89891-343H

Insulation Color:	Gray
Contact Finish Thickness - Post:	78.7µin (2.00µm)
Contact Material:	Phosphor Bronze
Contact Shape:	Square
Insulation Material:	Thermoplastic, Glass Filled
Applications:	Automotive, General Purpose, Industrial, Telecommunications
Voltage Rating:	--
Current Rating:	--
Features:	--
Ingress Protection:	--
Mated Stacking Heights:	--
Contact Finish - Post:	Tin
Material Flammability Rating:	UL94 V-0
Operating Temperature:	--
Contact Length - Post:	0.114" (2.90mm)
Insulation Height:	0.335" (8.51mm)
Series:	Dubox™
Contact Finish Thickness - Mating:	30.0µin (0.76µm)
Contact Finish - Mating:	Gold
Fastening Type:	Push-Pull
Termination:	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:	86
Style:	Board to Board
Contact Type:	Female Socket
Connector Type:	Receptacle, Bottom or Top Entry
Part Status:	Obsolete
Packaging:	Tube

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Introduction

89891-343H is a type of rectangular connector in the headers, receptacles, and female sockets category. It is mainly used to provide secure connections between two components in applications such as consumer electronics, instrumentation, medical, industrial, and military and aerospace.The 89891-343H connector offers high performance and reliability, providing excellent electrical characteristics which make it suitable for a wide range of applications. The connector is designed to meet all applicable electrical and environmental performance requirements, and its highly durable construction ensures it delivers reliable performance in harsh environments.

Design and Features

The 89891-343H Rectangular Connector is made of brass and has a nickel-plated finish. It has a standard configuration that includes a latch and two female receptacles. The latch is used to secure the connection to the mating device. It also features a two-piece black plastic shell that is resistant to corrosion, and it is UL-certified to UL-935. Additionally, the connector is RoHS compliant and is rated for operating temperatures from -40° to +125°C. The 89891-343H offers superior performance, which includes a high voltage rating of 1000V AC or DC, a current rating of 8A, and an insulation resistance of >1000 Mohm. In addition, it has a low contact resistance of 5m Ohm and a low signal loss of 0.05 dB at 1GHz.

Applications

The 89891-343H can be used in a variety of applications, including consumer electronics, instrumentation, medical, industrial, and military and aerospace. It is suitable for use in telecommunications, computers, power supplies, medical equipment, and many other electronic projects.

Working Principle

The working principle of the 89891-343H is simple. It is designed to securely hold two components in place while providing electrical contact between them. The electrical contact is made through the two female receptacles which are connected together by the latch. When the latch is securely locked in place, it creates a secure mechanical connection between the two components, allowing for a stable electrical connection. To ensure the highest level of performance and reliability, it is important to maintain a low contact resistance between the two components. This is achieved by using high-quality materials in the construction of the connector, such as brass and nickel-plated finish. This ensures that the electrical connection is stable and resistant to corrosion. Additionally, the locking latch keeps the connection secure, making sure that it is not accidentally disconnected.

Conclusion

The 89891-343H Rectangular Connector is a versatile and reliable connector suitable for a wide range of applications. It is made of high-quality materials and features a low contact resistance which ensures it delivers reliable performance. Additionally, its latch provides a secure mechanical connection, which makes it ideal for use in harsh environments.

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