t8kc__3203 phase control thyristo r powerex, inc., 200 hillis street, youngwood, pennsylvania 15697-1800 (724)925-7272 325 amperes 6500 volts features: low on-state voltage high di/dt capability high dv/dt capability hermetic ceramic package excellent surge and i 2 t ratings applications: dc power supplies ordering information motor controls ac soft-starters select the complete 12 digit part number using the table below. example: t8k7653203dh is a 6500v-325a scr with 200ma igt and 12 inch gate and cathode potential leads. part voltage rating voltage code current rating current code turn-off gate leads v drm -v rrm i tavg tq i gt t8kc 6500 65 325 32 0 3 dh 6200 62 6000 60 500us 200ma 12" (typ.) (max) revised: 7/20/2004 the t8kc is a high voltage, high current disc pack scr employing a high di/dt gate structure. this gate design allows the scr to be reliably operated at high di/dt and dv/dt conditions in various phase control applications. page 1
t8kc__3203 phase control thyristo r powerex, inc., 200 hillis street, youngwood, pennsylvania 15697-1800 (724)925-7272 325 amperes 6500 volts absolute maximum ratings characteristic symbol rating units repetitive peak voltage v drm -v rrm 6500 volts average on-state current, t c =70c i t(avg.) 325 a rms on-state current, t c =70c i t(rms) 511 a average on-state current, t c =55c i t(avg.) 375 a rms on-state current, t c =55c i t(rms) 589 a peak one cycle surge current, 60hz, v r =0v i tsm 4,500 a peak one cycle surge current, 50hz, v r =0v i tsm 4,243 a fuse coordination i 2 t, 60hz i 2 t 8.44e+04 a 2 s fuse coordination i 2 t, 50hz i 2 t 9.00e+04 a 2 s critical rate-of-rise of on-state current di/dt 100 a/us repetitive .67?vdrm critical rate-of-rise of on-state current di/dt 200 a/us non-repetitive .67?vdrm peak gate power, 100us p gm 16 watts average gate power p g(avg) 5 watts operating temperature tj -40 to+125 c storage temperature t stg. -50 to+150 c approximate weight 0.6 lb 0.27 kg mounting force 3000-3500 lbs 13.3 - 15.5 knewtons the information on this datasheet is based upon powerex testing and projected ratings and is subject to change without notice. powerex makes no implicit or explicit claim to reliability, capability, performance or suitability of this product for a users application. powerex makes no guarantee of future availability of this product. page 2
t8kc__3203 phase control thyristo r powerex, inc., 200 hillis street, youngwood, pennsylvania 15697-1800 (724)925-7272 325 amperes 6500 volts electrical characteristics, tj=25c unless otherwise specified rating characteristic symbol test conditions min typ max units repetitive peak forward leakage current i drm tj=125c, v drm =rated 70 100 ma repetitive peak reverse leakage current i rrm tj=125c, v rrm =rated 70 100 ma 5% 50% 95% 30 45 65 ma peak on-state voltage v tm tj=125c, i tm =1000a 4.40 v v tm model, low level v 0 tj=125c 1.1698667 v vtm = v o + r? i tm r 15% i tm - ?i tm 3.26e-03 ? v tm model, high level v 0 tj=125c 1.8617225 v vtm = v o + r? i tm r ?i tm - i tsm 2.68e-03 ? v tm model, 4-term a tj=125c 0.246 v tm = a + b?ln(i tm ) + b 15%i tm - i tsm 0.170 c?(i tm ) + d?(i tm ) ? c 2.56e-03 d 1.27e-02 turn-on delay time t d v d = 0.5?v drm 2.0 2.5 us gate drive: 40v - 20 ? turn-off time tq tj=125c 450 600 us dv/dt = 20v/us to 67% v drm reverse recovery current i r(rec) tj=125c 600a -10a/us 90 a reverse recovery charge q rr 1230 ucoul 5% 50% 95% 75 85 95 a dv/dt (crit) dv/dt tj=125c exp. waveform 1000 >2000 v/us v d =67% rated gate trigger current i gt tj=25c v d = 12v 30 100 200 ma gate trigger voltage v gt 0.8 1.5 3.0 v peak reverse gate voltage v grm 5v thermal characteristics rating characteristic symbol test conditions min typ max units thermal resistance junction to case r jc double side cooled 0.038 0.042 c/watt case to sink r cs double side cooled 0.007 0.0085 c/watt thermal impedance model z jc double side cooled z jc (t) = (a( n )?(1-exp(-t / tau ( n )))) where: n = 123 4 a(n ) = 3.68e-03 9.85e-03 1.68e-02 1.12e-02 t au(n) = 9.55e-04 4.49e-02 6.87e-01 6.00e+00 tj=125c, voltage=rated reverse recovery current distribution i r ( rec ) tj=125c 600a -10a/us i drm - i rrm repetitive peak leakage current distribution page 3
t8kc__3203 phase control thyristo r powerex, inc., 200 hillis street, youngwood, pennsylvania 15697-1800 (724)925-7272 325 amperes 6500 volts maximum on-state voltage drop 0.0 2.0 4.0 6.0 8.0 10.0 100 1000 10000 itm (a) vtm (v) tj = 125c maximum transient thermal impedance 0e+00 1e-02 2e-02 3e-02 4e-02 5e-02 0.001 0.01 0.1 1 10 100 time (sec) thermal impedance (c/watt) maximum on-state power dissipation 0 500 1000 1500 2000 0 100 200 300 400 500 iavg (a) pavg (watts) sinusoidal waveform 60 90 120 180 0 180 360 conduction angle maximum allowable case temperature 60 70 80 90 100 110 120 130 0 100 200 300 400 500 iavg (a) tc (c) sinusoidal waveform 60 90 120 180 0 180 360 conduction angle maximum on-state power dissipation 0 500 1000 1500 2000 0 150 300 450 600 iavg (a) pavg (watts) square waveform 60 90 120 180 0 180 360 conduction angle 360 maximum allowable case temperature 60 70 80 90 100 110 120 130 0 150 300 450 600 iavg (a) tc (c) s q uare waveform 60 90 120 180 0 180 360 conduction angle 360 page 4
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