Operating Temperature:	-55°C ~ 105°C
Insulation Height:	0.300" (7.62mm)
Contact Shape:	Square
Contact Finish - Mating:	Gold
Contact Finish Thickness - Mating:	15.0µin (0.38µm)
Contact Finish - Post:	Tin
Contact Material:	Copper Alloy
Insulation Material:	Thermoplastic, Glass Filled
Features:	--
Overall Contact Length:	--
Ingress Protection:	--
Material Flammability Rating:	UL94 V-0
Insulation Color:	Natural
Current Rating:	Varies by Wire Gauge
Voltage Rating:	600VAC
Mated Stacking Heights:	--
Contact Finish Thickness - Post:	--
Applications:	General Purpose, Industrial
Number of Positions Loaded:	All
Packaging:	Bulk
Part Status:	Active
Connector Type:	Header
Contact Type:	Male Pin
Pitch - Mating:	0.156" (3.96mm)
Number of Positions:	3
Number of Rows:	1
Row Spacing - Mating:	--
Series:	MTA-156
Style:	Board to Cable/Wire
Shrouding:	Shrouded - 1 Wall
Mounting Type:	Through Hole, Right Angle
Termination:	Solder
Fastening Type:	Friction Lock
Contact Length - Mating:	0.400" (10.16mm)
Contact Length - Post:	0.125" (3.18mm)

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3-641121-3 Application Field and Working Principle

Introduction

3-641121-3 is a kind of rectangular connector used in electrical, industrial and telecommunication networks. It is a combination of connector and header with male pins. Rectangular connectors are commonly used in connection with small wires, cables and terminals of varying sizes.

Working Principle

The 3-641121-3 rectangular connector has two components, the connector and the header with male pins. The connector is usually made from a nylon-type material with a plastic body containing pins that are inserted into the female side of the rectangular connector. The pins are inserted into the female side of the connector when two complementary connectors are put together in a secure manner. The male pins then make contact with the female side of the connector, allowing the current to flow between the two connectors.The header with male pins consists of a series of small metal pins which are inserted into the female side of the connector. The pins are usually made of metal such as brass or copper and make contact with the female side of the connector when the two components are secured together.The pins on the header enable a connection point with the connector giving electrical and data connection points. This allows a wider range of signal transmissions.

Application Field

The 3-641121-3 rectangular connectors are mainly used in electrical, industrial and telecommunication networks.The common application areas are the power supply industry, automotive industry and medical industry.In the power supply industry, a 3-641121-3 connector is used as an interface between the power source, such as a battery, and the power equipment, such as an inverter or amplifier. The rectangular connector is suitable for use in high current applications as it can handle high currents and is easy to connect and disconnect. The automotive industry is the another popular area for 3-641121-3 rectangular connectors. It is used in automobiles to connect the onboard electrical system, such as lights, power windows and sound equipment, as well as in sensors in the engine and other systems. The medical field is an additional area where 3-641121-3 connectors are used. It is used in medical devices, such as heart monitors, blood pressure monitors and scanners, for communication between the device and the host system.

Conclusion

The 3-641121-3 rectangular connector is a versatile and durable connector that is used in a variety of applications in electrical, automotive and medical industries. It consists of a connector and a header with male pins for providing electrical and data connection points. The connector is easy to install and use and is suitable for high current applications.

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