306-021-520-112

Overview

The EDAC Inc. 306-021-520-112 is a standard card edge connector designed for single-side board insertion. It features 21 positions with a contact spacing of 0.156 inches (3.96 mm). The connector utilizes gold-plated copper alloy contacts and accepts printed circuit boards with a nominal thickness of 0.062 inches (1.57 mm). It employs a through-hole mounting style for secure panel installation.

Feature Summary

• Single centerline row configuration for compact design
• Low profile insulator body construction
• Gold-plated contacts for reliable signal transmission

Applications

• Panel-mounted electronic assemblies
• Industrial control systems
• Communication equipment interfaces

Procurement Notes

Verify the specific ordering suffix to confirm contact plating, insulation color, and mounting orientation. Ensure the target PCB thickness aligns with the specified 0.062-inch nominal requirement for proper retention. Confirm RoHS compliance status if environmental regulations apply to the final assembly.

Selection Notes

Select this component when a single-row interface is required for 1.57 mm thick boards. The 0.156-inch pitch accommodates standard trace widths. Consider the low-profile body for space-constrained enclosures where vertical clearance is limited compared to dual-edge alternatives.

Part Context

This part belongs to the EDAC 306 series of standard card edge connectors. The series offers various position counts and mounting options. The 306-021 variant specifically addresses applications requiring a minimal number of connections in a single-sided format.

Replacement Considerations

Direct substitutes include other EDAC parts within the 306 series with matching 21-position counts and 0.156-inch pitch. Verify that alternative manufacturers' components maintain identical board thickness tolerances and contact spacing to ensure mechanical compatibility.