305-070-521-502

Edgeboard Connectors Overview

The EDAC Inc. 305-070-521-502 is a standard card edge connector receptacle from the 305 series, designed for PCB mounting with a straight orientation. It features 70 positions arranged in two rows with a contact spacing of 3.96 mm (0.156 inches). The connector accepts printed circuit boards with a nominal thickness of 1.57 mm (0.062 inches). Contacts are made of copper alloy and gold-plated, rated for 5 A current at operating temperatures ranging from -40°C to +105°C. The insulator body is constructed from thermoplastic polyester.

Edgeboard Connectors Feature Summary

• Dual-row configuration providing 70 connection positions
• Gold-plated copper alloy contacts for reliable signal transmission
• Thermoplastic polyester insulator body for durability
• Straight PCB mount installation style

Edgeboard Connectors Applications

• Industrial control systems
• Telecommunications equipment
• Test and measurement devices
• Computer peripheral interfaces

Edgeboard Connectors Procurement Notes

Verify the specific suffix code against the manufacturer's official datasheet to confirm exact plating thickness and material specifications. Ensure compatibility with the target board thickness of 1.57 mm before procurement. Confirm RoHS compliance status through the supplier's documentation. Check for any regional distribution restrictions or lead time variations that may impact project timelines.

Edgeboard Connectors Selection Notes

Select this component when a high-density dual-edge card interface is required with a 3.96 mm pitch. It is suitable for applications demanding robust thermal performance up to 105°C. Consider the straight mounting profile for space-constrained vertical PCB layouts. Verify that the 5 A current rating meets the electrical requirements of the connected circuitry.

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 70-position interface. It is commonly used in modular electronic systems requiring secure and repeatable connections between backplanes and plug-in cards.

Edgeboard Connectors Replacement Considerations

Cross-reference with other EDAC 305 series parts for alternative position counts. Verify mechanical dimensions and pinout compatibility before substituting with generic equivalents. No direct public substitute part numbers are confirmed in available documentation.