- ULN da ST-Microelectronics (http://www.st.com/)
- ULN200XA - (datasheet.pdf)
- CD4007UBE - Search (datasheet.pdf)
FTPs
Distribudores Mundiais de Componentes Eletrônicos
- All American (http://www.allamerican.com/)
- Allied Electronics (http://www.alliedelec.com/)
- Arrow Electronics (http://www.arrow.com/)
- Avnet Electronics (Brazil - http://www.avnet.com.br/)
- Bisco Industries (http://www.biscoind.com/)
- The Broker Forum (http://www.brokerforum.com/)
- Brookdale Electronics (http://www.brookdale.com/)
- Carlton-Bates (http://www.carlton-bates.com/)
- Chipsource (http://www.chipsource.com/)
- Chris Electronics (http://www.chriselectronics.com/)
- Component Distributors (http://www.componentdistributors.com/)
- Datasheet Archive
- Dee Electronics
- Digikey
- Doom
- Dove Electronics
- EBV Electronik
- Echips Online
- EEM
- Electro Sonic
- Farnell Inone
- Force Electronics
- Future Electronics
- Galco Electronics
- Garret Electronics
- Gerber Electronics
- Hawk Electronics
- Heilind Electronics
- HK Inventory
- IC Source
- ILSMART
- Insight Electronics
- Jaco Electronics
- Jameco Electronics
- Mouser Electronics
- NEDCO Electronics
- Newark Electronics
- NU Horizons
- On Electronics
- Part Hunter
- Partsbase
- Parts Data Sys
- Parts Logistics
- Powell Electronics
- Quest Components (http://www.questcomp.com/)
- Rochester Electronics
- SAGER Electronics
- Source ESB
- SPOERLE
- Taitron Components
- TTI
- VAELEX
- WPI OnLine
The Electronics Manufacturing Guide