rbk8_ _25xx general purpose rectifier diode powerex, inc., 173 pavilion ln, youngw ood, pa 15697-1800 (724)925- 7272 www. pwrx.com 2500 amperes 6500 volts powerex general purpose rectifier diodes are designed with high locki ng 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. 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: rbk86525xxoo is a 6500v-2500a general purpose diode with a typical reverse recovery time of 35s. part voltage rating voltage code current rating current code reverse recovery lead code v drm -v rrm i tavg t rr rbk8 6500 65 2500 25 xx oo 6000 60 5600 56 35s typical revised: 6/12/2008 page 1
rbk8_ _25xx general purpose rectifier diode powerex, inc., 173 pavilion ln, youngw ood, pa 15697-1800 (724)925- 7272 www. pwrx.com 2500 amperes 6500 volts absolute maximum ratings characteristic symbol rating units repetitive peak reverse voltage v rrm 6500 volts average on-state current, t c =85c i f(avg.) 2500 a rms on-state current, t c =85c i f(rms) 3927 a average on-state current, t c =55c i f(avg.) 3200 a rms on-state current, t c =55c i f(rms) 5027 a peak one cycle surge current, 60hz, v r =0.6*v rrm i fsm 50,000 a fuse coordination i 2 t, 60hz i 2 t 1.04e+07 a 2 s peak one cycle surge current, 50hz, v r =0v i fsm 61,000 a fuse coordination i 2 t, 50hz i 2 t 1.86e+07 a 2 s operating temperature tj -40 to+150 c storage temperature t stg. -50 to+200 c approximate weight 2.5 lb 1.13 kg mounting force 6,000 - 10,000 lbs 26.6 - 44.4 knewtons information presented is based upon limited testing or 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
rbk8_ _25xx general purpose rectifier diode powerex, inc., 173 pavilion ln, youngw ood, pa 15697-1800 (724)925- 7272 www. pwrx.com 2500 amperes 6500 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=150c, v rrm =rated 100 150 ma peak on-state voltage v fm tj=25c, i fm =3000a 1.55 v v fm model, low level v 0 tj=150c 0.79 v vfm = v o + r? i fm r 15% i fm - ?i fm 0.238 m ? v fm model, high level v 0 tj=150c 1.47 v vfm = v o + r? i fm r ?i fm - i fsm 0.151 m ? v fm model, 4-term a tj=150c 0.509 v fm = a + b?ln(i fm ) + b 15%i fm - i fsm 0.0019 c?(i fm ) + d?(i fm ) ? c 1.100e-04 d 0.01289 reverse recovery time t rr tj=25c, i fm =2000a 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 0.010 0.0115 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 = 12 3 4 a(n ) = 1.02e-05 8.79e-04 4.15e-03 6.43e-03 t au(n) = 5.86e-04 1.41e-02 1.81e-01 1.21e+00 page 3
rbk8_ _25xx general purpose rectifier diode powerex, inc., 173 pavilion ln, youngw ood, pa 15697-1800 (724)925- 7272 www. pwrx.com 2500 amperes 6500 volts 0.0e+00 2.0e-03 4.0e-03 6.0e-03 8.0e-03 1.0e-02 1.2e-02 1.4e-02 0.01 0.1 1 10 thermal impedance (c/watt) time (sec) maximum transient thermal impedance 0.50 0.75 1.00 1.25 1.50 1.75 2.00 2.25 2.50 2.75 3.00 100 1000 10000 vfm (v) ifm (a) maximum on-state voltage drop tj = 150c 5000 6000 w atts) maximum on-state power dissipation 30 90 180 sine wave 140 150 160 (c) maximum allowable case temperature sine wave 0 1000 2000 3000 4000 0 500 1000 1500 2000 2500 3000 power dissipation ( w average on-state current (a) 0 180 360 conduction angle 30 60 70 80 90 100 110 120 130 0 500 1000 1500 2000 2500 3000 case temperature average on-state current (a) 0 180 360 conduction angle 30 90 180 0 2000 4000 6000 8000 10000 12000 0 1000 2000 3000 4000 power dissipation (watts) average on-state current (a) maximum on-state power dissipation 60 1 180 square wave 120 360 0 180 360 conduction angle 60 70 80 90 100 110 120 130 140 150 160 0 1000 2000 3000 4000 case temperature (c) average on-state current (a) maximum allowable case temperature 60 120 180 square wave 0 180 360 conduction angle 360 page 4
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