305-050-556-578

Edgeboard Connectors Overview

The EDAC Inc. 305-050-556-578 is a standard card edge connector from the 305 series, designed for dual-edge board applications. It features 50 positions with a contact spacing of 0.156 inches (3.96 mm) and a row spacing of 0.140 inches (3.56 mm). The connector accepts printed circuit boards with a nominal thickness of 0.062 inches (1.57 mm). It utilizes gold-plated copper alloy contacts with a half-beam termination type for reliable signal transmission. Rated for 5 A current, it operates within a temperature range of -40°C to +105°C and offers an insulation resistance of 5 GOhms.

Edgeboard Connectors Feature Summary

• Dual-row configuration with female half-beam contacts for secure mating
• Low-profile thermoplastic insulator body compatible with standard panel mounting
• Gold-plated contacts ensure corrosion resistance and stable electrical performance

Edgeboard Connectors Applications

• Industrial control system backplanes
• Telecommunications equipment interconnects
• Computer peripheral interface modules

Edgeboard Connectors Procurement Notes

Verify the specific ordering suffix against the official EDAC datasheet to confirm exact pin count, plating thickness, and termination style. Ensure compatibility with the target PCB thickness of 1.57 mm. Confirm RoHS compliance status and environmental ratings required for the intended operational environment before finalizing procurement.

Edgeboard Connectors Selection Notes

Select this component when a dual-edge card edge connector with 50 positions and 3.96 mm pitch is required. Consider the vertical panel mount style and solder pin termination. Evaluate the 5 A current rating and thermal operating range against system requirements. Compare against similar EDAC 305 series variants for alternative position counts or mounting configurations.

Edgeboard Connectors Part Context

This part belongs to the EDAC 305 Series, a line of standard card edge connectors known for robust construction and versatile mounting options. The series supports various position counts and termination styles, catering to diverse electronic assembly needs. The 305-050-556-578 specifically addresses applications requiring high-density connections on dual-edge boards with standardized dimensions.

Edgeboard Connectors Replacement Considerations

Compatible substitutes include other EDAC 305 series parts with matching 50-position layouts and 3.96 mm pitch, such as the 305-050-556-202 or 305-050-556-278, provided the termination and mounting specifications align.