3.4 +0.3 -0.1 0.4 ? 0.1 |? 1 .5 ? 0.1 cathode indification features ? for general purpose applications ? these diodes feature very low turn-on voltage and fast switching.these devices are protected by a pn junction guard ring against excessive voltage, such as electrostatic discharges. ? these diodes are also available in the do-35 case with type designations bat42 to bat43 and in the sod-123 case with type designations bat42w to bat43w mechanical data ? case: mini-melf,glass case ? polarity: color band denotes cathode ? weight: 0.031 grams maximum ratings and electrical characteristics ratings at 25 ?? ambient temperature unless otherwise specified. maximum ratings units peak reverse voltage v rrm v forward continuous current i f m a surge forward current at t p =10 ms i fsm a power dissipation p tot mw thermal resistance junction to ambient air r ja ?? /w junction temperature t j ?? storage temperature range t stg ?? voltage : 30 v 30 mini-melf small signal schottky diodes ll42/LL43 200 1) 4.0 1) 0.3 1) 200 1) bl galaxy electrical ll42/LL43 125 1) valid provided that electrodes are kept at ambient temperature. -55 --- + 150 document number 0265013 blgalaxy electrical 1. www.galaxycn.com dimensions in millimeters
units reverse breakdown voltage at i r =100 p a forward voltage pulse test tp=300 p s, ? 2% @i f =200ma @i f =10ma ll42 @i f =50ma ll42 @i f =2ma LL43 @i f =15ma LL43 leakage current pulse test t p ? 300 p s, ? 2% @v r =25v @v r =25v,t j =100 ?? junction capacitance at v r =1v f=1mh z c j pf reverse recovery time t rr ns rectification efficiency ? ?
.2 tj=25 f=1mhz .1 . 4 1.0 2 4 10 20 40 100 30 40 1 2 4 10 20 100 0 0.2 0.4 0.6 0.8 1.0 1 2 6 4 10 20 40 100 200 1000 t j =25 pulse width=300 bl galaxy electrical www.galaxycn.com document number 0265013 3. mill amperes amperes mill amperes junction capacitance,pf fig.4--peak junction capacitance average forward current fig.2 --peak forward surge current fig.1 --forward derating curve instantaneous forward voltage,volts reverse voltage,volts fig.3--typical forward characteristic peak forward surge current instantaneous forward current ll42- - -LL43 ambient temperature, ratings and characteristic curves number of cycles at 60 hz 200 250 200 150 100 50 50 100 150 0 0 LL43 ll 42
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