305-074-521-507

Edgeboard Connectors Overview

The EDAC Inc. 305-074-521-507 is a standard card edge connector designed for dual-edge PCB insertion. It features 74 positions arranged in two rows with a contact spacing of 3.96 mm (0.156 inches) and a row spacing of 3.56 mm (0.140 inches). The connector accepts printed circuit boards with a nominal thickness of 1.57 mm (0.062 inches). Constructed with copper alloy contacts featuring gold plating, it utilizes a thermoplastic insulator body. The component supports panel mounting via threaded inserts and operates within a temperature range of -40°C to +105°C.

Edgeboard Connectors Feature Summary

• Dual-edge female contact configuration for secure board retention
• Low-profile insulator body design for space-constrained applications
• Gold-plated copper alloy contacts ensuring reliable signal transmission
• Panel mount installation style with integrated threaded flange

Edgeboard Connectors Applications

• Industrial control systems requiring robust interconnects
• Telecommunications equipment backplanes
• Automotive electronic modules
• Test and measurement instrumentation

Edgeboard Connectors Procurement Notes

Verify the specific ordering suffix against the manufacturer's current datasheet to ensure compatibility with required flange types and termination styles. Confirm that the intended PCB thickness falls within the specified acceptance range of 1.37 mm to 1.78 mm. Cross-reference the RoHS compliance status with project environmental requirements before finalizing procurement orders.

Edgeboard Connectors Selection Notes

Select this model when a high-density connection is required for double-sided edge cards. Ensure the mating PCB has a thickness compatible with the 1.57 mm nominal specification. Verify that the panel mounting method aligns with the M3 threaded insert feature provided by this specific part number variant.

Edgeboard Connectors Part Context

This component belongs to the EDAC 305 Series, which provides standard card edge connectors for various industrial and commercial applications. The series offers multiple position counts and mounting options to accommodate different system architectures. The 305-074-521-507 specifically addresses needs for dual-edge connectivity with panel-mount stability.

Edgeboard Connectors Replacement Considerations

Consult the official EDAC 305 Series Ordering Guide for verified substitute part numbers. Consider variants such as 305-074-521-202 or 305-074-521-504 if different flange characteristics or termination styles are required. Ensure any replacement maintains the same 3.96 mm pitch and 74-position count.