305-072-556-203

Edgeboard Connectors Overview

The EDAC Inc. 305-072-556-203 is a standard card edge connector receptacle featuring 72 positions with a 3.96 mm (0.156 inch) pitch. Designed for dual-edge card applications, it utilizes gold-plated copper alloy contacts and a thermoplastic polyester housing. The component supports a 5 A current rating and operates within a temperature range of -40°C to +105°C. It employs a straight PCB mount style with solder termination and accommodates board thicknesses up to 1.57 mm.

Edgeboard Connectors Feature Summary

• Dual-edge female connector design for secure mating with non-specified double-sided circuit boards
• Gold-plated copper alloy contacts ensure reliable signal transmission and corrosion resistance
• Thermoplastic polyester insulation provides high dielectric strength and thermal stability

Edgeboard Connectors Applications

• Industrial control systems requiring robust I/O connections
• Telecommunications equipment backplanes
• Automotive electronic modules
• Test and measurement instrumentation

Edgeboard Connectors Procurement Notes

Verify the specific ordering suffix against the manufacturer's official datasheet to confirm exact pin count, contact plating specifications, and mounting configuration. Ensure compatibility with target PCB thickness and panel cutout dimensions prior to procurement. Cross-reference RoHS compliance status with current regulatory requirements for the intended market.

Edgeboard Connectors Selection Notes

Select this component when a 72-position interface with a 3.96 mm pitch is required for vertical PCB mounting. Confirm that the dual-edge card geometry matches the application's mechanical constraints. Evaluate the 5 A current rating against peak load requirements and verify that the operating temperature range aligns with the environmental conditions of the final assembly.

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 to support diverse interconnection needs in industrial and commercial electronics. The 305 series is characterized by its durable construction and consistent electrical performance across multiple configurations.

Edgeboard Connectors Replacement Considerations

Consult the EDAC 305 Series Ordering Guide for verified substitute part numbers. Ensure any replacement maintains identical pitch, position count, and mounting orientation to guarantee mechanical fit and electrical continuity without redesigning the host PCB.