SemiQ is a US-based designer, developer, and manufacturer of Silicon Carbide (SiC) power semiconductors for high-voltage applications. Founded in 2012 (formerly Global Power Technologies Group) and headquartered in Lake Forest, CA, SemiQ offers a portfolio of MOSFETs and diodes available in discrete, module, and bare die formats — combining high performance with industry-leading reliability.
For over a decade, SemiQ's experienced team has partnered with customers from initial concept through prototyping and production — helping design, test, and deploy high-density power solutions with exceptional engineering support.
SemiQ products are available through NAC Semi, an authorized global distributor. NAC Semi provides dedicated Field Applications Engineer (FAE) support and demand creation services — bridging technical expertise with supply chain access for customers designing next-generation power systems.
High-power SiC MOSFET modules in half-bridge and full-bridge configurations. Near-zero switching loss for traction inverters, EV charging, and industrial drives.
Shop productsSingle-chip SiC MOSFETs in standard packages. Low on-state resistance, fast switching, and wide operating temperature range for demanding designs.
Shop productsSiC Schottky diode modules with zero reverse recovery charge. Enables higher switching frequencies and significantly reduced system losses.
Shop productsDiscrete SiC Schottky diodes for power factor correction, rectification, and freewheeling applications across a range of voltage and current ratings.
Shop productsUnpackaged SiC MOSFET and diode die for custom module assembly and hybrid packaging. Near-constant junction capacitance and full wafer-level traceability.
Shop productsTraction inverters, DC-DC converters, and onboard chargers for 400V–800V EV platforms. Extends range and reduces thermal management needs.
Bidirectional power conversion in BESS systems. Minimizes charge/discharge cycle losses for grid-scale and commercial energy storage installations.
Compact, high-efficiency AC/DC and DC-DC stages for 7kW residential EVSE up to 350kW ultra-fast DC charging infrastructure.
Ultra-reliable, low-EMI power conversion for MRI, CT, surgical robotics, and patient monitoring. Meets the stringent demands of life-critical equipment.
High-frequency string and central inverters for residential and utility-scale PV. Maximizes energy harvest with SiC-enabled 3-level NPC topologies.