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 BU4221G-TR ROHM Semiconductor at chimicron.com. We have 570664 pieces of BU4221G-TR in stock available now. Submit an inquiry for BU4221G-TR or send an email to [email protected], we will contact you in 24 hours.