91911-31125

Series:	Conan™, MezzSelect™
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Connector Type:	Header, Center Strip Contacts
Number of Positions:	25
Pitch:	0.039" (1.00mm)
Number of Rows:	2
Mounting Type:	Surface Mount
Features:	Board Guide, Solder Retention
Contact Finish:	Gold or Gold, GXT™
Contact Finish Thickness:	15.0µin (0.38µm)
Mated Stacking Heights:	4.15mm
Height Above Board:	0.034" (0.86mm)

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Introduction:

The 91911-31125 connector system is a rectangular connector used in a variety of applications, primarily as a board-to-board connection for PCBs (printed circuit boards) and backplanes. Despite its relatively small size, the 91911-31125 connector offers a wide range of features, including low electromagnetic interference/radio frequency interference (EMI/RFI) characteristics, high mechanical strength, and stability of electrical connection. The 91911-31125 is part of a family of connectors commonly referred to as Edge Connectors, Mezzanines (Board to Board), Arrays or Multi-Pin Arrays.

Connector Types:

The 91911-31125 can be configured as either a vertical or edge mount board-to-board connector, depending on the application. Both types offer a range of standard and customized configurations, including right angle mounts, straight mounts, and combination/hybrid mounts. The most commonly used connectors are the minimalistic right angle mates, which are ideal for use in small PCB footprints, while the straight-mount type is preferred in most other mounting applications.

Design:

The 91911-31125 is designed with a number of features. The body of the connector is constructed of robust dielectric material that allows it to resist temperature changes that can cause material fatigue and/or failures. The contact pins are held in place with a plastic retainer and are kept insulated with a surrounding insulating sleeve. The pins can accommodate both solder and crimp-style termination methods. The connector also features a latch-actuating locking mechanism which allows for robust connections between the two boards.

Signal Integrity:

The 91911-31125 connector offers a number of advantages in terms of signal integrity. Due to its design, this connector ensures a stable electrical connection capable of carrying up to 5 amps of current. The dielectric material helps to reduce the amount of EMI/RFI interference generated by the connector, while the recessed latching system ensures a tight connection. The connector also has a number of cable guides in place, allowing for easy and secure routing of external cables.

Applications:

In addition to its use as a board-to-board connection for PCBs and backplanes, the 91911-31125 connector can also be found in a range of other applications, including in RFID systems, military communication/broadcast/multicast applications, aviation, medical, automotive, and sensing systems. The connector is also widely used in the automation industry, as it can be used for the connection of a wide range of devices, sensors, and components.

Conclusion:

The 91911-31125 connector is a robust, reliable, and highly versatile connector system with a wide range of applications. It offers excellent EMI/RFI protection, high mechanical strength, and a stable electrical connection, making it ideal for use in a variety of environments. This connector is part of the larger Edge Connector, Mezzanine (Board to Board), Arrays or Multi-Pin Array family of connectors. It is both versatile and cost-effective, making it an excellent choice for a wide range of applications.

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