powerex, inc., 173 pavilion lane, youngwood, pennsylvan ia 15697 (724) 925 - 7272 pow - r - blok tm www.pwrx.com ac switch scr isolated module 1550 amps rms, up to 1800 volts revision date: 0 5 /2 9 /20 12 pa43__07 ? orderi ng information : select the complete eight - digit module part number from the table below. example: PA431807 is a 1800 volt, 700a average/scr (1550 ampere rms/switch) scr ac switch isolated pow - r - blok tm module type voltage volt s (x100) current amperes (x100) pa43 12 14 16 18 07 average current per scr description: powerex ac switch scr modules are designed for use in applications requiring phase control and isolated packaging. the modules are isolated for easy mounting with other components on a common heatsink. features: ? electrically isolated heatsinking ? compression bonded elements ? metal baseplate ? low thermal impedance for improved current capability ? ul recognized (e78240) benefits: ? no additional insulation components required ? easy installation ? no clamping components required ? reduce engineering time applications: ? transfer switches ? ac welders ? motor soft starters
powerex, inc., 173 pavilion lane, youngwood, pennsylvan ia 15697 (724) 925 - 7272 pow - r - blok tm www.pwrx.com ac switch scr isolated module 1550 amps rms, up to 1800 volts revision date: 0 5 /2 9 /20 12 pa43__07 ? absolute maximum ratings charact eristics conditions symbol units repetitive peak forward and reverse blocking voltage v drm & v rrm 1800 v non - repetitive peak blocking voltage (t < 5 msec) v rsm 1900 v rms current (ac switch, 180 o conduction) 180 ? c =74 ? ? c =78 ? 180 ? conduction, t c =82 ? c 180 ? c =86 ? t(rms) i t(rms) i t(rms) i t(rms) 1775 1665 1550 1440 a a a a average forward current per scr (180 o conduction) 180 ? c =74 ? ? c =78 ? 180 ? conduction, t c =82 ? c 180 ? c =86 ? t(av) i t(av) i t(av) i t(av) 800 750 700 650 a a a a peak one cycle surge current, non - repetitive tj = 25c, vr = 0 60 hz 50 hz i tsm i tsm 69,000 63,000 a a peak one cycle surge current, non - repetitive tj = 25c, vr = vrrm 60 hz 50 hz i tsm i tsm 46,000 42,000 a a peak one cycle surge current, non - repetitive tj = 125c, vr = 0 60 hz 50 hz i tsm i tsm 60,000 54,750 a a peak one cycle surge current, non - repetitive tj = 125c, vr = vrrm 60 hz 50 hz i tsm i tsm 40,000 36,500 a a p eak three cycle surge current, non - repetitive 60 hz, tj = 125c, vr = vrrm i tsm 32,100 a peak ten cycle surge current, non - repetitive 60 hz, tj = 125c, vr = vrrm i tsm 25,200 a i 2 t for fusing for one cycle tj = 125c, vr = vrrm 8.3 milliseconds 10 milli seconds i 2 t i 2 t 6.60 x 10 6 6.66 x 10 6 a 2 sec a 2 sec maximum rate - of - rise of on - state current, (non - repetitive) per jedec standard 397 5.2.2.6 di/dt 400 a/ ? ? j - 40 to +125 ? stg - 40 to +150 ? C C rms 4 000 v 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 suitability of use, reliabil ity, capability, of future availability of this product.
powerex, inc., 173 pavilion lane, youngwood, pennsylvan ia 15697 (724) 925 - 7272 pow - r - blok tm www.pwrx.com ac switch scr isolated module 1550 amps rms, up to 1800 volts revision date: 0 5 /2 9 /20 12 pa43__07 ? electrical characteristics, t j =25 ? c unless otherwise specified characteristics symbol test conditions min. max. units repetitive peak forward leakage current i drm up t o 1800v, t j =125 ? rrm up to 1800v, t j =125 ? fm i tm =3000a, t j =125 ? (to)1 r t1 t j = 125 ? t(av) to t(av) 0.703 0.184 v m (to)2 r t2 t j = 125 ? t(av) to i tsm 1.01 0.117 v m tm coefficients, full range t j = 125 ? tm = a+ b ln i +c i + d sqrt i a = b = c = d = 0.7999 - 4.62 e - 02 7.33 e - 05 1.10 e - 02 minimum dv/dt dv/dt exponential to 0.67v drm t j =125 ? ? gt t j =25 ? d =12v 200 ma gate trigger voltage v gt t j =25 ? d =12v 4.5 volts non - triggering gate voltage v gdm t j =125 ? d = ? v drm 0.15 volts holding current i h 300 ma peak forward gate current i gtm 4.0 amp peak reverse gate voltage v grm 5 volts maximum average gate power dissipation p gm (ave) 16 watts thermal characteristics characteri stics symbol max. units thermal resistance, junction to case r j - c per module, both conducting per junction, both conducting 0.029 0.058 ? ? j - c z j - c = k 1 (1 - exp( - t/ t 1 )) + k 2 (1 - exp( - t/ t 2 )) + k 3 (1 - exp( - t/ t 3 )) + k 4 (1 - exp( - t/ t 4 )) k 1 = 5.04 e - 04 k 2 = 2.31 e - 03 k 3 = 2.83 e - 0 3 k 4 =5.24 e - 02 t 1 = 2.47 e - 03 t 2 = 4.42 e - 02 t 3 = 1.370 t 4 = 9.668 thermal resistance, case to sink lubricated r c - s per module 0.009 ?
powerex, inc., 173 pavilion lane, youngwood, pennsylvan ia 15697 (724) 925 - 7272 pow - r - blok tm www.pwrx.com ac switch scr isolated module 1550 amps rms, up to 1800 volts revision date: 0 5 /2 9 /20 12 pa43__07 ? maximum transient thermal impedance 0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.001 0.01 0.1 1 10 100 time - t - seconds thermal impedance - rjc - c/w (junction to case) typical on-state forward voltage drop 0 0.5 1 1.5 2 2.5 3 10 100 1000 10000 instantaneous on-state current - itm - amperes on-state voltage - vtm - volts (tj = 125c) 0 180 360 conduction angle maximum allowable case temperature 270 180 120 90 60 30 15 360 50 60 70 80 90 100 110 120 130 0 200 400 600 800 1000 1200 1400 average on-state current - it(av) - amperes max. case temperature - tcase -c_ (rectangular waveform) 0 180 360 conduction angle maximum allowable case temperature 120 90 60 30 15 180 70 80 90 100 110 120 130 0 100 200 300 400 500 600 700 800 average on-state current - it(av) - amperes max. case temperature - tcase -c_ (sinusoidal waveform) 0 180 360 conduction angle maximum on-state power dissipation 15 30 60 90 120 180 0 100 200 300 400 500 600 700 800 900 1000 0 100 200 300 400 500 600 700 800 average on-state current - it(av) - amperes max. power dissipation per scr - watts_ (sinusoidal waveform) 0 180 360 conduction angle maximum on-state power dissipation 360 15 270 180 120 30 60 90 0 200 400 600 800 1000 1200 1400 0 200 400 600 800 1000 1200 1400 average on-state current - it(av) - amperes max. power dissipation per scr - watts_ (rectangular waveform)
powerex, inc., 173 pavilion lane, youngwood, pennsylvan ia 15697 (724) 925 - 7272 pow - r - blok tm www.pwrx.com ac switch scr isolated module 1550 amps rms, up to 1800 volts revision date: 0 5 /2 9 /20 12 pa43__07 ?
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