The A3963WR-5P is a Wire-to-Board / Wire-to-Wire connector manufactured by CJT (Changjiang Connectors). It features a 1x5P pin structure with a 3.96mm pitch, utilizing brass contacts and a push-pull design in a bend-insert (弯插) package.

This part belongs to the VH reference series. While no direct cross-reference alternatives are listed in the database, engineers typically look for VH-series compatible connectors with a 3.96mm pitch and 5-pin configuration for similar functional replacements.