- 46 - .062(1.58) .050(1.27) .012(.31) .006(.15) .008(.20) .004(.10) .056(1.41) .035(0.90) .187(4.75) .160(4.06) .210(5.33) .195(4.95) .111(2.83) .090(2.29) .103(2.61) .078(1.99) skl32a thru SKLL34A 3.0 amps. surface mount schottky barrier rectifiers voltage range 20 to 40 volts current 3.0 amperes features for surface mounted application metal to silicon rectifier, majority carrier conduction low forward voltage drop easy pick and place high surge current capability plastic material used carriers underwriters laboratory classification 94v-0 epitaxial construction high temperature soldering: 260 o c / 10 seconds at terminals mechanical data case: molded plastic terminals: solder plated polarity: indicated by cathode band packaging: 16mm tape per eia std rs-481 weight: 0.21 gram sma/do-214ac dimensions in inches and (millimeters) maximum ratings and electrical characteristics rating at 25 ambient temperature unless otherwise specified. single phase, half wave, 60 hz, resistive or inductive load. for capacitive load, derate current by 20% type number symbol skl 32a skll 32a skl 34a skll 34a units marking code sl32a sll32a sl34a sll34a maximum recurrent peak reverse voltage v rrm 20 20 40 40 v maximum rms voltage v rms 14 14 28 28 v maximum dc blocking voltage v dc 20 20 40 40 v maximum average forward rectified current at t l (see fig. 1) i (av) 3.0 a peak forward surge current, 8.3 ms single half sine-wave superimposed on rated load (jedec method ) i fsm 90 a maximum instantaneous forward voltage @ 3.0a v f 0.42 0.38 0.45 0.40 v maximum dc reverse current @ t a =25 at rated dc blocking voltage @ t a =80 i r 1.5 60 ma ma operating temperature range t j - 25 to +125 storage temperature range t stg -50 to +125 notes : 1. measured on p.c.board with 0.2 x 0.2? (5 x 5mm) copper pad areas
-47- ratings and characteristic curves (skl32a thru ) SKLL34A fig.2- maximum non-repetitive forward surge current peak for ward surge current . (a) number of cycles at 60hz fig.1- typical forward current derating curve average for ward current . (a) ambient temperature. ( c) o fig.4- typical reverse characteristics reverse leakage current . (ma) percent of rated peak reverse voltage. (%) 3.8 3.0 2.4 1.8 1.2 0.8 0 20 40 60 80 100 120 140 160 180 200 fig.3- typical junction capacitance junction cap acitance.(pf) reverse voltage. (v) 700 600 500 400 300 200 100 0 .01 .05 .1 .5 1 5 10 50 100 0 .01 20 40 60 80 100 120 140 .1 1.0 10 100 0 1 5 10 50 100 20 40 60 80 100 tj=75 c 0 tj=25 c 0 8.3ms single half sine wave jedec method tj=25 c 0
-48- fig.8- typical forward characteristics (for SKLL34A) milliamperes reverse current . (ma) 1e+03 forward voltage. (millivolts) 1e+02 1e+01 1e+00 600 500 400 300 200 100 0 fig.5- typical forward characteristics (for skl32a) milliamperes reverse current . (ma) 1e+03 forward voltage. (millivolts) 1e+02 1e+01 1e+00 500 400 300 200 100 0 fig.7- typical forward characteristics (for skl34a) milliamperes reverse current . (ma) 1e+03 forward voltage. (millivolts) 1e+02 1e+01 1e+00 1e-01 600 500 400 300 200 100 0 fig.6- typical forward characteristics (for skll32a) milliamperes reverse current . (ma) 1e+03 forward voltage. (millivolts) 1e+02 1e+01 1e+00 600 500 400 300 200 100 0 ratings and characteristic curves (skl32a thru ) SKLL34A tj=125 c 0 tj=25 c 0 tj=100 c 0 tj=25 c 0 tj=100 c 0 tj=25 c 0 tj=125 c 0 tj=25 c 0
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