sk12-lfr thru sk110-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 1a surface mount schottky barrier rectifiers sk12-lfr thru sk110-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: 250 c /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 induc tive load. for capacitive load, derate current by 20% ratings symbol sk12-lf r sk13-lf r sk14-lf r sk15-lf r sk16-lf r sk18-lf r sk110-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 (note 1) i o 1.0 a maximum overload surge 8.3ms single half sine-wave i fsm 25 a typical thermal resistance (note 2) r jl 35 /w typical thermal resistance (note 2) r ja 95 /w 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 sk12-lf r sk13-lf r sk14-lf r sk15-lf r sk16-lf r sk18-lf r sk110-lf r units maximum forward voltage at 1.0a and 25 (note 1) v f 0.55 0.70 0.85 v maximum reverse current at 25 (note 1) i r 0.5 ma maximum reverse current at 100 (note 1) i r 20.0 ma marking sk12 sk13 sk14 sk15 sk16 sk18 k110 ma note: 1. pulse test : 300 s pulse width , 1% duty cycle 2. p.c.b. mounted 0.55?0.55 ?(14x14 mm ) 0.013mm thick copper pad areas .165(4.2) .150(3.8) .189(4.8) .165(4.2) .04(1.0) typ .110(2.8) .087(2.2) cathode .071(1.8) .055(1.4) .012(0.3) typ .220(5.58) ref .052(1.32) min .08(2.03) min soldering pad .094(2.38) max
sk12-lfr thru sk110-lfr page: 2 ratings and characteristic curve sk12-lfr thru sk110-lfr instantaneous reverse current, milliamperes 0 20 40 60 80 100 120 140 percent of rated peak reverse voltage, (%) fig. 3 - typical reverse characteristics 100 10 1.0 .10 .01 .001 t j =125 t j =75 t j =25 fig. 1 - forward current derating curve 1.0 .75 .50 .25 0 average forward current amperes 0 25 50 75 100 125 150 175 lead temperature, single phase half wave 60h z resistive or inductive load 3.75?(9.5mm) lead length u m non-repetitive 30 25 20 10 5 1 2 5 10 20 50 100 number of cycles at 60h z peak forward surge current ( a ) 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 t j =25 pulse width=300us 1% duty cycle sk12-lf-sk14-lf sk15-lf-sk16-lf sk18-lf-sk110-lf fig. 5 - typical junction capacitance 400 200 100 80 60 40 20 10 junction capacitance ( p f) .1 .4 1.0 4 10 40 reverse voltage (v) t j =25 0 c
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