Topsil is a full-line supplier of high-quality FZ and CZ silicon.

FZ - NTD
Neutron Transmutation Doped Float Zone silicon wafers for reliable high power devices
For the most demanding components
More power, higher voltage, lower loss
Accurate control of electrical parameters

FZ - PFZ
Preferred Float Zone silicon wafers for leading edge power devices
Products according to customer specifications Optimised for wafer utilisation, volume production and high yield
Superior control of electrical parameters

FZ - PV
PV-FZ™ wafers bring more power to your solar cells
High efficiency
Uniformity
No degradation
Long durability

CZ – EPI
Advanced Epitaxial wafers for low and medium power devices
Leading edge propriety CZ and Epi technology
Wafers with tight control of mechanical and electrical parameters
Flexible ordering, production volumes and short lead time

 See full application range.