In Russian component catalogs, the term "UNF Modules" is an English translation/typo for specialized industrial and military microassemblies and Integrated Circuits (ICs). In original Cyrillic, these components are grouped under headers like ИС, Микросборки (ICs and Microassemblies).

These are distinct from standard modern silicone chips, often featuring unique
metal-ceramic or planar flat-pack housings designed to survive extreme military or aerospace conditions.