BUILD BETTER PRODUCTS FASTER

Access FREE symbols, footprints, and 3D models from the World’s Largest CAD Library

example searches: pressure sensor, MAX17690ATE+T, or 1mm Connector
Intelligent Reference Designs

Explore our library of popular reference designs in native CAD formats

Featured Products From Our Partners

INNOVATION. NOT PART CREATION

ULTRA LIBRARIAN

GET SYMBOLS, FOOTPRINTS, AND 3D MODELS FOR YOUR CAD TOOL

THE BROADEST CAD TOOL SUPPORT IN THE INDUSTRY

Don’t see yours? Check out the full list here.

CAD Formats Supported
0
Parts Added Per Month
0 K
Available CAD Models
0 M+

ULTRA LIBRARIAN DOWNLOAD FEEDS

THOUSANDS OF MODELS DOWNLOADED EVERY DAY

Recently Downloaded Parts

Littelfuse Inc
Littelfuse Inc
TE Connectivity
TE Connectivity
Texas Instruments
onsemi
On Shore Technology

Top Downloaded Parts

Texas Instruments
STMicroelectronics
STMicroelectronics
TDK InvenSense
Alpha and Omega Semiconductor
Diodes Inc
Bosch Sensortec

FIND PARTS FROM OVER 2,500 MANUFACTURERS

BROWSE PARTS FROM YOUR FAVORITE MANUFACTURERS

Check out all manufacturers here.

high quality models

BUILT TO THE HIGHEST STANDARDS

Symbol Icon
Symbol

ANSI Y32.2-1975 (reaffirmed 1989)

Footprint icon
Footprint

IPC-7351B

3D Model Icon
3D Model

ISO 10303-21

available in multiple cad formats

reference designs

Ultra Librarian now offers ready-to-use reference designs available for download in multiple CAD formats.

Jumpstart your design and see components in action without spending time recreating the design from PDF or sourcing the components.
POE POWERED DEVICE AND 12V/600MA NO-OPTO FLYBACK DC-DC CONVERTER USING THE MAX17690 AND MAX5969B
The STEVAL-ISA172V2 is a 2 kW fully digital switch mode AC-DC converter consisting of two power sections: a two phase interleaved power factor corrector (PFC) and a DC-DC phaseshifted full-bridge converter
Two-device mmWave cascade reference design for automotive 4D imaging radar

Browse reference designs here.

Engineers

Speed up the design process with over 16 million FREE CAD models.

Manufacturers

Don’t see your models in our library? Contact us today.

the pcb design, assembly, and trends blog

RELATED CONTENT