solid state devices, inc. 14701 firestone blvd * la mirada, ca 90638 phone: (562) 404 - 4474 * fax: (562) 404 - 1773 ssdi@ssdi - power.com * www.ssdi - power.com designer?s data sheet part number/ordering information 1 / sdr95 __ __ __ __ + screening 2 / __ = not screened tx = tx level txv = txv level s = s level | | | | | + leg bend option (see figure 1) | | | | | | | + pack age m = to - 254, z = to - 254z | | | | | | | | | | + voltage 3 = 300v, 4 = 400v, 5 = 500v, 6 = 600v. SDR953M & z thru sdr956m & z 50a, 35nsec, 300 - 600 v hyper fast rectifier features : hyper fast recovery: 35nsec maximum 3 / high surge rat ing low reverse leakage current low junction capacitance hermetically sealed low profile package gold eutectic die attach available ultrasonic aluminum wire bonds higher voltages and faster recovery times available, contact factory ceramic seal for improve d hermeticity available tx, txv, and s - level screening available 2 / maximum ratings symbol value units peak repetitive reverse voltage and dc blocking voltage SDR953M & z sdr954m & z sdr955m & z sdr956m & z v rrm v rwm v r 300 400 500 600 volts averag e rectified forward current (resistive load, 60 hz sine wave, t a = 25 c) io 50 amps peak surge current 5 / (8.3 ms pulse, half sine wave, or equivalent dc) 4 / i fsm 450 amps operating & storage temperature t op & t stg - 65 to +200 oc maximum total th ermal resistance junction to case r q jc 0.7 oc/w - notes: 1/ for ordering information, price, operating curves, and availability - contact factory. 2/ screened to mil - prf - 19500. 3/ recovery conditions: i f =.5 amp, i r = 1a, i rr = .25a. 4/ pins 2 and 3 tied together. 5/ available with higher surge ratings. - to - 254 (m) - to - 254z (z) note: all specifications are subject to change without notification. scd's for these devices should be reviewed by ssdi prior to release. data sheet #: rh0029c doc
solid state devices, inc. 14701 firestone blvd * la mirada, ca 90638 phone: (562) 404 - 4474 * fax: (562) 404 - 1773 ssdi@ssdi - power.com * www.ssdi - power.com SDR953M & z thru sdr956m & z electrical cha racteristics symbol max units instantaneous forward voltage drop 4 / ( i f = 25a, pulse ) ( i f = 50a, pulse ) t a = 25 oc t a = 25 oc v f1 v f2 1.30 1.65 v dc instantaneous forward voltage drop 4 / (i f = 25adc, pulse ) t a = - 55 oc t a = 100 oc v f3 v f4 1.4 1.2 v dc reverse leakage current t a = 25 oc, rated v r , pulse t a = 100 oc, rated v r, pulse i r1 i r2 100 10 m a m a reverse recovery time ( i f =.5 amp, i r = 1a, i rr = .25a ) t a = 25 oc t rr 35 nsec junction capacitance (v r = 10v dc , t a = 25oc, f = 1mhz) c j 250 pf figure 1 - optional lead bends suffix md & zd suffix mu & zu pin assignment (to - 254 and to - 254z packages) code function pin 1 pin 2 pin 3 cathode anode anode notes: 1/ for or dering information, price, operating curves, and availability - contact factory. 2/ screened to mil - prf - 19500. 3/ recovery conditions: i f =.5 amp, i r = 1a, i rr = .25a. 4/ pins 2 and 3 tied together. 5/ avail able with higher surge ratings. to - 254 (suffix m) outline: to - 254z (suffix z) outline: note: all specifications are subject to change without notification. scd's for these devices sh ould be reviewed by ssdi prior to release. data sheet #: rh0029c doc
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