Chimicron is an independent distributor of electronic components. We have reliable sources of electronic components, only sell new & original products and offer 1 year warranty for our products. Buy the QSBT40-7-F Zetex Semiconductors (Diodes Inc.) at chimicron.com. We have 40000 pieces of QSBT40-7-F in stock available now. Submit an inquiry for QSBT40-7-F or send an email to [email protected], we will contact you in 24 hours.