Component Search Engines
Partstat - Parts and Components Search Engine FREE - Digi-Key, Arrow, Avnet, Mouser, TTI, + others. Partstat is the largest free open-source Big Data platform for electronic components and semiconductors on the market. Partstat consists of over 9 Billion rows of current and historical data from over 3,000 manufacturers and 2,000 global authorized channel partners.
Component Search Engine - SamacSys FREE - Searches the worlds leading component suppliers and manufacturers. Unique solution to download PCB libraries, Schematic Symbols, PCB footprints & 3D Component Models.
OEMSecrets Searches Newark, Digikey, Farnell, Future, Allied, Arrow, Avnet, Element 14, TME, Microchip Direct, Verical, Conrad, Ebuyer, Chip1Stop, Mouser, TTI + others
FindChips Searches Newark, Digikey, Mouser, Farnell, Future, Allied, TTI, Arrow, Avnet, Element 14, RS Components, + others
Octopart Searches Newark, Digikey, Mouser, Farnell, Future, Allied, Avnet, Element 14, RS Components, Jameco, Nu Horizons, + others
All About Circuits Parts Search Tool They have a part search function that compiles datasheets and pricing info from various retailers, much like Octopart
Component Search Searches Newark, Digikey, Mouser, Farnell, Future, Allied, TTI, Arrow, Avnet, Element 14, RS Components, + 850 other verified suppliers
http://www.embeddeddeveloper.com/ Searches parametric data on various microcontroller manufacturers.
Power Electronics Search Searches power electronics sites content and refines results for: Datasheets, Application Notes, Reference Designs, Magazines, Research Papers, Discussions and many more.
SWATEE ELECTRONICS Huge stock of components. Ships worldwide with exceptions, $40 cheapest shipping.
ICReplacements.com Online and free search for integrated circuits, transistors, diodes, MOSFETs and other semiconductors replacements, equivalents and substitutes database.
Oemscart Oemscart is an optimized search engine for electronic components. Search, Compare and buy electronic components based on the price quotes, Datasheets, Product Change Notification (PCN, PDN and EOL) and RoHS of the components with the available inventory along with the lead time across the authorized distributors worldwide
USComponent.com USComponent is a distributor selling obsolete, hard-to-find, long lead time power transistor modules, ics, IGBT (Insulated-Gate Bipolar Transistor) and other electronic components.
everything RF Find and compare RF & Microwave Components and Test Equipment from the leading companies. Use the parametric search tool, download datasheets, get quotations and pricing.
GoPhotonics.com Parametric search tool for Laser Diodes, laser modules, laser systems, CMOS Image Sensors and other Photonics products.