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:	0.108" (2.75mm)
Insulation Height:	0.350" (8.89mm)
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:	--
Number of Rows:	1
Pitch - Mating:	0.079" (2.00mm)
Number of Positions Loaded:	All
Number of Positions:	4
Style:	Board to Board or Cable
Contact Type:	Forked
Connector Type:	Elevated Socket
Part Status:	Active
Packaging:	Bulk

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ESQT-104-03-L-S-350 Application Field and Working Principle

Introduction

ESQT-104-03-L-S-350 is a type of rectangular connector which is categorized under "Headers, Receptacles, Female Sockets". Such connectors are widely used in both commercial and industrial applications for the purpose of connecting various electrical components. Its design allows for the transmission of both power and signal in a single connector.This article will discuss the application fields of ESQT-104-03-L-S-350 as well as the working principle of this rectangular connector.

Application Fields

In terms of application fields, ESQT-104-03-L-S-350 is mainly used to connect electrical components such as switches, relays, microcontrollers, LEDs, and other devices which require an electrical interface. Specifically, the mentioned rectangular connector is mostly used in Smart Home, industrial, computer, and automotive industries due to its miniature size and high cost-effectiveness. In Smart Home applications, ESQT-104-03-L-S-350 is used for connecting components such as motion sensors, temperature sensors, and air-quality sensors. In industrial applications, they are used to connect signal wires in the manufacturing processes. For computer applications, they are used for connecting various peripheral devices such as hard disks, USB ports, and soundcards. Additionally, they can also be found in automotive applications in the form of connectors for tapping harnesses or for connecting various electrical components.

Working Principle

In terms of working principle, ESQT-104-03-L-S-350 uses dual twist-lock technology for ensuring secure connections. The two-part mechanism consists of an inner connector and outer assembly. The inner connector has a series of male pins or terminals which make a firm contact with the mating connector. The outer assembly is composed of a split shell which securely attaches to the locking mechanism of the other connector. Upon locking, the springs at the end of the assembly will tighten and ensure that the connection is firmly established. Additionally, the nature of the mechanism also allows the connection to have a certain degree of flexion which can eliminate potential stress on the connection due to its mobility.

Conclusion

All in all, ESQT-104-03-L-S-350 rectangular connectors are widely used in various commercial and industrial applications due to its miniature size and cost-effectiveness. It also has a working principle based on dual twist-lock technology which ensures secure connections. As such, it can be seen that ESQT-104-03-L-S-350 connectors are a reliable choice for the transmission of both power and signal.

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