3.4 +0.3 -0.1 0.4 ? 0.1 |? 1 .5 ? 0.1 cathode indification ? 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 ? 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 ll42/LL43 200 1) 4.0 1) 0.3 1) 200 1) 125 1) valid provided that electrodes are kept at ambient temperature. -55 --- + 150 dimensions in millimeters ll 42/LL43 small signal schottky diode s features m echani cal d ata http://www.luguang.cn mail:lge@luguang.cn
units reverse breakdown voltage at i r =100 a forward voltage pulse test tp=300 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 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 v% 2) i f =10ma,i r =10ma,i rr =1ma,r l =100? 3) r l =15k? ,c l =300pf,f=45mhz,v rf =2v -- 5 2) 80 3) -- v 0.33 - 0.5 100 -- - 0.65 - 0.45 v i r a v (br) 30 - - v f - 1.0 electrical characteristics - 7.0 -- - - - -- - 0.40 min typ max - ll 42/LL43 small signal schottky diode s http://www.luguang.cn mail:lge@luguang.cn
.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 s 1.2 1.4 0 1 100 3 t j =125 8.3ms single half sine-wave 2 1 4 5 10 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 ambient temperature, number of cycles at 60 hz 200 250 200 150 100 50 50 100 150 0 0 LL43 ll 42 ratings and charactieristic curves ll 42/LL43 small signal schottky diode s http://www.luguang.cn mail:lge@luguang.cn
|
