Ceramic housings for GTO

Ceramic housings for GTO

           GTOs are optimized for low conduction losses.              

Specifications
Technical
  • Flatness of copper surface：≤0.005mm
  • Parallelism between copper surfaces：≤0.03mm
  • Concentricity between flange and copper：≤0.5mm
  • Leak rate：≤1×10-8 mbarl/s
  • Pull test：≥5kN/cm2
  • Temperature cycling：-65℃~200℃
  • Plating thickness：2-7μm
Main material
  • Ceramic：92%min Al2O3
  • Glaze：Color transparent
  • Flange：SE·Cu or Fe58Ni42(Alloy42) or KOVAR
  • Copper contact：OF·Cu
  • Solder：Ag72Cu28
  • Gate tube：OF·Cu(SE-Cu), Alloy42, STEEL or KOVAR
TYPE Ø D (OD flange) Ø D1 (OD ceramic) Ø d1 (ID ceramic) Ø d (OD contact) h
34 mm 57 53 42 34 15; 24
47 mm 73 67 55 47 19; 24
63 mm 99 90 70 63 24
73 mm 109 100 81 73 35
80 mm 118 109 88 80 32
etc.          
special housings          

 

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Contact

Alumina Systems s.r.o.

Kladska 916/65
Hradec Kralove
50003
CZECH REPUBLIC

+420 495 407 549