We can supply BC640B/C , send us a request quote to request BC640B/C pirce and lead time.Wisdom Mobility is a professional electronic components distributor. With 10+ Million line items of available electronic components can ship in short lead-time, over 250 thousand part numbers of electronic components in stock for immediately delivery, which may include part number BC640B/C.The price and lead time for BC640B/C depending on the quantity required, availability and warehouse location.Contact us today and our sales representative will provide you price and delivery on Part BC640B/C.We look forward to working with you to establish long-term relations of cooperation