PartTensor is a free component search tool for hardware engineers. Search by spec or MPN, get live pricing from DigiKey and Mouser at the same time, paste your BOM and get instant cost analysis, and ask AI technical questions about any part. No more switching between supplier tabs.
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Maker
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What it does:
š Smart Part Search
Search by spec in plain English ā "60V 5A MOSFET" or "3.3V 1A LDO"
Paste any MPN directly for instant lookup
17 component categories ā MOSFET, BJT, LDO, Relay, MCU, Sensor, Gate Driver and more
š° Real-Time Pricing ā DigiKey + Mouser
Both suppliers searched simultaneously
Best price auto-selected based on stock and cost
Full price breaks at every quantity
Live stock levels from both
š BOM in Seconds
Paste your BOM ā live pricing from both suppliers instantly
Save runs to projects with history
Reprice at any annual volume
Export to CSV
⦠AI That Actually Helps
Ask technical questions on any part ā "Can this handle my motor?", "What's a safer alternative?"
AI BOM risk analysis ā stock risk, cost optimization
AI-verified alternatives sourced from DigiKey, not hallucinated
Paste messy text, AI extracts the MPNs
ā Organize Your Work
Save parts with notes like "approved vendor" or "do not use"
Projects to organize BOM history
Google sign-in or email/password
Free to use ā parttensor.com