Ceramic housings for thyristor

Ceramic housings for thyristor

 

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 40 34 24
47 mm 73 67 54,5 47 24
63 mm 100 93,5 78 63 23
73 mm 109 100 81 73 24; 35
80 mm 118 109 88 80 32
etc.          
special housings          

 


News

26/06/2018 13:40

Water ceramic break

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25/06/2018 10:16

New products in portofio

   

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05/04/2018 08:04

Change in Company Name

Just a quick line to let you know the name of the company has changed to Alumina Systems s.r.o. All company details have remained the same, i.e. its registered number, banking connections, contact...

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Contact

Alumina Systems s.r.o.

Kladska 916/65
Hradec Kralove
50003
CZECH REPUBLIC


+420 495 407 549