SSW-121-21-S-D

Features:	--
Current Rating:	5.7A per Contact
Voltage Rating:	--
Applications:	--
Insulation Material:	Liquid Crystal Polymer (LCP)
Contact Shape:	Square
Contact Material:	Phosphor Bronze
Contact Finish Thickness - Post:	--
Series:	SSW
Packaging:	Bulk
Part Status:	Discontinued at Digi-Key
Connector Type:	Receptacle
Contact Type:	Forked
Style:	Board to Board or Cable
Number of Positions:	42
Number of Positions Loaded:	All
Pitch - Mating:	0.100" (2.54mm)
Number of Rows:	2
Row Spacing - Mating:	0.100" (2.54mm)
Mounting Type:	Through Hole
Termination:	Solder
Fastening Type:	Push-Pull
Contact Finish - Mating:	Gold
Contact Finish Thickness - Mating:	30.0µin (0.76µm)
Insulation Color:	Black
Insulation Height:	0.335" (8.51mm)
Contact Length - Post:	0.104" (2.64mm)
Operating Temperature:	-55°C ~ 125°C
Material Flammability Rating:	UL94 V-0
Contact Finish - Post:	Tin
Mated Stacking Heights:	--
Ingress Protection:	--

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SSW-121-21-S-D Application Field and Working Principle

Rectangular connectors, headers, receptacles, female sockets, also commonly known as SSW-121-21-S-D, are commonly used in the manufacturing of computer boards. They are both cost effective and offer superior contact reliability, making them a popular choice for many components on all types of circuit boards. In this article, we will discuss the SSW-121-21-S-D connector\'s application field and working principle.The SSW-121-21-S-D connector, which is also known as a High-Density Connector (HDC), is used in smaller, more dense circuit boards. It is used to connect between two PCBs, or a single PCB with a separate board or device. The SSW-121-21-S-D connector can also be used to connect between a wire harness and a circuit board. It is suitable for any type of application that requires a plug-and-socket connection.The SSW-121-21-S-D connector is a plug-and-socket type connector designed for reliable electrical contact. The connector has two parts: a plug and a receptacle. The plug portion of the connector consists of pins that are arranged in a 0.1’’ (2.54mm) pitch, and fit into a female socket or receptacle on the other side. The receptacle portion of the connector consists of a circuit board with female connector pins arranged on it.The SSW-121-21-S-D connector has a simple but effective working principle. When the plug is inserted into the receptacle, the plug pins are held in place by the metal frame of the receptacle while the pins on the circuit board are in constant contact with the plug pins. This ensures a reliable connection between the two components, as current is constantly flowing between the plug and receptacle.The SSW-121-21-S-D connector is capable of carrying both power and data signals. It can be used in a range of applications including computers, automation systems, data acquisition systems, and apparatus control. It is ideal for applications that require reliable electrical contact in a low-cost, yet highly reliable package.The SSW-121-21-S-D connector is designed for reliable electrical contact with a wide operating temperature range of -40℃ to 105℃. It also features high contact density, enabling a greater number of connections in a smaller package. The connector also features a good environmental seal, allowing it to protect against dust and moisture ingress, ensuring reliable performance in even the harshest of environments.In conclusion, the SSW-121-21-S-D Connector is a reliable and cost-effective plug-and-socket type connector designed for use in a range of applications. It offers high contact density, high reliability, and is suitable for a wide range of temperatures. It is a popular choice for many components on all types of circuit boards, greatly simplified the connection of processes in the computer industry.

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