prx c770__ fast switching thyristor powerex, inc., 173 pavilion lane, youngwood, pa 15697-1800 724-925-7272 www.pwrx.com 2100 amperes 2000 volts features: fast turn-off time high di/dt capability high dv/dt capability hermetic ceramic package excellent surge and i 2 t ratings applications: dc-ac inverters ordering information pulse power switches select the complete part number using the table below. example: prx c770pn is a 1800v - 2100a scr with 250ma igt and 12 inch gate and cathode potential leads. part voltage rating voltage code current rating turn-off gate leads v drm -v rrm i tavg tq i gt prx c770__ 2000 l 2100 60us 250ma 12" 1800 pn 1600 pm 1400 pd revised: 7/24/2012 the prx c 770 is a high voltage, high current disc pack scr employing a high di/dt, distributed gate structure to optimize turn - on speed. this gate design allows the scr to be reliably operated at high di/dt and dv/dt conditions in inverter applications to 1 khz operating frequency. page 1 of 4
prx c770__ fast switching thyristor powerex, inc., 173 pavilion lane, youngwood, pa 15697-1800 724-925-7272 www.pwrx.com 2100 amperes 2000 volts absolute maximum ratings characteristic symbol rating units repetitive peak voltage v drm -v rrm 1400 - 2000 volts average on-state current, t c =70c i t(avg.) 2100 a rms on-state current, t c =70c i t(rms) 3299 a average on-state current, t c =50c i t(avg.) 2600 a rms on-state current, t c =50c i t(rms) 4084 a peak one cycle surge current, 60hz, v r =0v i tsm 35,000 a peak one cycle surge current, 50hz, v r =0v i tsm 32,998 a fuse coordination i 2 t, 60hz i 2 t 5.10e+06 a 2 s fuse coordination i 2 t, 50hz i 2 t 5.44e+06 a 2 s critical rate-of-rise of on-state current di/dt 300 a/us repetitive .67?vdrm critical rate-of-rise of on-state current di/dt 500 a/us non-repetitive .67?vdrm peak gate power, 100us p gm 44 watts average gate power p g(avg) 12 watts operating temperature tj -40 to+125 c storage temperature t stg. -50 to+150 c approximate weight 3.5 lb 1.6 kg mounting force 9000-10000 lbs 40 - 44.5 knewtons information presented is correct to the knowledge and capabilities of the manufacturer. this information is subject to change without notice. the manufacturer makes no claim as to suitability for use, reliability, capability or future availability of this product. page 2 of 4
prx c770__ fast switching thyristor powerex, inc., 173 pavilion lane, youngwood, pa 15697-1800 724-925-7272 www.pwrx.com 2100 amperes 2000 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 150 ma repetitive peak reverse leakage current i rrm tj=125c, v rrm =rated 150 ma peak on-state voltage v tm tj=125c, i tm =2000a 1.85 v v tm model, low level v 0 tj=125c 1.271 v vtm = v o + r? i tm r 15% i tm - ?i tm 0.255 m v tm model, high level 4-term a tj=125c -1.657 v tm = a + b?ln(i tm ) + b 15%i tm - i tsm 0.527 c?(i tm ) + d?(i tm ) ? c 0.000243 d -0.02197 turn-on delay time t d v d = 0.5?v drm 2 us gate drive: 40v - 20 turn-off time tq tj=125c 60 us dv/dt = 400v/us to 80% v drm reverse recovery current i r(rec) tj=125c 1500a -10a/us a reverse recovery charge q rr ucoul dv/dt (crit) dv/dt tj=125c exp. waveform 1000 v/us v d =80% rated gate trigger current i gt tj=25c v d = 12v 30 150 250 ma gate trigger voltage v gt 0.8 2.0 4.0 v peak reverse gate voltage v grm 10 v thermal characteristics rating characteristic symbol test conditions min typ max units thermal resistance junction to case r jc double side cooled 0.009 0.010 c/watt case to sink r cs double side cooled 0.0015 0.002 c/watt thermal impedance model z jc double side cooled z jc (t) = (a( n )?(1-exp(-t/ tau ( n )))) where: n = 1 2 3 4 a(n ) = 1.13e-04 7.51e-04 3.53e-03 5.61e-03 t au(n) = 6.54e-04 1.48e-02 1.89e-01 1.20e+00 page 3 of 4
prx c770__ fast switching thyristor powerex, inc., 173 pavilion lane, youngwood, pa 15697-1800 724-925-7272 www.pwrx.com 2100 amperes 2000 volts 0.0 1.0 2.0 3.0 4.0 5.0 6.0 100 1000 10000 100000 vtm (v) itm (a) maximum on - state voltage drop tj = 125 c 0.0e+00 2.0e-03 4.0e-03 6.0e-03 8.0e-03 1.0e-02 1.2e-02 0.001 0.01 0.1 1 10 thermal impedance ( c/watt) time (sec) maximum transient thermal impedance page 4 of 4
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