BLM KG 2 42 Z

Headers, Receptacles, Female Sockets Overview

The BLM KG 2 42 Z is a 42-position PCB receptacle connector manufactured by Fischer Elektronik. It features a 1.27 mm (0.050 inch) pitch and utilizes a through-hole mounting method for board-to-board applications. The connector consists of two rows with female contacts designed for straight insertion. Contact materials are specified as CuSn-alloy, ensuring reliable electrical performance. The contact surface finish includes tin plating over a nickel underlayer, providing corrosion resistance and conductivity suitable for industrial electronic assemblies.

Headers, Receptacles, Female Sockets Feature Summary

• Two-row female header configuration for board-to-board interconnection
• Through-hole mounting design for secure PCB attachment
• Tin-plated contact surfaces with nickel underlayer for durability

Headers, Receptacles, Female Sockets Applications

• Board-to-board signal transmission in electronic modules
• Industrial control system interconnections
• General-purpose PCB assembly requiring high-density connections

Headers, Receptacles, Female Sockets Procurement Notes

Verify the specific ordering suffix and packaging format directly with Fischer Elektronik or authorized distributors before purchase. Confirm that the 42-position variant matches the required footprint and row configuration. Ensure compatibility with mating male headers regarding pitch and contact alignment to prevent mechanical stress during assembly.

Headers, Receptacles, Female Sockets Selection Notes

Select this component when a 1.27 mm pitch female receptacle is required for rigid board-to-board connections. The through-hole technology offers superior mechanical stability compared to surface mount alternatives. Consider the copper-tin alloy contact material for standard current carrying requirements and verify that the straight orientation fits the spatial constraints of the enclosure design.

Headers, Receptacles, Female Sockets Part Context

This part belongs to the BLM KG series of connectors from Fischer Elektronik, which specializes in pin strips and socket connectors. The series provides various position counts and configurations for different electronic integration needs. Fischer Elektronik is a German manufacturer established in 1969, focusing on cooling, protection, and connection technologies for printed circuit boards and ribbon cables.

Headers, Receptacles, Female Sockets Replacement Considerations

The alternative designation BLM KG 2 4 Z refers to a 4-position variant, not a direct substitute for the 42-position BLM KG 2 42 Z. No other public substitute part numbers are confirmed for this specific 42-position model. Ensure any replacement maintains the identical 1.27 mm pitch and through-hole mounting style.