305-020-555-508

Edgeboard Connectors Overview

The EDAC Inc. 305-020-555-508 is a standard card edge connector from the 305 series, designed for dual female connections with 20 positions. It features a 3.96 mm (0.156 inch) pitch and accommodates a board thickness of 1.57 mm. The connector utilizes gold-plated copper alloy contacts to ensure reliable signal transmission. Rated for 5 A continuous current and 1800 VACrms insulation voltage, it operates within a temperature range of -40°C to +105°C. The housing is constructed from green thermoplastic polyester, providing robust mechanical support and electrical insulation.

Edgeboard Connectors Feature Summary

• Dual row female configuration for secure card edge mating
• Gold-plated contacts on copper alloy substrate for durability
• Accepts between-contact and in-contact polarizing keys
• Thermoplastic polyester housing for environmental stability

Edgeboard Connectors Applications

• Industrial control system interconnects
• Telecommunications equipment backplanes
• Computing hardware module interfaces
• Test and measurement instrument cards

Edgeboard Connectors Procurement Notes

Verify that the specific suffix matches the required contact count and plating specifications. Confirm compatibility with existing polarizing key requirements if used in constrained spaces. Ensure the target PCB thickness aligns with the 1.57 mm design parameter to guarantee proper mechanical retention and electrical contact integrity during operation.

Edgeboard Connectors Selection Notes

Select this component when a dual-row interface with a 3.96 mm pitch is required. The 5 A current rating suits moderate power distribution needs. Consider the vertical panel mount style if chassis integration is necessary. Verify that the operating environment remains within the specified -40°C to +105°C thermal limits for long-term reliability.

Edgeboard Connectors Part Context

This part belongs to the EDAC 305 series, which provides standardized card edge connectors for various electronic applications. The series offers multiple position counts and mounting styles. The 305-020-555-508 specifically addresses the need for a 20-position dual-row connector with high-reliability gold contacts and a durable thermoplastic housing suitable for demanding industrial environments.

Edgeboard Connectors Replacement Considerations

Cross-reference with other EDAC 305 series variants such as 305-020-500-508 or 305-020-555-203 for alternative packaging or slight dimensional variations. Ensure any substitute maintains the 3.96 mm pitch and 20-position count. Verify that the replacement part supports the same current rating and polarizing key compatibility.