305-042-520-203

Edgeboard Connectors Overview

The EDAC Inc. 305-042-520-203 is a standard card edge connector from the 305 series, designed for vertical panel mounting. It features a dual female configuration with 42 positions arranged in two rows. The contact spacing is 0.156 inches (3.96 mm), and it accepts printed circuit boards with a nominal thickness of 0.062 inches (1.57 mm). The contacts are made of copper alloy with gold plating to ensure reliable conductivity. This component utilizes a solder lug termination type for secure board attachment.

Edgeboard Connectors Feature Summary

• Accepts between-contact and in-contact polarizing keys for enhanced alignment
• Provides a continuous current rating of 5A with 1800VACrms insulation capability
• Features a low-profile insulator body constructed from thermoplastic material

Edgeboard Connectors Applications

• Industrial control systems requiring robust card edge interfaces
• Telecommunications equipment utilizing standardized module connections
• Test and measurement devices needing reliable signal transmission

Edgeboard Connectors Procurement Notes

Verify that the specific ordering suffix corresponds exactly to the required pin count and termination style. Confirm compatibility with the target PCB thickness of 0.062 inches to ensure proper mechanical fit. Check for RoHS compliance requirements if operating in regulated environments. Ensure the selected variant matches the necessary voltage and current ratings for the intended application circuitry.

Edgeboard Connectors Selection Notes

Select this model when a dual-row female connector with 42 positions is required for vertical panel installation. Consider the 3.96 mm pitch for compatibility with existing board layouts. Evaluate the need for polarizing key acceptance if precise insertion orientation is critical. Compare against other series members if different board thicknesses or row configurations are needed.

Edgeboard Connectors Part Context

This component belongs to the EDAC 305 series of standard card edge connectors. The series offers various position counts and termination options while maintaining consistent electrical performance characteristics. The 305 series is widely used in applications demanding high reliability and durable connections for modular electronic assemblies.

Edgeboard Connectors Replacement Considerations

Direct substitutes within the same series include part numbers such as 305-042-520-202 and 305-042-520-204. These variants share identical mechanical dimensions and electrical ratings but may differ in packaging or minor manufacturing updates. Verify cross-compatibility before substitution.