857-078-400-207

Edgeboard Connectors Overview

The EDAC Inc. part number 857-078-400-207 is a standard card edge connector designed for dual-edge board applications. It features 78 positions with a contact spacing of 0.156 inches (3.96 mm) and a row spacing of 0.200 inches (5.08 mm). The connector accepts printed circuit boards with a nominal thickness of 0.062 inches (1.57 mm). Constructed with a low-profile insulator body, it utilizes tin-plated copper alloy contacts to ensure reliable electrical performance in demanding environments.

Edgeboard Connectors Feature Summary

• Dual female configuration supporting two-sided card edge insertion
• Low-profile insulator body design for compact assembly requirements
• Tin-plated copper alloy contacts for corrosion resistance
• Panel mount installation style with right-angle orientation

Edgeboard Connectors Applications

• Computing and storage systems requiring high-density interconnects
• Industrial control modules utilizing standardized card edge interfaces
• Communication network equipment needing robust panel-mounted connections

Edgeboard Connectors Procurement Notes

Verify the specific ordering suffix against the manufacturer's current datasheet to confirm plating type and material specifications. Ensure compatibility with the target PCB thickness of 0.062 inches. Confirm that the dual-edge female configuration aligns with the system's mechanical mating requirements before finalizing procurement orders.

Edgeboard Connectors Selection Notes

Select this component when a dual-sided card edge interface is required for high-pin-count applications. The 0.156-inch pitch allows for dense routing while maintaining reliable contact integrity. Consider the right-angle panel mount style for space-constrained enclosures where vertical clearance is limited but horizontal depth is available.

Edgeboard Connectors Part Context

This component belongs to the EDAC 857 series, which specializes in high-temperature card edge connectors. The series is characterized by its durability and suitability for harsh environments. The 857 designation indicates specific thermal and mechanical properties distinct from other EDAC connector families, ensuring consistent performance across various industrial sectors.

Edgeboard Connectors Replacement Considerations

Direct substitutes within the same series include variations such as 857-078-400-208. Verify pin count and pitch compatibility when considering alternative part numbers. Cross-referencing with the official EDAC ordering guide is necessary to ensure equivalent electrical and mechanical specifications.