305-026-500-508

Edgeboard Connectors Overview

The EDAC Inc. 305-026-500-508 is a standard card edge connector from the 305 series, designed for dual-row female connections with 26 positions. It features 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). Constructed with copper alloy contacts finished in gold, it provides a continuous current rating of 5 A and withstands 1800 VACrms. The insulator body is green thermoplastic, supporting an operating temperature range from -40°C to +105°C.

Edgeboard Connectors Feature Summary

• Accepts between-contact and in-contact polarizing keys for secure board alignment
• Low profile insulator body design for compact integration
• Gold-plated copper alloy contacts ensure reliable signal transmission
• Dual-row configuration supports high-density interconnect applications

Edgeboard Connectors Applications

• Industrial control systems requiring robust card edge interfaces
• Telecommunications equipment utilizing standardized board thicknesses
• Test and measurement devices needing reliable high-voltage isolation
• Embedded computing modules with space-constrained form factors

Edgeboard Connectors Procurement Notes

Verify that the specific part number matches the required 26-position dual-row configuration before ordering. Confirm compatibility with 0.062-inch PCB thickness standards. Ensure that the gold contact finish meets the environmental requirements for the intended application. Check for any regional distribution restrictions or RoHS compliance documentation availability through authorized channels prior to final procurement decisions.

Edgeboard Connectors Selection Notes

Select this component when a dual-row female card edge connector with 0.156-inch pitch is required. It is suitable for applications demanding a 5A current rating and 1800VACrms dielectric strength. Consider the low-profile body and polarizing key acceptance if mechanical stability and precise board insertion are critical. Verify that the green thermoplastic housing material aligns with thermal and chemical resistance needs within the specified -40°C to +105°C operating range.

Edgeboard Connectors Part Context

This connector belongs to the EDAC 305 series, which specializes in standard card edge connectors for various electronic assemblies. The series offers multiple position counts and row configurations to accommodate diverse interface requirements. Components in this line are engineered for panel mounting and solder lug termination, providing a stable connection solution for industrial and commercial electronics where reliability and consistent performance are paramount.

Edgeboard Connectors Replacement Considerations

Compatible substitutes include other EDAC 305 series connectors with matching 26-position dual-row layouts. Verify that alternative parts maintain the 0.156-inch pitch and 0.062-inch board thickness specifications. Ensure that replacement components offer equivalent electrical ratings and polarizing key compatibility to preserve system integrity without redesigning the host board footprint.

Edgeboard Connectors FAQ

Does the 305-026-500-508 support polarizing keys?

Yes, the connector accepts both between-contact and in-contact polarizing keys to ensure correct board orientation.

What is the maximum voltage rating for this connector?

The connector is rated to withstand 1800 VACrms dielectric strength.

Is the connector compatible with 1.57mm thick PCBs?

Yes, it is designed to accept printed circuit boards with a nominal thickness of 0.062 inches (1.57 mm).