srf8-02ct-lfr thru srf8-10ct-lfr page: 1 frontier electronics corp. 667 e. cochran street, simi valley, ca 93065 tel: (805) 522-9998 fax: (805) 522-9989 e-mail: frontiersales@frontierusa.com web: http://www.frontierusa.com 8a dual schottky barrier rectifiers srf8-02ct-lfr thru srf8-10ct-lfr case : ito-220ab( srf8-xx ) , fully insulated package features mechanical data z extremely low vf z case: transfer molded z low stored charge, majority carrier conduction z leads: solderable per mil-std-202,method 208 z low power loss / high efficiency z polarity: as marked z ul 94v0 flame retardant epoxy molding compound z weight 2.05 grams z rohs maximum ratings and electrical characteristics ratings at 25 c ambient temperature unless otherwise specified single phase, half wave, 60 hz, resistive or inductive load. for capacitive load, derate current by 20% ratings symbol srf8- 02ct-lf r srf8- 03ct-lf r srf8- 04ct-lf r srf8- 045ct-lf r srf8- 05ct-lf r srf8- 06ct-lf r srf8- 07ct-lf r srf8- 08ct-lf r srf8- 09ct-lf r srf8- 10ct-lf r units maximum recurrent peak reverse voltage v rrm 20 30 40 45 50 60 70 80 90 100 v maximum rms voltage v rms 14 21 28 31 35 42 49 56 63 70 v maximum dc blocking voltage v dc 20 30 40 45 50 60 70 80 90 100 v maximum average forward rectified current see fig.1 per leg i o 8.0 4.0 a peak forward surge current, 8.3ms single half sine-wave superimposed on rated load per leg i fsm 150 a storage temperature range t stg - 55 to + 150 operating temperature range t op - 55 to + 125 electrical characteristics (a t t a =25 c unless otherwise noted) characteristics symbol srf8- 02ct-lf r srf8- 03ct-lf r srf8- 04ct-lf r srf8- 045ct-lf r srf8- 05ct-lf r srf8- 06ct-lf r srf8- 07ct-lf r srf8- 08ct-lf r srf8- 09ct-lf r srf8- 10ct-lf r units maximum forward voltage at 4.0a per leg v f 0.55 0.70 0.80 v maximum reverse current at 25 per leg (note 1) i r 5.0 ma maximum reverse current at 100 per leg (note 1) i r 50.0 ma thermal characteristics (t c =25 unless otherwise noted ) parameter symbol srf8 units typical thermal resistance junction to case per leg r jc 6.0 /w notes: 1. pulse test: 300s pulse width, 1% duty cycle millimeters min max b c d e f g h i j k l m o 9.72 6.30 14.50 13.00 - 2.41 - - - - 2.5 - 10.27 6.90 15.50 13.80 4.1 2.67 1.52 0.9 4.8 3.1 2.9 0.8 ? 3.4 c f h b d g e 1 2 3 o i pin 1 pin 3 pin 2 case j m k l
srf8-02ct-lfr thru srf8-10ct-lfr page: 2 ratings and characteristic curves of srf8-02ct-lfr and srf8-10ct-lfr fig. 3 - typical reverse characteristics 100 10 1.0 0.1 0.01 instantaneous reverse current, milliamperes 0 20 40 60 80 100 120 140 percent of rated voltage peak reverse voltage t j = 100 fig. 2 - maximum non-repetitive surge current 150 125 100 75 50 25 0 peak forward surge current, amperes 1 2 5 10 20 50 100 number of cycles at 60h z t l =75 o c 8.3ms single half sine-wave jedec method fig. 4 - typical instantaneous forward characteristics 50 10 . 1.0 0.1 instantaneous forward current amperes 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 instantaneous forward voltage, volts t j =25 pulse width=300us 2% duty cycle srf8-02ct-lf~8-045ct-lf srf8-05ct-lf ~8-06ct-lf srf8-07ct-lf ~8-10ct-lf fig. 1 - forward current derating curve 10.0 8.0 6.0 4.0 2.0 0 average forward current. amperes 0 50 100 150 case temperature,
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