305-026-521-278

Edgeboard Connectors Overview

The EDAC Inc. 305-026-521-278 is a standard card edge connector from the 305 series, designed for vertical panel mount applications. It features 26 positions arranged in a dual row configuration with a contact spacing of 0.156 inches (3.96 mm). The connector utilizes gold-plated copper alloy contacts and a thermoplastic polyester insulator body. It supports solder pin termination and accommodates printed circuit boards with a nominal thickness of 0.062 inches (1.57 mm). The component is rated for a continuous current of 5 A and withstands 1800 VACrms dielectric voltage.

Edgeboard Connectors Feature Summary

• Accepts between-contact and in-contact polarizing keys for secure board alignment
• Features a low-profile insulator body design for compact integration
• Utilizes half-beam contact type for reliable signal transmission

Edgeboard Connectors Applications

• Industrial control systems requiring robust card edge interfaces
• Telecommunications equipment utilizing standardized board modules
• Test and measurement instrumentation with high-density connectivity needs

Edgeboard Connectors Procurement Notes

Verify the specific ordering suffix to confirm flange characteristics and thread specifications, as variations exist within the 305 series. Confirm RoHS compliance status through official manufacturer documentation prior to integration. Ensure that the selected variant matches the required polarizing key acceptance capabilities for the target assembly.

Edgeboard Connectors Selection Notes

Select this component when a dual-row female connector with 0.156-inch pitch is required for vertical mounting. Consider the 5 A current rating and 1800 VACrms insulation requirements during system design. Evaluate the need for polarizing key compatibility if precise board insertion orientation is critical for the application.

Edgeboard Connectors Part Context

This part belongs to the EDAC 305 series of standard card edge connectors, which are characterized by their .156-inch contact spacing and versatile mounting options. The series includes various configurations differing in position count, flange styles, and termination methods, providing a scalable solution for diverse electronic interconnection requirements across multiple industries.

Edgeboard Connectors Replacement Considerations

Direct substitutes within the same series include parts with identical electrical parameters but different mechanical flanges or thread types, such as those ending in -278 versus other suffixes. Cross-series replacements require careful verification of pitch, row count, and board thickness compatibility.