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:	5.7A 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:	0.104" (2.64mm)
Insulation Height:	0.335" (8.51mm)
Series:	SSW
Contact Finish Thickness - Mating:	20.0µin (0.51µm)
Contact Finish - Mating:	Gold
Fastening Type:	Push-Pull
Termination:	Kinked Pin, Solder
Mounting Type:	Through Hole
Row Spacing - Mating:	0.100" (2.54mm)
Number of Rows:	2
Pitch - Mating:	0.100" (2.54mm)
Number of Positions Loaded:	All
Number of Positions:	24
Style:	Board to Board or Cable
Contact Type:	Forked
Connector Type:	Receptacle
Part Status:	Active
Packaging:	Bulk

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SSW-112-21-G-D-LL: Rectangular Connectors - Headers, Receptacles, Female Sockets

Rectangular Connectors are a group of electrical connectors used for various applications. They are divided into two categories, headers and receptacles, which are used for power, signal, and data applications. The SSW-112-21-G-D-LL, a horizontal-mount head-on female socket, is a widely used rectangular connector and is used for many applications.

Physical Properties

The SSW-112-21-G-D-LL is a 4.20 mm pitch, two-row connector with 21 contacts in each row. This connector has a vertical straight-through mounting type and is composed of a thermoplastic base, stainless-steel pins, and housing. The pins are in a single row with 0.50 mm of between pitch distance. The power rating of this connector is 12A, and it can operate between -40°C to 105°C temperature range. The rated voltage is 250VAC, and the insulation resistance at 500V DC is 5000 Mega-Ohms Min.

Application Fields and Working Principles

Due to its good electrical performance, the SSW-112-21-G-D-LL is suitable for power, signal, and data applications, such as instrumentation and measurement systems, industrial automation, control systems, and embedded systems.As for signal and data applications, this connector provides an excellent contact between the two connected components and provides a low contact resistance, which makes it suitable for transmitting analog and digital information. The low contact resistance also makes it suitable for power distribution applications.Furthermore, the connector’s temperature range makes it suitable for high-temperature environments, such as automotive applications. The robust design of the connector ensures a secure and reliable connection even in the presence of high vibration, shock, and dynamic loads.For working principles, the SSW-112-21-G-D-LL connector is fitted with two sets of contacts, a female socket and a male pin. The socket is connected to the connector’s housing, which is shaped like a rectangular block. The male pins are inserted into the socket and secured by a pair of latches. The latches can be locked in the open position to prevent accidental disengagement during assembly. When the connection is made, the spring force of the contact pins ensures a reliable and secure connection between the two components.

Conclusion

The SSW-112-21-G-D-LL connector is a widely used rectangular connector that is suitable for power, signal, and data applications. It is composed of a thermoplastic base, stainless-steel pins, and housing, and has excellent electrical characteristics. It can operate in a range of temperatures, is capable of withstanding high levels of vibration and shock, and provides a secure connection between the two components.

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