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Ceramic housing for SCR Recitifier Diobe Ceramic housing for GTO Stud mounted construction cap series Ceramic housing for IGCT Ceramic housing for IGBT The extra thin ceramic housing Ceramic housing for SCR, SR Module backplane Special products Product Home > Product Ceramic housing for GTO SIze: 1.5" - 5" Specifications Technical Leak rate ：：≤1×10-9 Pam3/s Flatness of copper surface：≤0.005mm Parallelism between copper surfaces：≤0.03mm Concentricity between flange and copper：≤0.5mm Pull test：≥5KN/cm2 Temperature cycling：-65℃～200℃ 5circles Plating thickness：2-7μ Main material Ceramic：93.5%min AL2O3 Glaze：Color white ,T ≥14 0℃ Flange：TU1(OFHC·Cu)or Ni42Fe58 Alloy Copper contact：TU1(OFHC·Cu) Solder：Ag72Cu28 Alloy Gate tube：TU1(OFHC·Cu)or Ni42Fe58 Alloy Model Type a O.D.Flange b O.D.Ceramic c I.D.ceramic d O.D.Contact h Total.Height GT30 49.3 46 36 29.4 15.4 GT35-1 49.3 46 39 32 14.5 GT35-2 52 50.6 41.8 29.4 16 GT40-1 57.3 52.5 45.5 38 14.5 GT40-2 57.3 59 46 38 26.5 GT40-3 54.8 62.5 47 38 25.6 GT50-1 66 62 55 47 28 GT50-2 73 66.5 55 47 27.8 GT70-1 98.8 81 70 62.8 31.7 GT70-2 98.8 89 71 63 25 GT75 98.8 89 78 68 14.5 GT80 109.4 104 82.5 73 25.5 GT85 106.6 106 87 75.2 26 GT90-1 111 105 91 75 26 GT90-2 114 104 91 75 25 GT95 120 118 95 85 25.5 GT100-1 118.6 119 98 87.6 16 GT100-2 119 117 98 86 25 GT120 148.8 140 124 102 25 GT135 168 158 135 125 25