305-056-521-204

Edgeboard Connectors Overview

The EDAC 305-056-521-204 is a standard card edge connector receptacle featuring 56 positions arranged in a dual-row configuration. It utilizes a 3.96 mm (0.156 inch) contact spacing with a 3.56 mm row spacing. Designed for nominal 1.57 mm thick printed circuit boards, the unit employs gold-plated copper alloy contacts and a thermoplastic insulator body. The component supports a current rating of 5 A and operates within a temperature range of -40°C to +105°C.

Edgeboard Connectors Feature Summary

• Dual-edge female connector design accommodating two-sided PCB traces
• Low-profile insulator body construction for space-constrained applications
• Gold-plated copper alloy contacts ensuring reliable signal transmission
• Panel mount installation style with vertical orientation

Edgeboard Connectors Applications

• Industrial control system interconnections
• Telecommunications equipment backplanes
• Automotive electronic module interfaces
• Medical device internal board connections

Edgeboard Connectors Procurement Notes

Verify that the specific ordering suffix matches the required contact plating thickness and insulation color code. Confirm panel mounting requirements align with the vertical installation style. Ensure the target PCB thickness conforms to the nominal 1.57 mm specification to guarantee proper mechanical engagement and electrical continuity during assembly.

Edgeboard Connectors Selection Notes

Select this component when a dual-row, 56-position interface is required for 1.57 mm thick boards. The 3.96 mm pitch suits high-density layouts where larger spacing aids manufacturing tolerance. Consider the 5 A current rating and thermal limits for power distribution needs. Verify compatibility with mating card edge profiles before integration into the final assembly design.

Edgeboard Connectors Part Context

This part belongs to the EDAC 305 series of standard card edge connectors. The series offers various position counts and mounting styles. The 305-056 variant specifically provides a mid-range density solution. It shares common design principles with other parts in the family, such as consistent pitch and material standards, while differing in contact count and physical dimensions.

Edgeboard Connectors Replacement Considerations

Cross-reference with EDAC part numbers sharing the same 3.96 mm pitch and 56-position count. Verify identical row spacing and PCB thickness compatibility. Check for matching current ratings and temperature specifications. Ensure the replacement maintains the dual-row female configuration and vertical panel mount orientation.