746-056-540-606

Edgeboard Connectors Overview

The EDAC Inc. 746-056-540-606 is a dual-row female card edge connector from the 746 series, designed for board-to-board interconnection. It features 56 positions with a 0.125-inch (3.18mm) pitch and accepts cards ranging from 0.054 to 0.070 inches in thickness. The contacts are made of copper alloy with a 30.0µin gold plating, utilizing a cantilever design for reliable engagement. This component supports through-hole mounting and wire wrap termination, operating within a temperature range of -40°C to 105°C.

Edgeboard Connectors Feature Summary

• Dual-row female configuration with cantilever contact design for secure card insertion
• Gold-plated copper alloy contacts ensure durable electrical performance
• Compatible with standard PCB thicknesses via through-hole installation

Edgeboard Connectors Applications

• Industrial control system backplanes
• Telecommunications equipment interconnects
• Consumer electronics module connections

Edgeboard Connectors Procurement Notes

Verify the specific ordering suffix against the manufacturer's current 746 Series Ordering Guide to confirm exact termination style and packaging. Ensure compatibility with target card thickness specifications before procurement. Cross-reference the DigiKey or Mouser part number alias for accurate inventory tracking. Confirm RoHS compliance status if required by project regulations.

Edgeboard Connectors Selection Notes

Select this connector when a dual-row interface with a 0.125-inch pitch is required. The cantilever contact type offers ease of insertion compared to press-fit alternatives. Verify that the application environment falls within the specified -40°C to 105°C operational range. Consider the through-hole mounting requirement for PCB layout constraints.

Edgeboard Connectors Part Context

This component belongs to the EDAC 746 series of standard card edge connectors. The series provides various position counts and row configurations to support diverse interconnection needs. The 746-056 variant specifically addresses applications requiring 56 connection points in a dual-row format, balancing density with mechanical stability.

Edgeboard Connectors FAQ

What is the contact material used in this connector?

The contacts are constructed from copper alloy with a gold plating finish.

Does this connector support press-fit installation?

No, this specific model utilizes through-hole mounting and wire wrap termination methods.