305-078-555-204

Edgeboard Connectors Overview

The EDAC Inc. 305-078-555-204 is a standard card edge connector receptacle featuring 78 positions arranged in two rows with a 3.96 mm pitch. Designed for PCB mounting, it accepts boards with a nominal thickness of 1.57 mm. The contacts are gold-plated copper alloy, rated for 5 A current and 5 GOhms insulation resistance. Operating within -40°C to +105°C, the housing utilizes thermoplastic polyester. It employs solder termination and includes flush mount flange features.

Edgeboard Connectors Feature Summary

• Dual-row configuration with 3.96 mm contact spacing
• Gold-plated copper alloy contacts for reliable signal transmission
• Flush mount flange design with top opening
• Thermoplastic polyester insulator body

Edgeboard Connectors Applications

• Industrial control systems requiring robust board-to-board connections
• Telecommunications equipment utilizing standard card edge interfaces
• Test and measurement instrumentation with high-density I/O requirements

Edgeboard Connectors Procurement Notes

Verify specific ordering suffixes against manufacturer documentation to ensure correct flange and termination specifications. Confirm RoHS compliance status through official datasheets prior to integration. Cross-reference part numbers with distributor catalogs to validate availability and lead times. Ensure compatibility with target PCB thickness and mounting constraints.

Edgeboard Connectors Selection Notes

Select this component when a dual-row card edge interface with 3.96 mm pitch is required. Consider the 78-position count and flush mount flange characteristics for panel integration. Evaluate thermal operating range and current ratings against system load requirements. Verify mechanical fit with mating cards and enclosure space limitations.

Edgeboard Connectors Part Context

This component belongs to the EDAC 305 series of standard card edge connectors. The series offers various position counts and mounting styles. The 305-078-555-204 specifically denotes a 78-position receptacle with flush mount flanges. It is designed for applications needing durable, high-density interconnects.

Edgeboard Connectors Replacement Considerations

Consult EDAC official substitution guides for compatible alternatives. Verify pinout and mechanical dimensions before replacing. No direct substitute part numbers are confirmed in public data.