8504.90.75.00 - Other

This HTS subheading, 8504.90.75.00, covers "Other" printed circuit assemblies (PCAs) that are parts of electrical transformers, static converters, or inductors. These PCAs are essential components that contain a variety of electronic parts and circuitry mounted onto a substrate. They are integral to the operation and functionality of the electrical equipment they are designed to serve, but do not fit the more specific descriptions found in other subheadings at this level.

This category is distinguished from its sibling, 8504.90.65.00, by its intended application. While 8504.90.65.00 specifically covers PCAs used in telecommunication apparatus that are parts of static converters or inductors, 8504.90.75.00 is a residual category for PCAs that are parts of any electrical transformer, static converter, or inductor not otherwise specified. Therefore, the key differentiator lies in the end-use application of the broader electrical equipment to which the PCA is a component.

As this is a leaf node, there are no further subcategories. Classification within this subheading requires a careful examination of the specific function and design of the printed circuit assembly in relation to the transformer, static converter, or inductor it is intended for. If a PCA does not fall under the more specific sibling category, and is a part of one of the specified electrical apparatus, it will be classified here.