305-070-556-204

Edgeboard Connectors Overview

The EDAC Inc. 305-070-556-204 is a standard card edge connector from the 305 series, designed for board-to-board or backplane interconnections. It features a dual-row female configuration with 70 positions and a 3.96 mm (0.156 inch) pitch. The connector utilizes gold-plated copper alloy contacts and a green thermoplastic polyester housing. It supports a current rating of 5 A and operates within a temperature range of -40°C to +105°C. The unit employs a straddle mount installation style with solder termination, accommodating PCB thicknesses between 1.37 mm and 1.78 mm.

Edgeboard Connectors Feature Summary

• Dual-row female contact configuration for high-density signal routing
• Straddle mount design ensures secure board edge retention
• Gold-plated copper alloy contacts provide reliable conductivity
• Thermoplastic polyester insulation offers thermal stability

Edgeboard Connectors Applications

• Board edge extension modules
• Industrial control system interconnects
• Telecommunications equipment backplanes
• Automotive electronic assemblies

Edgeboard Connectors Procurement Notes

Verify the specific suffix codes against the manufacturer's official ordering guide to ensure correct pin count, mounting style, and contact finish specifications. Confirm RoHS compliance status and lead times directly with authorized distributors, as availability may vary by region. Cross-reference the datasheet dimensional drawings to validate mechanical fitment before procurement.

Edgeboard Connectors Selection Notes

Select this component when a 70-position dual-row interface is required with a 3.96 mm pitch. Ensure the mating card thickness falls within the 1.37 mm to 1.78 mm range. Verify that the straddle mount orientation aligns with the enclosure constraints. Confirm that the 5 A current rating meets the circuit requirements for all active lines.

Edgeboard Connectors Part Context

This part belongs to the EDAC 305 series of standard card edge connectors. The series provides various position counts and mounting options, including vertical and right-angle configurations. The 305 series is widely used in applications requiring robust, solderable connections for edge-card systems across industrial and commercial sectors.

Edgeboard Connectors Replacement Considerations

Consult the EDAC 305 Series Ordering Guide for direct substitutes with differing pin counts or mounting styles. No alternative part numbers are confirmed in the provided documentation.