VDRM VRSM VRRM
IRMS1) (Volw = 4 l/min., Tw = 40 °C, ED = 50 %, n = 10)
V
280 A
580 A
1200
SKIW 250/12
SKIW 500/12
1400
SKIW 250/14
SKIW 500/14
1600
SKIW 250/16
SKIW 500/16
Symbol Conditions IRMS ITSM
1)
i2t
Volw = 4 l/min, Tw = 40 °C, ED =100 % Tvj = 40 °C; 10 ms Tvj = 125 °C; 10 ms Tvj = 40 °C; 8,3 ... 10 ms Tvj = 125 °C; 8,3 ... 10 ms
(di/dt)cr (dv/dt)cr tq IH IL
f = 50 . . . 60 Hz Tvj = 125 °C Tvj = 125 °C; typ. Tvj = 25 °C Tvj = 25 °C; RG = 33 Ω
VT
Tvj = 25 °C; (IT = . . .); max.
VT(TO) rT
Tvj = 125 °C Tvj = 125 °C
VGT IGT VGD IGD
Tvj = 25 °C Tvj = 25 °C Tvj = 125 °C Tvj = 125 °C
Rthjw Tvj Tstg VISOL M2 pw w
Volw = 4 l/min max. min. . . . max. a.c. 50 Hz; r.m.s.; 1 min SI units / US units max.
Case 1)
SKIW 250
SKIW 500
250 A 1700 A 1500 A 14 500 A2s 11 000 A2s
500 A 4000 A 3400 A 80 000 A2s 58 000 A2s
125 A/ µs 200 V/ µs 150 µs 200 mA 600 mA 2,25 V (300 A) 1,2 V 4 mΩ
1,75 V (500 A) 1,0 V 1,5 mΩ
3V 200 mA 0,25 V 10 mA 0,35 °C/W 0,20 °C/W 125 °C 5 . . . 85 °C 2500 V∼ 20 Nm / 180 lb. in. 10 bar 1,3 kg
Antiparallel Thyristors with Isolated Water Flow SKIW 250 SKIW 500
Features • Compact units containing two high current thyristors connected in antiparallel • Internal insulation between thyristors and cooling media via aluminium oxyde (Al2O3) • All plastic material used carries Underwriters Laboratories flammability classification 94V-0 Typical Applications • Large resistance welding equipment • Large electroplating equipment
C1
For Volw = 2 l/min and Tw = 30 °C the same IRMS values apply
© by SEMIKRON
B4–3
B4–4
© by SEMIKRON
© by SEMIKRON
B4–5
B4–6
© by SEMIKRON