sk22-lfr thru SK210-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 2a surface mount schottky barrier rectifiers sk22-lfr thru SK210-LFR features z for surface mounted applications z low profile package z built-in strain relief z easy pick and place z plastic material used carries underwriters laboratory classification 94 v-0 z extremely low vf z majority carrier conduction z high temperature soldering: 250c/10 seconds at terminals z rohs mechanical data z case: thin sma, dimensions in inches and (millimeters) z terminals: solder plated z polarity: indicated by cathode band z weight: 0.05 grams 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 sk22-lf r sk23-lf r sk24-lf r sk25-lf r sk26-lf r sk28-lf r sk210-lf r units maximum recurrent peak reverse voltage v rrm 20 30 40 50 60 80 100 v maximum rms voltage v rms 14 21 28 35 42 56 70 v maximum dc blocking voltage v dc 20 30 40 50 60 80 100 v maximum average forward rectified current see fig.1 i o 2.0 a maximum overload surge 8.3ms single half sine-wave i fsm 50 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 sk22-lf r sk23-lf r sk24-lf r sk25-lf r sk26-lf r sk28-lf r sk210-lf r units maximum forward voltage at 2.0a ac and 25 v f 0.55 0.70 0.85 v maximum reverse current at 25 i r 0.5 ma .165(4.2) .150(3.8) .185(4.8) .177(4.4) .04(1.0) typ .110(2.8) .094(2.4) cathode .067(1.7) .060(1.5) .012(0.3) typ .220(5.58) ref .052(1.32) min .08(2.03) min soldering pad .094(2.38) max
sk22-lfr thru SK210-LFR page: 2 ratings and characteristic curve sk22-lfr thru SK210-LFR fig. 5 - maximum non-repetitive surge current 50 40 30 20 10 0 peak forward surge current, amperes 1 2 4 10 20 40 100 number of cycles at 60h z 8.3ms single half sine-wave (jedec method) sk22-lf~24-lf sk25-lf~210-lf t j =25 pulse width=300us 1% duty cycle fig.2 - typical instantaneous forward characteristics 20 10 1.0 0.1 instantaneous forward current amperes .1 .3 .5 .7 .9 1.1 1.3 1.5 1.7 1.9 2.1 instantaneous forward voltage, volts fig. 1 - forward current derating curve 2.0 1.0 0 i o -average rectified current (a) 0 20 40 60 80 100 120 140 160 180 200 single phase half wave 60h z resistive or inductive load lead temperature ( ) p.c.b mounted on 0.30.3?(8.08.0mm) copper pad areas fig. 3 - typical reverse characteristics 100 10 1.0 .10 .01 .001 instantaneous reverse current, milliamperes 0 20 40 60 80 100 120 140 percent of rated peak reverse voltage, (%) t a =75 t j =25 t a =125 sk22-lf~24-lf sk25-lf~210-lf fig. 4 - typical junction capacitance 400 200 100 80 60 40 20 10 junction capacitance, p f 0.1 0.4 1.0 4 10 40 80100 reverse voltage, volts t j = 25
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