387-040-540-268

Edgeboard Connectors Overview

The EDAC Inc. part number 387-040-540-268 is a standard card edge connector from the 387 series, designed for dual-edge board insertion. It features 40 positions with a 0.156-inch (3.96 mm) pitch and supports a board thickness range of 0.054 to 0.070 inches (1.37 to 1.78 mm). The connector utilizes gold-plated copper alloy contacts housed in a black thermoplastic polyester body, offering an insulation resistance of 5 GOhms minimum. Rated for 3 A current, it operates within a temperature range of -40°C to +105°C. This through-hole vertical socket includes flanges for secure mounting.

Edgeboard Connectors Feature Summary

• Dual-edge female configuration for robust board retention
• Gold-plated contacts ensure reliable signal transmission
• Vertical through-hole mounting with integrated flanges
• Thermoplastic polyester housing provides thermal stability

Edgeboard Connectors Applications

• Industrial control system interconnects
• Telecommunications equipment backplanes
• Consumer electronic module interfaces
• Medical device circuit board connections

Edgeboard Connectors Procurement Notes

Verify the specific ordering suffix against the official EDAC datasheet to confirm contact plating, termination style, and flange configuration. Ensure compatibility with the target PCB thickness and hole dimensions before procurement. Confirm RoHS compliance status via the manufacturer's latest documentation. Check regional availability as distribution may be restricted in certain areas.

Edgeboard Connectors Selection Notes

Select this component when a dual-edge connection is required for high-density applications. The 3.96 mm pitch accommodates standard board layouts. Verify that the 3 A current rating meets the circuit requirements. Ensure the operating temperature range aligns with the environmental conditions of the final assembly. Consider the vertical orientation for space-constrained designs.

Edgeboard Connectors Part Context

This connector belongs to the EDAC 387 series, which offers various position counts and termination options. The series is characterized by its durable construction and consistent performance across multiple industries. Similar parts in the series differ primarily in the number of positions and specific mounting hardware configurations.

Edgeboard Connectors Replacement Considerations

Direct substitutes must match the 40-position count, 3.96 mm pitch, and dual-edge female type. Verify identical electrical ratings and mechanical dimensions. Cross-reference with other manufacturers' dual-edge connectors only if pinout and form factor are strictly compatible.