31712356 - Unijunction transistors

CPV code 31712356 in the EU Common Procurement Vocabulary refers to Unijunction transistors. It sits at level 6 of the CPV hierarchy as a subcategory within the 31 division. This code is nested directly under 31712300, narrowing the broader category into the specific area of unijunction transistors. As a leaf code, 31712356 has no further subdivisions and represents the most precise classification available in this branch — buyers should reference it directly in tender notices when the procurement primarily concerns unijunction transistors. Contracting authorities across the EU use 31712356 in TED notices and national procurement portals to signal that a tender relates to unijunction transistors.