305-078-500-558

Edgeboard Connectors Overview

The EDAC Inc. 305-078-500-558 is a standard card edge connector from the 305 series, designed for dual-edge board applications. It features 78 positions with a contact spacing of 3.96 mm (0.156 inches) and a row spacing of 3.56 mm (0.140 inches). The connector accepts printed circuit boards with a nominal thickness of 1.57 mm (0.062 inches), ranging from 1.37 mm to 1.78 mm. It utilizes gold-plated copper alloy contacts and a green thermoplastic polyester insulator body.

Edgeboard Connectors Feature Summary

• Dual-row configuration for high-density interconnects
• Low-profile insulator body design
• Gold-plated contacts for reliable signal transmission
• Panel mounting style with vertical orientation

Edgeboard Connectors Applications

• Industrial control systems requiring robust card edge interfaces
• Telecommunications equipment with high pin count requirements
• Test and measurement instrumentation modules
• Computer peripheral interface cards

Edgeboard Connectors Procurement Notes

Verify the specific suffix codes against the manufacturer's official ordering guide to ensure correct contact plating thickness and termination type. Confirm that the target PCB thickness falls within the specified 1.37 mm to 1.78 mm range to guarantee proper mechanical engagement. Check RoHS compliance status if required by project specifications.

Edgeboard Connectors Selection Notes

Select this component when a dual-edge card edge connector with 78 positions and 3.96 mm pitch is required. Ensure the application supports panel mounting and vertical installation. Compare against other 305 series variants if different position counts or termination styles are needed. Verify thermal ratings align with operational environments up to +105°C.

Edgeboard Connectors Part Context

This part belongs to the EDAC 305 Series, which offers various mounting options and configurations for standard card edge connectors. The series is characterized by its 3.96 mm pitch and compatibility with nominal 1.57 mm thick PCBs. It serves as a reliable interconnection solution for dual-edge boards in demanding electronic applications.

Edgeboard Connectors Replacement Considerations

Consult the EDAC 305 series ordering guide for direct substitutes with differing position counts or termination types. No public confirmed substitute part numbers are identified in available documentation.