89891-342LF

Insulation Color:	Blue
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:	84
Style:	Board to Board
Contact Type:	Female Socket
Connector Type:	Receptacle, Bottom or Top Entry
Part Status:	Active
Packaging:	Tube

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Introduction

The 89891-342LF is a type of rectangular connector from the family of headers, receptacles, and female sockets. It is a surface mount, two-piece interconnect system and is commonly used in a wide range of applications. It is also known by several other names like Two-piece surface mount interconnects, SMT sockets, or Headers, Receptacles, Female Sockets.

Application Field

The 89891-342LF is most commonly used in applications requiring a lower profile connector. It is often used in applications where space is limited or when weight avoidance is a priority.This type of connector is configured in a dual-row format, with three circular contact points per row. The contacts are made through gold-plated pins and friction locks. This allows for reliable connections in conditions where physical shock or vibration might be a factor. The 89891-342LF is often used in communication, computers, audio, video, electronic instrumentation, and medical applications.

Design

The 89891-342LF consists of two separate pieces, a header (male) and a receptacle (female). The header has an array of 3 gold-plated pins that are exposed on the top surface and the receptacle has corresponding through-holes that the pins can insert into.The 89891-342LF is designed so that two contacts are mounted onto each side of the receptacle. The contacts are soldered onto the PCB and connected to traces routing to the device. The receptacle is then pressed onto the header. The header\'s gold-plated pins make contact with the receptacle\'s contacts to provide a reliable connection.The 89891-342 LVF is available with either double- or single-row contacts, in 2- to 4-position configurations. The contacts are rated for a current capacity of 0.2A and a voltage rating of 150V.

Working Principle

The working principle of the 89891-342LF is simple. When the two pieces of the connector (header and receptacle) are pressed together, the gold-plated pins on the header make contact with the contacts on the receptacle, creating an electrical connection. The two pieces of the connector are locked together by metal friction locks on the header and corresponding tension fingers on the receptacle. The friction locks ensure that the connection stays together under conditions of physical shock or vibration.The 89891-342LF is able to provide reliable connections and ensure a stable signal transmission through its simple design and high-quality contact points.

Conclusion

The 89891-342LF is a type of two-piece rectangular connector from the family of headers, receptacles, and female sockets, commonly used in applications requiring a low profile, lightweight connector. It is designed with gold-plated pins and friction locks, providing reliable connections in conditions of physical shock or vibration. Its simple design and reliable electrical connections make it a great choice for communication, computer, audio, video, electronic instrumentation, and medical applications.

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