845-122-556-203

Edgeboard Connectors Overview

The EDAC Inc. 845-122-556-203 is a dual-edge card edge connector from the 845 High Temp series, designed for high-reliability applications. It features a 0.100 inch (2.54mm) pitch with 122 positions arranged in two rows. The connector utilizes gold-plated copper alloy contacts and a green Diallyl Phthalate (DAP) insulator. It supports an operating temperature range of -40°C to +125°C and offers straddle mount board edge installation with solder termination.

Edgeboard Connectors Feature Summary

• Dual-edge design for enhanced signal integrity and mechanical stability
• High-temperature resistant DAP insulator material
• Gold-plated copper alloy contacts for reliable conductivity
• Straddle mount configuration for secure board attachment

Edgeboard Connectors Applications

• High-temperature industrial control systems
• Aerospace and defense electronic modules
• Telecommunications infrastructure cards
• Military-grade circuit board interconnects

Edgeboard Connectors Procurement Notes

Verify the specific pin count and row configuration against the target PCB layout before ordering. Confirm that the straddle mount style aligns with the chassis mounting requirements. Ensure the operating temperature rating meets the environmental conditions of the final assembly. Check for any updated revision codes or suffixes that may indicate minor manufacturing changes.

Edgeboard Connectors Selection Notes

Select this model when dual-edge connectivity is required for robust signal transmission in harsh environments. The 122-position capacity suits complex data processing boards. Consider the straddle mount option if panel mounting stability is critical. The high-temperature rating makes it suitable for applications exceeding standard commercial limits.

Edgeboard Connectors Part Context

This component belongs to EDAC's 845 High Temperature series, which specializes in connectors for demanding operational environments. The series is characterized by durable materials and high contact counts. It serves as a critical interface between flexible or rigid circuit boards and backplanes in specialized electronics.

Edgeboard Connectors Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation. Verify compatibility with existing mating cards before considering alternative vendors.