Files Requested for PCBA

To begin your PCBA project, we require specific files to ensure a smooth and accurate assembly process. Please provide the following files in the correct format. You can submit these files through our online webpage or via email at Sales@raypcb.com. When emailing, include your order number in the subject line, formatted as: “Files for Order Number 123456”.

1. BOM (Bill of Materials)

The BOM is a detailed list of components required to manufacture your product. It specifies the parts needed, their placement, and assembly details. We accept BOM files in .xls, .xlsx, or .csv formats.

• For Consigned/Kitted Orders, the BOM should include:
  • Line #
  • Quantity per Part Number
  • Reference Designator
  • Part Number
  • Part Description
  • Package Type (Surface Mount, Thru-Hole, or Hybrid)
• For Turn-Key and Partial Turn-Key Orders, the BOM should include the above details, plus:
  • Manufacturer’s Name
  • Manufacturer’s Part Number
  • Distributor’s Part Number

Click here to download a sample BOM file.

2. Gerber Files

The same Gerber files (in RS-274X format) used for PCB fabrication are required for assembly. At a minimum, the following layers must be included:

• Silkscreen
• Copper (Track)
• Solder Paste

Ensure all files are thoroughly reviewed on your end before submission. We will also review the files prior to assembly to confirm completeness and accuracy.

3. Centroid File

The Centroid file (also known as Insertion, Pick-N-Place, or XY Data) is essential for programming assembly machines. It specifies the position, orientation, and side (Top or Bottom) of all surface-mount components. The file includes:

• Reference Designator
• X and Y Coordinates
• Rotation
• Board Side (Top or Bottom)

Note: Only surface-mount parts are listed in the Centroid file. Some CAD tools generate this file automatically, while others may require manual adjustments.

Click here to download a sample Centroid file:

4. Additional Documents

To ensure the highest quality assembly, we strongly recommend providing any additional documents or information related to your project. These may include:

• Assembly Drawings
• Special Assembly Instructions
• Images or Photos of the PCB

While not always mandatory, these details help us better understand your requirements, resolve ambiguities, and avoid potential errors, ultimately leading to a flawless assembly.

Please submit all required files and documents to Sales@raypcb.com  with your order number clearly referenced in the subject line. If you have any questions or need assistance, feel free to contact us. We look forward to working on your project!