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Electrical & Electronics Engineering vocabulary · PCB Design and Manufacturing

BOM

Meaning in electrical & electronics engineering, with examples

abbreviationCommon term

In electrical & electronics engineering, BOM means: Short for bill of materials: the full list of parts needed to build a product, with part numbers, quantities, reference designators and approved suppliers.

In Turkish: malzeme listesi, BOM, ürün ağacı

How it is used

Pronounced 'B-O-M' or 'bom'. Exported from the design tool and sent with the Gerber files for assembly. Engineers update, review and cost the BOM, and talk about BOM cost, BOM lines and second-source alternatives for parts that are hard to find.

Example sentences

  1. The BOM still lists the old capacitor; please update it before we send it to the assembler.

  2. We cut the BOM cost by 12% by switching to a cheaper microcontroller.

Common collocations

  • BOM cost
  • update the BOM
  • BOM line
  • export the BOM
  • PCBShort for printed circuit board: a flat board of insulating material with copper tracks that hold electronic components and connect them to each other.
  • Gerber filesThe standard set of files sent to a PCB manufacturer, with one file for each copper layer, the solder mask, the silkscreen and the board outline, usually together with a drill file.
  • footprintThe pattern of copper pads, holes and markings on a PCB that matches a component's package, so that the part can be placed and soldered correctly.
  • SMDShort for surface-mount device: a component soldered directly onto pads on the surface of a PCB, without leads going through holes. The technology is called SMT.

More terms: PCB Design and Manufacturing

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