ProtoFlow Library
Symbols, footprints & 3D models
A combined, searchable library of 22,774 symbols, 15,435 footprints, and thousands of 3D models. Preview them live in your browser, download them, or open any part straight in ProtoFlow.
Components
18,013
Complete parts — a schematic symbol linked to a PCB footprint (and 3D model where available). The fastest way to drop a real part into a design.
Browse componentsSymbols
22,774
Every schematic symbol — MCUs, op-amps, regulators, connectors, logic, and more. Live preview before you place.
Browse symbolsFootprints
15,435
Every PCB land pattern — QFN, BGA, SOIC, passives, headers, connectors. Inspect pads and courtyard in the browser.
Browse footprints