22 corey street, melrose, massachusetts 02176 phone (781) 665-1071 fax (781) 665-7379 website: http://www.cdi-diodes.com e-mail: mail@cdi-diodes.com design data metallization: top: (anode) ....................al back: (cathode)..............au al thickness ............25,000 ? min gold thickness ........4,000 ? min chip thickness ..................10 mils tolerances: all dimensions 2 mils ? general purpose silicon diodes ? all junctions completely protected with silicon dioxide ? compatible with all wire bonding and die attach techniques except solder reflow cd483b cd485b cd486b cd645 and cd5194 thru CD5196 maximum ratings operating temperature: -65c to +175c storage temperature: -65c to +175c note 1 at 100ma (pulsed) except for cd645 which is at 400ma (pulsed) electrical characteristics @ 25c, unless otherwise specified v rm v rwm i o i o i fsm type t a =+150 ct p = 1/120 s t a =25 c v (pk) v (pk) ma ma a cd483b 80 70 200 50 2 cd485b 180 180 200 50 2 cd486b 250 225 200 50 2 cd645 270 225 400 150 5 cd5194 80 70 200 50 2 cd5195 180 180 200 50 2 CD5196 250 225 200 50 2 v f (1) i r1 at v rwm i r2 at v rm i r3 at v rwm cap type t a +25 ct a +25 ct a +150 c@v r =4v v dc na dc a adc pf cd483b 0.8 - 1.0 25 100 5 C cd485b 0.8 - 1.0 25 100 5 C cd486b 0.8 - 1.0 25 100 5 C cd645 0.8 - 1.0 50 50 25 2.0 cd5194 0.8 - 1.0 25 100 5 C cd5195 0.8 - 1.0 25 100 5 C CD5196 0.8 - 1.0 25 100 5 C 24 mils 12 mils 12 mils 24 mils
cd483b, cd485b, cd486b, cd645, cd5194 thru CD5196 .3 .4 .5 .6 .7 .8 .9 1.0 1.1 1.2 1.3 vf - forward voltage (v) figure 2 typical forward current vs forward voltage i f - forward current - (ma) 1000 100 10 1 0.1 150oc 100oc 25oc -65oc 20 40 60 80 100 120 140 percent of reverse working voltage (%) figure 3 typical reverse current vs reverse voltage i r - reverse current - ( a) 1000 100 10 1 0.1 .01 .001 150oc 100oc 25oc -65oc note : all temperatures shown on graphs are junction temperatures
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