305-076-521-504

Edgeboard Connectors Overview

The EDAC Inc. 305-076-521-504 is a standard card edge connector from the 305 series, designed for panel mounting applications. It features 76 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). It utilizes gold-plated copper alloy contacts to ensure reliable signal transmission and has a continuous current rating of 5 A. The insulator body is constructed from thermoplastic polyester, providing durability in demanding environments.

Edgeboard Connectors Feature Summary

• Accepts between-contact and in-contact polarizing keys for secure board alignment
• Features a low-profile insulator body for compact installation requirements
• Designed for flush mount with top opening and unthreaded flange characteristics

Edgeboard Connectors Applications

• Industrial control systems requiring robust card edge connections
• Telecommunications equipment utilizing standardized board interfaces
• Automotive electronics where vibration resistance is critical

Edgeboard Connectors Procurement Notes

Verify the specific ordering suffix against the manufacturer's official datasheet to confirm exact pin count, plating thickness, and flange configuration. Ensure compatibility with the target PCB thickness of 1.57 mm before procurement. Cross-reference the RoHS status and material declarations with the latest component documentation to meet regulatory compliance requirements for your specific region and application standards.

Edgeboard Connectors Selection Notes

Select this model when a dual-side card edge connector with 76 positions is required for panel-mounted installations. The 3.96 mm pitch suits applications needing high-density interconnects without excessive board space consumption. Consider the 5 A current rating and -40°C to +105°C operating temperature range to ensure performance stability under expected thermal loads and electrical demands within the system architecture.

Edgeboard Connectors Part Context

This component belongs to the EDAC 305 series of standard card edge connectors, which are widely used in industrial and commercial electronic assemblies. The series offers various position counts and mounting styles to accommodate different board sizes and structural needs. The 305-076-521-504 specifically addresses applications requiring a high-pin-count interface with reliable mechanical retention and electrical continuity through its specialized contact design.

Edgeboard Connectors Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.