VDRM VRSM VRRM IRMS1) (Volw = 4 l/min., Tw = 40 C, ED = 50 %, n = 10) V 850 A 1200 A 1200 SKIW 700/12 SKIW 900/12 1400 SKIW 700/14 SKIW 900/14 1600 SKIW 700/16 SKIW 900/16 Symbol Conditions IRMS1) ITSM i2t SKIW 700 SKIW 900 SKIW 900 Volw = 4 l/min, Tw = 40 C, ED =100 % 700 A 900 A Tvj = 40 C; 10 ms 7 000 A 10 000 A 6 000 A 8 500 A Tvj = 125 C; 10 ms Tvj = 40 C; 8,3 ... 10 ms 245 000 A2s 500 000 A2s Tvj = 125 C; 8,3 ... 10 ms 180 000 A2s 360 000 A2s (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 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 700 Antiparallel Thyristors with Isolated Water Flow 125 A/ s 200 V/s 150 s 200 mA 600 mA 1,65 V (500 A) 1,0 V 0,7 m 1,45 V (800 A) 1,0 V 0,5 m 3V 200 mA 0,25 V 10 mA 0,175 C/W 0,14 C/W 125 C 5 . . . 85 C 2500 V 20 Nm / 180 lb. in. 10 bar 1,3 kg Features * Compact units containing two high current thyristors connected in antiparallel * Internal insulation between thyristors and cooling media via aluminium oxyde (AlO2) * 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 (c) by SEMIKRON B4-7 B4-8 (c) by SEMIKRON (c) by SEMIKRON B4-9 B 4 - 10 (c) by SEMIKRON