Features：
Hermetic metal case with ceramic/glass insulator
Stud cathode and stud anode version
Wide current range
High surge current capability
High dynamic characteristics
Low on-state Voltage drop and switching loss
Application：
Big power transformer
Battery charges
Converters Power supplies Welder
Lighting Circuits
Motor controls
Machine tool controls
Model
VRRM
IF（AV）
Qrr
IFSM
trr
IRRM
VFM/IFM
RTH（j-hs）
Tjm
Outline
Heatsink
THS55℃
10ms
100℃
25℃
V
A
µc
KA
µs
mA
V/A
℃/W
℃
ZK20A
200-2000
20
30
0.2
2
10
2.2/60
0.15
150
S3/S4 stud
SL20A
ZK50A
50
0.9
2.2/150
0.12
S6/S11 stud
SL30A
ZK100A
100
1.4
15
2.2/300
0.1
S7/S12 stud
SL17
