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The EDAC Inc. 306-028-420-104 is a standard card edge connector receptacle featuring 56 positions with a 3.96 mm (0.156 inch) pitch. It utilizes dual female contacts made of copper alloy with tin plating, designed for .062 inch nominal thickness printed circuit boards. The component supports panel mount installation with vertical orientation and solder pin termination. Rated for 5 A current, it employs a thermoplastic polyester insulator body.
Verify the specific ordering suffix to confirm contact plating type, as variations exist within the series. Confirm that the target application requires tin-plated contacts rather than gold. Ensure the PCB design accommodates the specified 3.96 mm pitch and 1.57 mm board thickness constraints before procurement.
Select this component when a dual-row card edge interface with a 3.96 mm spacing is required. It is suitable for applications needing vertical panel mounting and solder pin termination. Consider the 5 A current rating and thermoplastic polyester housing material for environmental compatibility.
This part belongs to the EDAC 306 series of standard card edge connectors. The series offers various position counts and pitch options. The 306-028-420-104 specifically denotes a 56-position variant with dual female contacts and tin plating, distinct from gold-plated or single-row alternatives in the same family.
Direct substitutes include other EDAC 306 series parts with matching 56 positions and 3.96 mm pitch. Verify contact plating differences; for example, the 306-028-421-102 features gold plating instead of tin. Ensure mechanical dimensions and mounting styles remain compatible.