powerex, inc., 173 pavilion lane, youngwood, pennsylvania 15697 (724) 925-7272 phase control scr www.pwrx.com 900 amperes average 1800 volts revision date: 04/20/2009 t820 900a t820 900a (outline drawing) ordering information : select the complete 12 digit module part number from the table below. example: t820169004dh is a 1600v 900a phase control scr. voltage current turn-off time gate current lead type v rrm (volts) i t(av) (a) t q (sec) i gt (ma) code t820 02 through 18 200v through 1800v 90 900a 0 200 sec (typical) 4 150 ma dh 12? description: powerex silicon controlled rectifiers (scr) are designed for phase control applications. these are all-diffused, press-pak, hermetic pow-r-disc devices employing the field proven amplifying gate. features: ? low on-state voltage ? high di/dt capability ? high dv/dt capability ? hermetic packaging ? excellent surge and i 2 t ratings applications: ? power supplies ? motor control t820 900a phase control scr 900 amperes average, 1800 volts
powerex, inc., 173 pavilion lane, youngwood, pennsylvania 15697 (724) 925-7272 phase control scr www.pwrx.com 900 amperes average 1800 volts revision date: 04/20/2009 t820 900a absolute maximum ratings characteristics symbol units non-repetitive transient peak reverse blocking voltage v rsm v rrm + 100v volts rms on-state current, t c = 70c i t(rms) 1410 amperes a verage current 180 sine wave, t c = 70c i t(av) 900 amperes rms on-state current, t c = 55c i t(rms) 1725 amperes a verage current 180 sine wave, t c = 55c i t(av) 1100 amperes peak one cycle surge on-state current (non-repetitive) 60 hz i tsm 15,000 amperes peak one cycle surge on-state current (non-repetitive) 50 hz i tsm 13,700 amperes critical rate-of-rise of on-state current (non-repetitive) di/dt 400 a/ sec critical rate-of-rise of on-state current (repetitive) di/dt 150 a/ sec i 2 t (for fusing) for one cycle, 60 hz i 2 t 935,000 a 2 sec peak gate power dissipation p gm 16 watts a verage gate power dissipation p g(av) 3 watts operating temperature t j -40 to +125 c storage temperature t stg -40 to +150 c a pproximate weight 8 oz. 227 g mounting force 3000 to 3500 lb. 1360 to 1590 kg. information presented is based upon manufacturers testing and projected capabilities. this information is subject to change without notice. the manufacturer makes no claim as to the suitability of use, reliability, capability, or future availability of this product.
powerex, inc., 173 pavilion lane, youngwood, pennsylvania 15697 (724) 925-7272 phase control scr www.pwrx.com 900 amperes average 1800 volts revision date: 04/20/2009 t820 900a thermal characteristics maximum thermal resistance, double sided cooling max. units junction-to-case case-to-sink r (j-c) r ( c-s ) 0.037 0.020 c/w c/w electrical characteristics, t j =25c unless otherwise specified characteristics symbol test conditions min. typ. max. units repetitive peak reverse leakage current i rrm t j =125c, v r = v rrm 60 ma repetitive peak forward leakage current i drm t j =125c, v d = v drm 60 ma peak on-state voltage v tm i fm =1500a peak, duty cycle < 0.1 % 1.35 v threshold voltage, low-level slope resistance, low-level v (to)1 r t1 t j = 125c, i = 15%i t(av) to ? threshold voltage, high-level slope resistance, high-level v (to)2 r t2 t j = 125c, i = ? v tm coefficients, low-level t j = 125c, i = 15%i t(av) to i t(av) v tm = a+ b ln(i) +c(i) + d sqrt(i) a = b = c = d = 0.68865 -0.04011 -1.578 e-05 0.025339 v tm coefficients, high-level t j = 125c, i = i t(av) to i tsm v tm = a+ b ln(i) +c(i) + d sqrt(i) a = b = c = d = 2.6289 -0.37766 8.873 e-05 0.034055 typical turn-on time t on i t = 1000a, v d = 600 v 5 s typical turn-off time t q t j = 125c, i t = 250a, di r /dt = 50a/s reapplied dv/dt = 20 v/s linear to 80% v drm 200 s minimum critical dv/dt ? exponential to v drm dv/dt t j = 125c 300 v/ s gate trigger current i gt t j = 25c, v d = 12 v 150 ma gate trigger voltage v gt t j = 25c, v d = 12 v 3.0 v non-triggering gate voltage v gdm t j = 125c, v d = v drm 0.15 v peak forward gate current i gtm 4 a peak reverse gate voltage v grm 5 v
powerex, inc., 173 pavilion lane, youngwood, pennsylvania 15697 (724) 925-7272 phase control scr www.pwrx.com 900 amperes average 1800 volts revision date: 04/20/2009 t820 900a 0 1 2 3 4 5 10 100 1000 10000 100000 on-state voltage - vtm - volts instantaneous on-state current - itm - amperes maximum on-state forward voltage drop ( tj = 125 c ) 0 0.005 0.01 0.015 0.02 0.025 0.03 0.035 0.04 0.0001 0.001 0.01 0.1 1 10 thermal impedance - rjc - c/w time - t - seconds maximum transient thermal impedance (junction to case) 15 30 60 90 120 180 0 200 400 600 800 1000 1200 1400 1600 0 200 400 600 800 1000 maximum power dissipation per scr - watts average on-state current - it(av) - amperes maximum on-state power dissipation (sinusoidal waveform) 15 30 60 90 120 180 50 60 70 80 90 100 110 120 130 0 100 200 300 400 500 600 700 800 900 1000 max. case temperature - tcase - c average on-state current - it(av) - amperes maximum allowable case temperature (sinusoidal waveform) 15 30 60 90 120 180 270 360 0 200 400 600 800 1000 1200 1400 1600 1800 2000 0 200 400 600 800 1000 1200 1400 1600 maximum power dissipation per scr - watts average on-state current - it(av) - amperes maximum on-state power dissipation (rectangular waveform) 15 30 60 90 120 180 270 360c 40 50 60 70 80 90 100 110 120 130 0 200 400 600 800 1000 1200 1400 1600 max. case temperature - tcase - c average on-state current - it(av) - amperes maximum allowable case temperature (rectangular waveform)
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