305-020-520-203

Edgeboard Connectors Overview

The EDAC Inc. 305-020-520-203 is a standard card edge connector from the 305 Series, designed for dual-row applications with a 20-position configuration. It features a 3.96 mm (0.156 inch) contact pitch and a 3.56 mm row spacing. The connector accepts printed circuit boards with a nominal thickness of 1.57 mm (0.062 inch). Constructed with copper alloy contacts featuring gold plating, it provides reliable electrical performance within an operating temperature range of -40°C to +105°C. The unit utilizes a thermoplastic insulator body and supports panel mount installation via solder pin termination.

Edgeboard Connectors Feature Summary

• Dual-row configuration with 20 positions for high-density interconnects
• Gold-plated copper alloy contacts ensure stable signal transmission
• Compatible with 1.57 mm nominal PCB thickness standards
• Thermoplastic insulator body offers durability in varied environments

Edgeboard Connectors Applications

• Panel-mounted electronic assemblies requiring vertical connection
• Industrial control systems utilizing standard card edge interfaces
• General-purpose data processing hardware modules

Edgeboard Connectors Procurement Notes

Verify the specific ordering suffix against the manufacturer's official datasheet to confirm exact mechanical dimensions and termination style. Ensure compatibility with the target PCB thickness of 1.57 mm before integration. Cross-reference the RoHS compliance status with current regulatory requirements for the intended market. Confirm that the panel mount orientation aligns with the system enclosure design constraints.

Edgeboard Connectors Selection Notes

Select this component when a dual-row interface with a 3.96 mm pitch is required for robust panel mounting. The 20-position count suits moderate density applications. Verify that the gold contact plating meets the environmental corrosion resistance needs. Ensure the solder pin termination method matches the assembly process capabilities and thermal profiles available during manufacturing.

Edgeboard Connectors Part Context

This part belongs to the EDAC 305 Series, which specializes in standard card edge connectors. The series offers various position counts and mounting options, maintaining consistent 3.96 mm pitch specifications across models. These connectors are engineered for reliability in demanding industrial and commercial sectors, providing standardized interfaces for modular electronic designs.

Edgeboard Connectors Replacement Considerations

Direct substitutes within the same series include parts like 305-038-520-502 or 305-040-520-203, though these differ in position count. Any replacement must maintain the 3.96 mm pitch and dual-row architecture to fit existing tooling and PCB layouts without modification.

Edgeboard Connectors FAQ

What is the nominal PCB thickness supported by this connector?

The 305-020-520-203 is designed to accept printed circuit boards with a nominal thickness of 1.57 mm (0.062 inch).

Does this connector support single-sided or double-sided card edges?

It is configured as a dual-row connector, typically engaging with double-sided card edge layouts to utilize all 20 positions.