305-028-521-503

Edgeboard Connectors Overview

The EDAC Inc. 305-028-521-503 is a standard card edge connector from the 305 series, designed for dual-edge board applications. It features 28 positions arranged in two rows with a 0.156-inch (3.96mm) spacing. The connector utilizes female contacts with gold plating and half-wave spring termination for reliable signal transmission. It supports PCB thicknesses ranging from 0.054 to 0.070 inches and operates within a temperature range of -40°C to +105°C.

Edgeboard Connectors Feature Summary

• Dual-row configuration for high-density interconnects
• Gold-plated half-wave spring contacts for durability
• Panel mount installation with flange features
• Thermoplastic insulator housing for thermal stability

Edgeboard Connectors Applications

• Industrial control systems
• Telecommunications equipment
• Automotive electronics modules
• Test and measurement instrumentation

Edgeboard Connectors Procurement Notes

Verify the specific suffix codes against the official EDAC ordering guide to ensure correct contact finish and mounting style. Confirm that the target PCB thickness falls within the specified 0.054 to 0.070 inch range for proper engagement. Check RoHS compliance status if required by project specifications before finalizing procurement orders.

Edgeboard Connectors Selection Notes

Select this component when a robust, panel-mount solution is required for dual-edge cards. Ensure the design accommodates the 0.156-inch pitch and vertical orientation. Consider the operating temperature range and insulation material properties for environmental compatibility during system integration.

Edgeboard Connectors Part Context

This part belongs to the EDAC 305 series of standard card edge connectors. The series offers various position counts and mounting options for diverse electronic applications. The 305-028 variant specifically provides a balanced density for mid-range interface requirements.

Edgeboard Connectors Replacement Considerations

Consult the official EDAC cross-reference documentation for verified substitute part numbers. Ensure any replacement maintains identical electrical ratings, mechanical dimensions, and contact configuration.