Insulation Color:	Black
Contact Finish Thickness - Post:	--
Contact Material:	Phosphor Bronze
Contact Shape:	Square
Insulation Material:	Liquid Crystal Polymer (LCP)
Applications:	--
Voltage Rating:	550VAC
Current Rating:	6.3A 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:	0.100" (2.54mm)
Insulation Height:	0.195" (4.95mm)
Series:	SSQ
Contact Finish Thickness - Mating:	30.0µin (0.76µm)
Contact Finish - Mating:	Gold
Fastening Type:	Push-Pull
Termination:	Solder
Mounting Type:	Through Hole, Right Angle
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:	26
Style:	Board to Board or Cable
Contact Type:	Forked
Connector Type:	Receptacle
Part Status:	Discontinued at Digi-Key
Packaging:	Bulk

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Introduction

The SSQ-113-02-S-D-RA (hereinafter referred to as “the connector”) is rectangular shaped with 2mm centers. It is a typical connector in the family of “Rectangular Connectors - Headers, Receptacles, Female Sockets”. This section will go through its working principle and application fields in details.

Working Principle

The connector is composed of two parts: male part and female part. When using the connector, the female part with two pins is pressed and fixed into the PCB printed circuit board, and the male part is plugged into one end of the female part to form an electrical connection. At this time, the electrical signals of the circuit can be transmitted through the pin connection and PCB printed circuit board. This connector is soldered to the circuit by the principle of reflow soldering. That is, the flux will be applied to the soldering site first, then the two parts of the connector and the surface of the pin are soldered into the PCB printed circuit board, the temperature of the soldering site is raised first and then cooled, and the soldering should be monitored and tested during the soldering process.

Application Fields

The main application fields of the connector are:

• Computer peripheral
• Data communication Equipment
• Home Network
• Consumer electronics
• Industrial automation
• Vehicle Electronics
• Network Terminals
• Office Automation Equipment
• PCB and Equipment Connectors

In general, the use of this connector makes it suitable for any internal electronic device in which wired or wireless input and output is required. It can also be applied to high-frequency wireless systems, such as baseband systems, for internal data transmission between systems.

Conclusion

To sum up, the SSQ-113-02-S-D-RA connector is a typical rectangular connector. Its application fields cover a wide range of industries and equipments, while the working principle relies on plugging male part into female part and soldering them onto the circuit board. It is a simple, economical, and quite reliable connector and cable assembly solution.

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