1156891

Headers, Receptacles, Female Sockets Overview

Phoenix Contact part number 1156891 is a board-to-board and mezzanine connector header from the FQ series. It features 50 positions arranged in a 2-row configuration with a 2.54 mm (0.1 inch) pitch. The component utilizes surface mount technology for PCB installation and employs a straight termination style. Electrical specifications include a current rating of 3 A, an operating temperature range from -40°C to +125°C, and gold-plated copper alloy contacts. The housing is constructed from polyamide (PA) plastic rated UL 94 V-0.

Headers, Receptacles, Female Sockets Feature Summary

• Dual-row header design facilitates high-density interconnections on printed circuit boards.
• Gold-plated contacts ensure reliable signal transmission and corrosion resistance.
• Polyamide housing provides structural integrity and meets UL 94 V-0 flammability standards.

Headers, Receptacles, Female Sockets Applications

• Board-to-board interconnection systems
• Mezzanine connector assemblies
• Industrial control unit interfaces

Headers, Receptacles, Female Sockets Procurement Notes

Verify the specific ordering suffix against the official Phoenix Contact datasheet to confirm exact pin count and contact plating specifications. Ensure compatibility with mating connectors regarding row alignment and pitch dimensions. Confirm that the surface mount footprint matches the target PCB layout requirements before finalizing procurement orders.

Headers, Receptacles, Female Sockets Selection Notes

Select this component when a 50-position dual-row header is required for compact electronic designs. The 2.54 mm pitch suits standard spacing applications, while the 3 A rating supports moderate current loads. Consider the straight orientation and surface mount profile for assembly constraints within the target equipment enclosure.

Headers, Receptacles, Female Sockets Part Context

This connector belongs to the FQ series of board-to-board headers manufactured by Phoenix Contact. The series is designed for reliable electrical connections between stacked circuit boards or mezzanine cards. The product falls under the broader category of rectangular connectors and interconnect solutions used in industrial automation and electronics manufacturing.

Headers, Receptacles, Female Sockets Replacement Considerations

Consult the Phoenix Contact Cross Reference Search tool for verified substitute part numbers. Ensure any alternative maintains identical 2.54 mm pitch, 2-row configuration, and 50-position count. Verify that mechanical dimensions and mounting styles match the existing PCB design to prevent integration issues.

Headers, Receptacles, Female Sockets FAQ

What is the contact material and plating specification?

The contacts are made of copper alloy and feature a gold plating finish.

Is this connector suitable for high-temperature environments?

Yes, it operates within a temperature range of -40°C to +125°C.