Buy, Sell & Research Semiconductor Components

Commission-free marketplace with real pricing history since 2011
Search full part numbers like 0100-20003 or partial numbers like 0010
Find parts starting with specific patterns like 0010 to see all 0010 variants
Use descriptive words like power supply, pcb, or capacitor

The Semiconductor Industry's Research Platform

Since 2011, wSemi has been continuously recording pricing data, auction history, and product photos from the semiconductor marketplace. With over 15 years of historical data, we've become an essential research tool for buyers, sellers, and engineers across the electronics industry.

Our comprehensive database contains millions of data points including sold prices, active listings, product specifications, and authentic component photos. This wealth of information helps you verify parts, understand market trends, compare pricing, and make confident purchasing decisions.

For Buyers

  • Research with confidence: Access 15+ years of pricing history and authentic product photos
  • Compare markets: View sold prices, active listings, and price trends in one place
  • Direct connections: Contact sellers directly without marketplace commissions
  • Submit RFQs: Reach multiple sellers quickly with quote requests
  • Verify authenticity: Review real photos and specifications before purchasing

For Sellers

  • Commission-free: Keep 100% of your sale proceeds
  • Market intelligence: Use historical pricing data to price competitively
  • Professional listings: Showcase inventory with photos and detailed specifications
  • Direct buyer access: Communicate directly with interested buyers
  • RFQ visibility: Respond to quote requests from active buyers

Powerful Research Tools

Every search on wSemi reveals comprehensive market intelligence:

  • Price History Charts: Visualize pricing trends over time with interactive graphs
  • Market Statistics: View average prices, price ranges, sold counts, and active listings
  • Similar Parts: Discover alternative components and cross-references
  • Authentic Photos: Review actual product images from completed transactions
  • Manufacturer Data: Browse by manufacturer with organized part catalogs
  • Historical Records: Access archived listings dating back to 2011

Get Started Today

Whether you're sourcing components, selling inventory, or researching market trends, wSemi provides the tools and data you need. Create a free account to unlock additional features like listing management, RFQ submissions, and saved searches.