Guides for PCB, BOM and parts
Notes for engineers, startups and manufacturers who buy parts, bare boards or assembly in India. Each guide is about the files and choices that decide whether a quote can be made cleanly.
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How to prepare Gerber, BOM and pick-and-place files for PCB assembly in India
What belongs in a Gerber zip, a BOM and a pick-and-place file so PCB assembly in India can start without another round of file corrections.
Read this guidePCB vs PCBA vs SMT stencil: what to order and when
Bare PCB, SMT stencil or assembled PCBA: what each order includes, which files to send, and when a startup in India should buy which.
Read this guideHow to find alternatives for out-of-stock electronic components
How to check package, footprint, pinout, voltage, tolerance and dielectric before you accept an alternate for an out-of-stock part.
Read this guideImporting electronic components to India: GST, customs and one invoice
How buying imported parts from India works: one GST invoice, what you do not file with customs, and why accounts teams prefer a single bill.
Read this guideBOM best practices: MPNs, designators, DNP parts, quantities and attrition
How to write a BOM with real manufacturer part numbers, designators, DNP lines, board quantity and a clear extra quantity for attrition.
Read this guideChoosing PCB specs: layers, thickness, copper, surface finish and solder mask
How to pick layers, thickness, copper weight, HASL or ENIG, and solder mask when you order a bare PCB for a product built in India.
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