305-076-521-268

Edgeboard Connectors Overview

The EDAC Inc. 305-076-521-268 is a dual-row card edge connector designed for vertical panel mount applications. It features 76 positions with a 0.156-inch (3.96mm) contact spacing and accepts printed circuit boards with a nominal thickness of 0.062 inches (1.57mm). The connector utilizes gold-plated contacts on a copper alloy base, providing a continuous current rating of 5A and an insulation resistance of 5 GOhms. Constructed with a thermoplastic insulator body, it operates within a temperature range of -40°C to +105°C and supports both between-contact and in-contact polarizing keys.

Edgeboard Connectors Feature Summary

• Accepts between-contact and in-contact polarizing keys for secure board alignment
• Low profile insulator body design suitable for space-constrained panel mounts
• Gold-plated contacts ensure reliable signal transmission and corrosion resistance

Edgeboard Connectors Applications

• Motherboard interconnects
• Daughterboard connections
• Extender card interfaces

Edgeboard Connectors Procurement Notes

Verify the specific ordering suffix against the official EDAC 305 Series Ordering Guide to confirm exact mechanical dimensions and termination style. Ensure compatibility with the target PCB thickness of 0.062 inches. Confirm RoHS compliance status and check for any regional distribution restrictions before finalizing procurement orders.

Edgeboard Connectors Selection Notes

Select this component when a dual-row, 76-position connection is required for vertical panel mounting. It is appropriate for designs needing 5A current capacity and robust polarization options. Consider the 3.96mm pitch for standard board layouts and verify that the thermoplastic housing meets environmental requirements for the intended operating temperature range.

Edgeboard Connectors Part Context

This part belongs to the EDAC 305 Series, which provides quality-engineered solutions for power and signal communication. The series is widely used in industrial and commercial electronics for connecting motherboards, daughterboards, and extenders, offering reliable performance in demanding environments through standardized card edge interface specifications.

Edgeboard Connectors Replacement Considerations

Consult the EDAC 305 Series cross-reference documentation for verified substitute part numbers. Ensure any replacement maintains the same 76-position count, 0.156-inch pitch, and dual-row configuration. Verify that alternative components support identical polarizing key acceptance and panel mount orientation.