Jiangsu Youfeng Microelectronics Co., Ltd (YFSEMI) was established in March, 2009, mainly engaged in production of various kinds of diodes.he Company introduced a full set of advanced equipment and scientific management system from abroad. The quality of the products enjoys a good reputation in the both domestic and foreign markets. The company has passed the certifications of ISO9002, TS16949 and ISO14001, and conforms to the latest ROHS instructions.The Company has a wide variety of products with complete specifications, including Transient Voltage Suppressors(TVS), TSS, General Rectifier(STD), Fast Recovery Diode(FR), High Efficiency Rectifiers(HERUF), Super Fast Recovery Diode(SF) and Schottky Barrier Rectifier(SKY). The main encapsulation means are various, including SOD-123FL, SMA, SMB, SMC, DO-41, DO-1, DO-17, DO-27, R-6 etc. The current annual output capacity can reach 1200KK(kilokelvin). Among this, TVS 200KK TSS 20KK STD 100KK FR 60KK HER 50KK SF 90KK, SKY 600KK, and other diodes 80KK. Our products are widely used in the fields like smart electric meters, security and protection, extinguishing and protection, energy saving lamp, LED, automotive electronics etc. Since the company was established and put into production, we have received the trust and support of customers at home and abroad for a long time and we have achieved the considerable development since then. We will adhere to the idea ofprofession, Absorption and Continuous Improvement to do our best to provide new and old customers with high-quality service.