307-042-522-278

Edgeboard Connectors Overview

The EDAC Inc. part number 307-042-522-278 is a standard card edge connector from the 307 series, classified as a header type receptacle. It features 42 positions with a contact spacing of 3.96 mm (0.156 inches) and a row spacing of 5.08 mm (0.200 inches). Designed for dual-edge board insertion, it accommodates printed circuit boards with a nominal thickness of 1.57 mm (0.062 inches), supporting a range of 1.37 mm to 1.78 mm. The connector utilizes gold-plated copper alloy contacts rated for 5 A current and offers an insulation resistance of 5 GOhms. It operates within a temperature range of -40°C to +105°C.

Edgeboard Connectors Feature Summary

• Dual-edge female connector design accepting non-specified dual-edge PCBs
• Gold-plated copper alloy contacts ensuring reliable signal transmission
• Low profile thermoplastic insulator body construction

Edgeboard Connectors Applications

• Panel mount interconnections for electronic modules
• High-density signal routing in industrial equipment
• Backplane connectivity in communication systems

Edgeboard Connectors Procurement Notes

Verify the specific ordering suffix against the manufacturer's official datasheet to confirm exact mechanical dimensions and plating specifications. Ensure compatibility with the target PCB thickness of 1.57 mm nominal. Confirm that the panel mount style aligns with the enclosure design requirements before finalizing procurement orders.

Edgeboard Connectors Selection Notes

Select this component when a 42-position dual-edge interface is required with a 3.96 mm pitch. The 5 A current rating and 5 GOhms insulation resistance suit general signal applications. Consider the vertical installation angle and panel mounting style for chassis integration needs.

Edgeboard Connectors Part Context

This component belongs to the EDAC 307 series of standard card edge connectors. The series provides various position counts and mounting styles. This specific model serves as a header for dual-edge cards, differing from single-edge variants in the same family by its acceptance of double-sided conductive traces on the inserted module.

Edgeboard Connectors Replacement Considerations

Cross-reference with other EDAC 307 series headers such as 307-040-522-203 or 307-064-522-202 if position count adjustments are permissible. Verify that alternative parts maintain the identical 3.96 mm pitch and 1.57 mm board thickness tolerance to ensure mechanical fit.