Welding machine

Power Modules

Thyristor Module

Thyristor Module Circuit Diagram
NK (KQ)
Current : 25A-134A
Voltage : 800V-1600V
Part number
VRRM(V)
IT(AV)/IF(AV) Tc = 85℃ (A)
ITSM Tj = 25℃, 10mS (A)
VGT 25℃, max (V)
IGT (25℃, max) (mA)
Rth(j-hs)(°C/W)
NK25KQ12B
1200
25
1000
2.0
80
0.80
Close
Open
NK45KQ12B
1200
45
1000
2.0
80
0.80
Close
Open
NK70KQ08B
800
72
1000
2.0
100
0.80
Close
Open
NK70KQ12B
1200
72
1000
2.0
100
0.80
Close
Open
NK70KQ16B
1600
72
1000
2.0
100
0.80
Close
Open
NK120KQ12
1200
134
1400
1.5
100
0.80
Close
Open
NK120KQ16
1600
134
1400
1.5
100
0.80
Close
Open
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