MOSFET Handbook 2023
■In year 1995, Jiangsu JieJie Microelectronics Co., Ltd. (a.k.a. JJM) was founded as a semiconductor IDM (integrated device manufacturer) headquartered in Jiangsu province. Its operation include research & development of silicon dies, wafer manufacturing, package assemblies, and testing (manufacturing, verification, long-term qualification) of packaged devices. On March 14, 2017, JJM was listed (stock code: 300623) on the ChiNext board of Shenzhen Stock Exchange. JJM was awarded the Top 10 Enterprises for Power Semiconductor Devices in China ever since.
■Currently, the main product portfolio of JJM comprises of the following semiconductor devices: uni- & bi-directional thyristors, MOSFETs of split-gate type (SGT) and of trench type and of planar type and of super-junction type, protection devices including electro-static devices (ESDs) with low input capacitance and transient voltage suppressors (TVS) and varistors with low junction capacitance, high-voltage diodes and rectifiers, power transistors etc. Based on the revenue achieved in year 2021, JJM was ranked #1 for thyristor devices in China (replaced ~50% of the non-domestic competition) as well as #1 for thyristor devices worldwide.
■Many of the JSFET® SGT-type MOSFET devices with VBR(DSS)_Min below 200V offer performance similar to those from the tier-1 vendors across the world. Within JJM, there exist special teams comprising of experts with multi-year global working experience to take care of auto-grade products and related tasks covering: die R&D, assembly, product definition, testing, manufacturing, quality and application support. The four Product R&D Centers at Qidong, Nantong, Wuxi and Shanghai continue to bring in talents with experience on power semiconductors from all over the world. Production facilities are located at Qidong & Nantong cities of Jiangsu province, while their mission are to achieve manufacturing excellence, localization and full autonomy on all matters concerning power semiconductor devices.
■At JJM, leading processes and systems are in place to govern all key disciplines: a) ISO 9001: 2008 and IATF 16949 certification for quality management; b) ISO 14001:2004 certification for environmental management; c) ISO 45001 certification for occupational health and safety management; d) QC 080000 certification for hazardous substance management. To facilitate the global reach of customers’ products in which JJM’s products are embedded, the relevant products from JJM are UL certified (e.g. high-voltage rectifiers and TVS), RoHS and REACH complaint, whichever applicable.
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