305-086-556-203

Edgeboard Connectors Overview

The EDAC Inc. 305-086-556-203 is a standard card edge connector receptacle featuring 86 positions with a 3.96 mm (0.156 inch) contact spacing and 3.56 mm (0.140 inch) row spacing. It accepts printed circuit boards with a nominal thickness of 1.57 mm (0.062 inch). The component utilizes gold-plated copper alloy contacts for reliable signal transmission and supports a continuous current rating of 5 A. Designed for panel mounting, it offers vertical orientation and solder termination. The housing is constructed from thermoplastic polyester, providing insulation resistance of 5 GOhms and operating within a temperature range of -40°C to +105°C.

Edgeboard Connectors Feature Summary

• Accepts between-contact and in-contact polarizing keys for secure board retention
• Supports dual-edge card insertion with specified contact and row spacing dimensions
• Provides high insulation resistance and voltage withstand capability for stable connections

Edgeboard Connectors Applications

• Industrial control system interconnections
• Telecommunications equipment backplanes
• Test and measurement instrument modules

Edgeboard Connectors Procurement Notes

Verify the specific ordering suffix against the manufacturer's official datasheet to ensure compatibility with required polarizing key configurations and termination styles. Confirm that the thermal and electrical ratings align with the target application environment before procurement. Cross-reference the part number with the latest revision history to avoid discrepancies in mechanical drawings or material specifications.

Edgeboard Connectors Selection Notes

Select this component when a high-density connection with 86 positions is required on a 1.57 mm thick PCB. Ensure the design accommodates the 3.96 mm pitch and allows space for the specified polarizing keys. Consider the panel mount style and vertical orientation during chassis layout planning to maintain proper alignment with mating card edges.

Edgeboard Connectors Part Context

This part belongs to the EDAC 305 series of standard card edge connectors, designed for robust industrial applications. The series offers various position counts and mounting options while maintaining consistent electrical performance standards. The 305-086 variant specifically addresses high-pin-count requirements within the family's dimensional constraints.

Edgeboard Connectors Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation.