Component Search Engines

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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.

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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

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.