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 ULN2429A Rochester Electronics at chimicron.com. We have 500 pieces of ULN2429A in stock available now. Submit an inquiry for ULN2429A or send an email to [email protected], we will contact you in 24 hours.