rds8__10xx general purpose rectifier diode powerex, inc., 173 pavilion ln, youngwood, pa 15697-1800 724 925-7272 www.pwrx.com 10,000 amperes 1200 volts features: low on-state voltage hermetic ceramic package excellent surge and i 2 t ratings applications: dc power supplies ordering information input rectifiers plating supplies select the complete 12 digit part number using the table below. example: RDS81210XXoo is a 1200v 10,000a general purpose diode with a typical reverse recovery time of 25s. part voltage rating voltage code current rating current code reverse recovery lead code v drm -v rrm i tavg t rr rds8 1200v 12 10000a 10 xx oo 1000v 10 800v 08 25s typical 600v 06 revised: 8/6/2012 powerex general purpose rectifier diodes are designed with high locking voltage capability and low forward voltage drop to minimize conduction losses. these are packaged in hermetic, ceramic pow - r - disc packages which can be mounted using commercially available clamps and heatsinks or fully assembled to a variety of air or water cooled heat exchangers. page 1
rds8__10xx general purpose rectifier diode powerex, inc., 173 pavilion ln, youngwood, pa 15697-1800 724 925-7272 www.pwrx.com 10,000 amperes 1200 volts absolute maximum ratings characteristic symbol rating units repetitive peak reverse voltage v rrm 1200 volts average on-state current, t c =90c i f(avg.) 10000 a rms on-state current, t c =90c i f(rms) 15708 a peak one cycle surge current, 60hz, v r =v rrm i fsm 120,000 a fuse coordination i 2 t, 60hz i 2 t 6.00e+07 a 2 s peak one cycle surge current, 50hz, v r =0v i fsm 111,000 a fuse coordination i 2 t, 50hz i 2 t 6.16e+07 a 2 s operating temperature tj -40 to+175 c storage temperature t stg. -50 to+200 c approximate weight 6.5 lb 2.95 kg mounting force 16,000 - 20,000 lbs 71.2 - 89.0 knewtons 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 for use, reliability, capability or future availability of this product. page 2
rds8__10xx general purpose rectifier diode powerex, inc., 173 pavilion ln, youngwood, pa 15697-1800 724 925-7272 www.pwrx.com 10,000 amperes 1200 volts electrical characteristics, tj=25c unless otherwise specified rating characteristic symbol test conditions min typ max units repetitive peak reverse leakage current i rrm tj=175c, v rrm =rated 150 300 ma peak on-state voltage v fm tj=175c, i fm =4000a 0.75 v v fm model, low level v 0 tj=175c 0.642 v vfm = v o + r? i fm r 15% i fm - ?i fm 2.28e-05 v fm model, high level v 0 tj=175c 0.911 v vfm = v o + r? i fm r ?i fm - i fsm 1.20e-05 v fm model, high level 4-term a tj=175c 0.410 v fm = a + b?ln(i fm ) + b 15%i fm - i fsm 0.011 c?(i fm ) + d?(i fm ) ? c 4.00e-06 d 0.00358 reverse recovery time t rr tj=25c, i fm =400a 25 s di r /dt = 25 a/s thermal characteristics rating characteristic symbol test conditions min typ max units thermal resistance junction to case r jc double side cooled 0.007 0.0075 c/watt case to sink r cs double side cooled 0.001 0.0015 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 ) = 1.426e-04 9.077e-04 2.373e-03 4.080e-03 t au(n) = 2.622e-03 2.313e-02 3.049e-01 3.600e+00 page 3
rds8__10xx general purpose rectifier diode powerex, inc., 173 pavilion ln, youngwood, pa 15697-1800 724 925-7272 www.pwrx.com 10,000 amperes 1200 volts 0.0e+00 1.0e-03 2.0e-03 3.0e-03 4.0e-03 5.0e-03 6.0e-03 7.0e-03 8.0e-03 0.01 0.1 1 10 100 thermal impedance ( c/watt) time (sec) maximum transient thermal impedance 0.50 0.75 1.00 1.25 1.50 1.75 2.00 1000 10000 100000 vfm (v) ifm (a) maximum on - state voltage drop tj = 175 c 0 2000 4000 6000 8000 10000 12000 14000 16000 0 5000 10000 15000 power dissipation (watts) average on - state current (a) maximum on - state power dissipation 30 90 180 sine wave 60 80 100 120 140 160 180 200 0 5000 10000 15000 case temperature ( c) average on - state current (a) maximum allowable case temperature 30 90 180 sine wave 0 5000 10000 15000 20000 25000 0 5000 10000 15000 20000 power dissipation (watts) average on - state current (a) maximum on - state power dissipation 60 1 180 square wave 120 360 60 80 100 120 140 160 180 200 0 5000 10000 15000 20000 case temperature ( c) average on - state current (a) maximum allowable case temperature 60 120 180 square wave 360 page 4 0 180 360 conduction angle 0 180 360 conduction angle
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