305-070-521-203

Edgeboard Connectors Overview

The EDAC Inc. 305-070-521-203 is a standard card edge connector from the 305 series, designed for dual-edge board applications. It features 70 positions with a 3.96 mm (0.156 inch) pitch and supports a maximum operating temperature of +105°C and a minimum of -40°C. The connector utilizes gold-plated copper alloy contacts and a thermoplastic polyester housing. Rated for 5 A current, it accommodates PCB thicknesses up to 1.57 mm and employs a vertical panel mount style with solder pin termination.

Edgeboard Connectors Feature Summary

• Dual-edge female contact configuration for secure board insertion
• Vertical panel mounting orientation with through-hole solder termination
• Gold-plated copper alloy contacts ensuring reliable signal transmission
• Thermoplastic polyester insulation providing high dielectric strength

Edgeboard Connectors Applications

• Industrial control system backplanes
• Telecommunications equipment interconnects
• Test and measurement instrument modules

Edgeboard Connectors Procurement Notes

Verify that the specific ordering suffix matches the required contact plating and housing color specifications. Confirm compatibility with the target PCB thickness range of 1.37 mm to 1.78 mm. Ensure the panel cutout dimensions align with the flange characteristics for proper installation. Check RoHS compliance status against project requirements before finalizing procurement orders.

Edgeboard Connectors Selection Notes

Select this component when a dual-edge connector with a 3.96 mm pitch is required for panel-mounted applications. The 70-position count suits moderate-density interconnect needs. Consider the 5 A current rating and thermal range for environmental suitability. Verify that the vertical mounting style fits within the available chassis depth constraints.

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 styles. The 305-070 variant specifically provides a balance between connectivity density and mechanical stability for dual-edge applications in rugged environments.

Edgeboard Connectors Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation. Cross-reference with other EDAC 305 series parts only if position count and pitch match exactly.