Engineering Downloads
Free templates, checklists, and guides to help you prepare better PCB assembly orders — and get your products built right the first time.
How to Generate Gerber Files Using Altium Designer
Step-by-step guide for exporting production-ready Gerber files from Altium Designer, covering layer settings, drill files, and correct naming conventions.
DownloadDFM Checklist
Design for Manufacturability checklist covering trace width, clearance, via sizing, pad geometry, solder mask requirements, and common DFM pitfalls to avoid.
DownloadBOM Template (Excel)
Standardized Bill of Materials template with required columns: MPN, manufacturer, quantity, reference designator, package, and substitution notes.
DownloadSample Pick & Place / Centroid Data
Sample centroid data file showing the correct format for SMT component placement — reference designator, X/Y coordinates, rotation, and layer.
DownloadNon-Disclosure Agreement (NDA)
Mutual non-disclosure agreement template used by Kingdta to protect customer IP, schematics, firmware, and proprietary designs.
DownloadOrder Submission Checklist
Complete checklist of files and information required to place a PCB assembly order: Gerber, BOM, pick & place, test requirements, and packaging instructions.
DownloadPCBA IPC-A-610 Testing Specifications
IPC-A-610 acceptability criteria for electronic assemblies — solder joint quality, component placement, cleanliness, and Class 2/3 inspection standards.
DownloadPCB Surface Finish Comparison Guide
HASL, ENIG, ENEPIG, OSP, Immersion Silver/Tin — pros, cons, shelf life, cost comparison, and application recommendations for each finish type.
Download