91931-32131LF

Series:	Conan™, MezzSelect™
Packaging:	Tape & Reel (TR)
Part Status:	Active
Connector Type:	Receptacle, Outer Shroud Contacts
Number of Positions:	31
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:	30.0µin (0.76µm)
Mated Stacking Heights:	4.15mm, 4.5mm, 5mm, 5.5mm, 6mm, 7mm, 7.52mm
Height Above Board:	0.129" (3.28mm)

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Introduction
The 91931-32131LF is a rectangular connector array, edge type, mezzanine product from Samtec. This connector is an integral part of most commonly used devices such as drives, motor controllers, power supplies and other industrial electronic systems.

Connector Construction
The 91931-32131LF is designed with a tin plated bronze contact material for high temperature operation up to 260 degrees Celsius and to ensure reliable operation. The contact is supported by a polyester material. The housing of the connector is made of 40% glass-filled polyester and has a base with a Gold plating to offer good solderability. It also has a full body ground contact to provide protection from EMI and RFI.

Application
The 91931-32131LF is commonly used in high-speed signal transmission, high-density interconnection, switched mode power supplies, space avionics, telecom systems, and automotive applications as well as in industrial, medical and consumer markets. It is particularly friendly to automation systems that require many connections. The 91931-32131LF can also be used to connect two boards together, as in the case of mezzanine boards. This type of connector can also be used in applications that require good shielding from electromagnetic interference (EMI) interference.

Working Principle
The 91931-32131LF utilizes a working principle that starts with the connector making contact with the PCB pad, and then soldering the connector to the PCB board. Solder is then applied to the positive and negative contacts of the connector. The contact is then secured by tightening the fixing screws. This type of connection ensures that the contacts are strongly secured and will not come loose due to any external forces. The contacts will also provide a reliable connection that will not be affected by temperature and vibration or EMI interference.

Conclusion
The 91931-32131LF is an edge type, mezzanine type rectangular connector array. It is designed for use in extremely high temperature environments up to 260 degrees Celsius. Its use is ideal in high-speed signal transmission, high-density interconnection, switched mode power supplies, space avionics, telecom systems, and automotive applications as well as in industrial, medical and consumer markets. In addition, its full body ground contact offers excellent protection from EMI and RFI. Its working principle ensures that the contacts are strongly secured and will not come loose due to any external forces.

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