- Search engine for electronic component datasheets and application notes.
- DatasheetCatalog.com is free an online datasheet source for electronic components and semiconductors from ST Sanyo KEC SONY Toshiba Motorola Texas Instruments, Panasonic, Microsemi, Maxim, Rohm, Fairchild, National Semiconductors and others
- Datasheet directory, you can search datasheet from datasheetdir,but also choose some electronic chips by category.
- DataSheet4U is a free electronic engineering tool that enables you to locate product datasheets from hundreds of electronic component manufacturers worldwide.
- Datasheet Locator is a free tool that enables you to locate product datasheets from hundreds of electronic component and semiconductors manufacturers
- CBTricks Datasheet Database, Capacitors, leds, inductors, realys, resistors, tube and diodes