{"id":6198,"date":"2026-04-28T09:38:22","date_gmt":"2026-04-28T01:38:22","guid":{"rendered":"https:\/\/txjpcba.com\/?p=6198"},"modified":"2026-04-28T09:38:22","modified_gmt":"2026-04-28T01:38:22","slug":"what-is-a-bom-bill-of-materials","status":"publish","type":"post","link":"https:\/\/txjpcba.com\/zh\/what-is-a-bom-bill-of-materials\/","title":{"rendered":"What is a BOM (Bill of Materials)?"},"content":{"rendered":"

BOM\uff08\u7269\u6599\u6e05\u55ae\uff09<\/strong><\/span><\/h2>\n

A BOM (Bill of Materials) is a detailed list of all components, materials, and parts required to manufacture and complete a product. In the context of PCB \u7d44\u88dd<\/strong><\/a>, a BOM serves as a critical document that defines every electronic component needed to build a printed circuit board assembly accurately.<\/p>\n

It acts as a bridge between design and production, ensuring that engineers, procurement teams, and manufacturers all work with the same information.<\/p>\n

\"What
What is a BOM (Bill of Materials)<\/figcaption><\/figure>\n

Key Elements of a BOM<\/strong><\/span><\/h2>\n

A standard BOM used in PCB \u88fd\u9020<\/strong> \u548c SMT \u7d44\u88dd<\/strong> typically includes several essential fields.<\/p>\n

Each component is identified by a reference designator (such as R1, C1, U1), which corresponds to the PCB layout.<\/p>\n

It also includes part numbers, component values (e.g., 10k resistor, 100nF capacitor), package types (such as 0603 or QFN), and quantities required.<\/p>\n

Additional details may include manufacturer names, approved vendor lists, and alternative components to avoid supply chain disruptions.<\/p>\n