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|
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| Ceramic housing for SCR, SR |
| SIze: |
| 1.5” |
|
| 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 |
 |
| Type |
a
O.D.Flange |
b
O.D.Ceramic |
c
I.D.ceramic |
d
O.D.Contact |
h
Total.Height |
Creepage distance |
| K(Z)T30cT |
40.9 |
40 |
31 |
25 |
25 |
≥30 |
| K(Z)T40dT |
57.3 |
53 |
41 |
34 |
35 |
≥42 |
| K(Z)T55dT-1 |
75 |
67 |
55.5 |
47 |
35 |
≥42 |
| K(Z)T55dT-2 |
73 |
67 |
55 |
47 |
35 |
≥42 |
| K(Z)T70dT |
98.8 |
89 |
70 |
62.8 |
32 |
≥42 |
| K(Z)T75dT |
101 |
93 |
77 |
65 |
34 |
≥42 |
| K(Z)T80dT |
109 |
100 |
81 |
73 |
37 |
≥42 |
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