305-026-521-578

Edgeboard Connectors Overview

The EDAC Inc. 305-026-521-578 is a standard card edge connector from the 305 series, designed for panel mounting applications. It features a dual-edge female configuration with 26 positions arranged in two rows. The connector utilizes a 3.96 mm (0.156 inch) pitch and accepts PCBs with thicknesses ranging from 1.37 mm to 1.78 mm. Contacts are made of copper alloy with gold plating, providing a continuous current rating of 5 A. The housing is green thermoplastic, supporting an operating temperature range of -40°C to +105°C.

Edgeboard Connectors Feature Summary

• Accepts between-contact and in-contact polarizing keys for secure positioning
• Dual-edge female contact design ensures reliable signal transmission
• Gold-plated copper alloy contacts provide corrosion resistance and low contact resistance

Edgeboard Connectors Applications

• Medical interconnect solutions
• Agricultural technology equipment
• Industrial control systems

Edgeboard Connectors Procurement Notes

Verify the specific suffix codes against the manufacturer's official ordering guide to ensure correct pin count, termination style, and insulation material. Confirm RoHS compliance status and lead times directly with authorized distributors, as availability may vary by region. Cross-reference the datasheet drawing dimensions to validate mechanical fit within the target enclosure before finalizing procurement orders.

Edgeboard Connectors Selection Notes

Select this component when a 26-position dual-row interface is required with a 3.96 mm pitch. Ensure the mating PCB thickness falls within the 1.37 mm to 1.78 mm specification range. Consider the 5 A current rating and high-temperature tolerance for environments exceeding standard commercial limits. Verify that the panel mount orientation aligns with the system's structural requirements.

Edgeboard Connectors Part Context

This part belongs to the EDAC 305 series of card edge connectors, which are engineered for robust performance in demanding environments. The series offers various position counts and termination options, catering to diverse industrial and medical applications. The 305 series is known for its durability and compatibility with polarizing keys, ensuring precise alignment during insertion.

Edgeboard Connectors Replacement Considerations

Consult the EDAC 305 Series Ordering Guide for direct substitutes with different position counts or termination styles. Verify mechanical compatibility and electrical ratings before substituting with generic equivalents. No specific cross-referenced substitute part numbers are publicly confirmed in the provided documentation.