and provides the contact point when it is plugged in. The insulation sheet is made of PVC closed cells, and it serves as a seal to keep contaminants out of the connection.

Conclusion

The ESQT-104-03-L-5-400 is a rectangular connectors which is used for the connection of two or more objects. It has a variety of applications, such as telecommunication, automotive, medical and so on. Its working principal is relatively simple, mainly composed of a header body, a crimp socket, an insertion pin and an insulation sheet. Its unique design and rigid construction made it very suitable for harsh operating condition.

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