305-078-521-578

Edgeboard Connectors Overview

The EDAC Inc. 305-078-521-578 is a standard card edge connector from the 305 series, designed for panel mounting with vertical orientation. It features 78 positions in a dual female arrangement 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). Contacts are made of copper alloy with gold plating, rated for 5 A current. The housing is green thermoplastic, operating between -40°C and +105°C.

Edgeboard Connectors Feature Summary

• Dual-edge female configuration with gold-plated copper alloy contacts for reliable signal transmission.
• Low-profile insulator body constructed from thermoplastic material for compact integration.
• Panel mount design with vertical orientation and solder pin termination for secure installation.

Edgeboard Connectors Applications

• Industrial control systems requiring robust board-to-board connectivity
• Communication equipment utilizing standard card edge interfaces
• Consumer electronics assemblies needing high-density connections

Edgeboard Connectors Procurement Notes

Verify the specific ordering suffix to ensure compatibility with required PCB thickness and mounting hardware. Confirm that the gold plating specification meets environmental corrosion resistance requirements for the intended application. Check RoHS compliance status against project regulations before finalizing procurement orders.

Edgeboard Connectors Selection Notes

Select this component when a 78-position dual-edge connector is required with 3.96 mm pitch. Ensure the target PCB thickness aligns with the 1.57 mm nominal specification. Consider the 5 A current rating and temperature range for thermal management planning during system design.

Edgeboard Connectors Part Context

This part belongs to the EDAC 305 series of standard card edge connectors. The series offers various position counts and configurations for general-purpose electronic applications. The 305 series is characterized by its thermoplastic housing and reliable solder pin termination methods suitable for panel-mounted installations.

Edgeboard Connectors Replacement Considerations

Consult official EDAC documentation for direct substitute part numbers within the 305 series or compatible families. Verify mechanical dimensions and electrical ratings match exactly before substituting any alternative components.