, l/ nc. 20 stern ave. springfield, new jersey 07081 u.s.a. vsk series telephone: (973) 376-2922 (212)227-6005 fax: (973) 376-8960 5 amp schottky rectifiers 150c max 20 volt, -30 volt and 40 volt vrrm .450 volt vf at if = 5.0 amp very fast switching speed minimum sized, low cost epoxy encapsulation ltr. a b c d e inches .048-.052 .190-.225 .36-.s7 2.8-2.8 1.137-1.237 millimeters 1,22-1, 32 dra. 4.83-5,72 9,14-9,40 66,0-71,1 28,33-31,42 -white band on cathode end maximum ratings (at ta = 25'c unless otherwise noted) ratings dc blocking voltage working peak reverse voltage peak repetitive reverse voltage rms reverse voltage average rectified forward current (fig. 5 & 6) ambient temp. @ rated v^, rbja <; 16 c/w peak surge current (non-rep), 300^3 pulse width (fig. 4) peak surge current (non-rep), vz cycle, 60hz (bg.4) operating junction temperature storage temperature symbol vbm ? nwm v? vplhms) lo ta ittm ifsm tj tstq vsks20 20 14 vsk530 30 21 VSK540 40 28 5.0 70 65 | 60 500 250 -65 to +150' -65 to + 150 units volts volts amps ?c amps amps ?c ?c ?v?, < 0.1 vm, max. rVSK540 .400 .450 .625 10 75 units volts ma nj semi-conductors reserves the right to change test conditions, parameter limits and package dimensions without notice. information furnished b> nj semi-conductors is believed to be both accurate and reliable at the time ofgoing to press. however, nj semi-conductors assumes no responsibility for any errors or omissions discovered in its use. nj semi-conductors encourages customers to verify that datasheets are current before placinn orders. f\m ? _ f >* **
typical reverse current 1000 0 5 10 16 20 25 30 36 40 vfc instantaneous reverse voltage (volts) vsl520 vsk530 VSK540 pulse width = 300 (iaec tl = lead temp. measured .03' from rectifier body with 40 gauge thermocouple figure 1 i 10 1.0 in ikstantani p typtc j? i 1 ? ? -l ? _] i i 1 al forward vol ^xj^ ^r >^ taqe ) 0.5 1.0 1.5 v instantaneous forward voltage (volts) pulse width = 300 |tsec t. = 2etc figure 2 10000 ik 1000 i 100 s-\t u^*- acitand ^ ?m deverse volta *^^ "^x^ x, ?_ ge 1 10 100 vr, reverse voltage (volts) vsk520 vsk530 VSK540 ta = 25'c test freq = 100 khz the current flow in a schottky barrier rectifier is due to majority earner conduction and is not affected by reverse recovery transients due to stored charge and minority carrier injection as in conventional pn diodes. the schottky barrier rectifier may be considered for purposes of circuit analysis, as an ideal diode in parallel with a variable capacitance equal in value to the junction capacitance. see figure 3. figure 3
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