VRSM V VRRM VDRM V dv dt cr ITRMS (maximum values for continuous operation) 1000 A 1200 A V/s ITAV (sin. 180; Tcase = . . .; DSC) 640 A (58 C) 765 A (61 C) 500 400 500 SKT 491/04 D 900 800 1000 SKT 491/08 E SKT 551/08 E 1300 1200 500 1000 SKT 491/12 D SKT 491/12 E SKT 551/12 D SKT 551/12 E 1500 1400 1000 SKT 491/14 E SKT 551/14 E 1700 1600 1000 SKT 491/16 E SKT 551/16 E 1900 1800 1000 SKT 491/18 E SKT 551/18 E 2100 2000 1000 SKT 491/20 E - 2300 2200 1000 SKT 491/22 E - Symbol Conditions SKT 491 SKT 551 490 A (80 C) 550 A (85 C) sin. 180; (Tcase = . . . ), DSC ITSM 2 Tvj = 25 C Tvj = 125 C Tvj = 25 C Tvj = 125 C tgd tgr (di/dt)cr IH IL tq Tvj = 25 C; IG = 1 A; diG/dt = 1 A/s VD = 0,67 . VDRM f = 50 . . . 60 Hz Tvj = 25 C; typ./max. Tvj = 25 C; RG = 33 ; typ./max. Tvj = 125 C VT VT(TO) rT IDD, IRD Tvj = 25 C; IT = 1500 A; max. Tvj = 125 C Tvj = 125 C Tvj = 125 C; VDD = VDRM; VRD = VRRM VGT IGT VGD IGD Tvj = 25 C Tvj = 25 C Tvj = 125 C Tvj = 125 C Rthjc cont.; sin. 180; DSC/SSC rec. 120; DSC/SSC DSC/SSC 0,045 C/W 0,047/0,100 C/W 0,054/0,113 C/W 0,012/0,024 C - 40 ... + 125 C - 40 ... + 130 C SI units US units 5,2 ... 8 kN 1200 ... 1800 lbs. 105 g Rthch Tvj Tstg F w Case 8000 A 9000 A 7000 A 8000 A 2 320 000 A s 405 000 A2s 245 000 A2s 320 000 A2s typ. 1 s typ. 1 s 125 A/ s 150 mA/500 mA 500 mA/2 A typ. 50 ... 150 s 2,1 V 1,1 V 0,7 m 50 mA 1,65 V 0,925 V 0,45 m 50 mA Features * Hermetic metal/ceramic cases * Capsule packages for double sided cooling * Shallow design with single sided cooling * International standard cases * Off-state and reverse voltages up to 1800 V * Amplifying gates Typical Applications * DC motor control (e. g. for machine tools) * Controlled rectifiers (e. g. for battery charging) * AC controllers (e. g. for temperature control) 3V 250 mA 0,25 V 10 mA page B 3-32 (c) by SEMIKRON SKT 491 SKT 551 - ITAV i t Thyristors B 11 0895 B 3 - 37 B 3 - 38 (c) by SEMIKRON (c) by SEMIKRON B 3 - 39 B 3 - 40 (c) by SEMIKRON