305-076-556-503

Edgeboard Connectors Overview

The EDAC Inc. model 305-076-556-503 is a standard card edge connector featuring 76 positions with a 3.96 mm pitch. It utilizes gold-plated copper alloy contacts and a solder pin termination type. Designed for panel mounting at a vertical angle, the unit accommodates a board thickness of 1.57 mm. The insulator is green thermoplastic polyester, rated for operation between -40°C and +105°C. It carries a current rating of 5 A and an insulation resistance of 5 GOhms.

Edgeboard Connectors Feature Summary

• Dual-edge female connector design for secure card insertion
• Gold-plated contacts ensure reliable signal transmission
• Vertical panel mount configuration for space-efficient integration

Edgeboard Connectors Applications

• Industrial control systems requiring robust interconnects
• Communication equipment backplanes
• Automotive electronics modules

Edgeboard Connectors Procurement Notes

Verify the specific ordering suffix against the manufacturer datasheet to confirm contact plating, insulator color, and termination style match project requirements. Confirm panel cutout dimensions align with the specified 1.57 mm board thickness tolerance. Ensure compatibility with the target PCB edge profile before finalizing procurement orders.

Edgeboard Connectors Selection Notes

Select this component when a high-density 76-position interface is required with a 3.96 mm spacing. The vertical orientation suits applications where front-panel access is necessary. Verify that the 5 A current rating meets the circuit load demands and that the operating temperature range covers the environmental conditions.

Edgeboard Connectors Part Context

This part belongs to the EDAC 305 series of standard card edge connectors. The series offers various position counts and pitch options. The 305 series is characterized by its durable construction and suitability for general-purpose electronic interconnections in demanding environments.

Edgeboard Connectors Replacement Considerations

Cross-reference with EDAC 305-076-556-203 for similar specifications with potential differences in insulator color or packaging. Verify mechanical fit and electrical ratings before substituting.